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CVE-2003-0138 (GCVE-0-2003-0138)
Vulnerability from cvelistv5 – Published: 2003-03-21 05:00 – Updated: 2024-08-08 01:43
VLAI?
EPSS
Summary
Version 4 of the Kerberos protocol (krb4), as used in Heimdal and other packages, allows an attacker to impersonate any principal in a realm via a chosen-plaintext attack.
Severity ?
No CVSS data available.
CWE
- n/a
Assigner
References
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Date Public ?
2003-03-17 00:00
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}
GHSA-QXPJ-M267-3648
Vulnerability from github – Published: 2022-04-29 01:25 – Updated: 2022-04-29 01:25
VLAI?
Details
Version 4 of the Kerberos protocol (krb4), as used in Heimdal and other packages, allows an attacker to impersonate any principal in a realm via a chosen-plaintext attack.
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"severity": "HIGH"
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"id": "GHSA-qxpj-m267-3648",
"modified": "2022-04-29T01:25:55Z",
"published": "2022-04-29T01:25:55Z",
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"type": "WEB",
"url": "http://web.mit.edu/kerberos/www/advisories/MITKRB5-SA-2003-004-krb4.txt"
},
{
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"url": "http://www.debian.org/security/2003/dsa-266"
},
{
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},
{
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},
{
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"url": "http://www.kb.cert.org/vuls/id/623217"
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},
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},
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}
RHSA-2003:052
Vulnerability from csaf_redhat - Published: 2003-03-27 19:43 - Updated: 2025-11-21 17:25Summary
Red Hat Security Advisory: krb5 security update
Severity
Critical
Notes
Topic: Updated kerberos packages fix a number of vulnerabilities found in MIT
Kerberos.
Details: Kerberos is a network authentication system. The MIT Kerberos team
released an advisory describing a number of vulnerabilities that affect the
kerberos packages shipped by Red Hat.
An integer signedness error in the ASN.1 decoder before version 1.2.5
allows remote attackers to cause a denial of service via a large unsigned
data element length, which is later used as a negative value. The Common
Vulnerabilities and Exposures project has assigned the name CAN-2002-0036
to this issue.
The Key Distribution Center (KDC) before version 1.2.5 allows remote,
authenticated, attackers to cause a denial of service (crash) on KDCs
within the same realm via a certain protocol request that:
- causes a null pointer dereference (CAN-2003-0058).
- causes the KDC to corrupt its heap (CAN-2003-0082).
A vulnerability in Kerberos before version 1.2.3 allows users from
one realm to impersonate users in other realms that have the same
inter-realm keys (CAN-2003-0059).
The MIT advisory for these issues also mentions format string
vulnerabilities in the logging routines (CAN-2003-0060). Previous versions
of the kerberos packages from Red Hat already contain fixes for this issue.
Vulnerabilities have been found in the implementation of support for
triple-DES keys in the implementation of the Kerberos IV authentication
protocol included in MIT Kerberos (CAN-2003-0139).
Vulnerabilities have been found in the Kerberos IV authentication protocol
which allow an attacker with knowledge of a cross-realm key that is shared
with another realm to impersonate any principal in that realm to any
service in that realm. This vulnerability can only be closed by disabling
cross-realm authentication in Kerberos IV (CAN-2003-0138).
Vulnerabilities have been found in the RPC library used by the kadmin
service in Kerberos 5. A faulty length check in the RPC library exposes
kadmind to an integer overflow which can be used to crash kadmind
(CAN-2003-0028).
All users of Kerberos are advised to upgrade to these errata packages,
which disable cross-realm authentication by default for Kerberos IV and
which contain backported patches to correct these issues.
Terms of Use: This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.
Integer signedness error in MIT Kerberos V5 ASN.1 decoder before krb5 1.2.5 allows remote attackers to cause a denial of service via a large unsigned data element length, which is later used as a negative value.
Vendor Fix
Before applying this update, make sure all previously released errata
relevant to your system have been applied.
Please note that this update is available via Red Hat Network. To use Red
Hat Network, launch the Red Hat Update Agent with the following command:
up2date
This will start an interactive process that will result in the appropriate
RPMs being upgraded on your system.
https://access.redhat.com/errata/RHSA-2003:052
Integer overflow in the xdrmem_getbytes() function, and possibly other functions, of XDR (external data representation) libraries derived from SunRPC, including libnsl, libc, glibc, and dietlibc, allows remote attackers to execute arbitrary code via certain integer values in length fields, a different vulnerability than CVE-2002-0391.
Vendor Fix
Before applying this update, make sure all previously released errata
relevant to your system have been applied.
Please note that this update is available via Red Hat Network. To use Red
Hat Network, launch the Red Hat Update Agent with the following command:
up2date
This will start an interactive process that will result in the appropriate
RPMs being upgraded on your system.
https://access.redhat.com/errata/RHSA-2003:052
MIT Kerberos V5 Key Distribution Center (KDC) before 1.2.5 allows remote authenticated attackers to cause a denial of service (crash) on KDCs within the same realm via a certain protocol request that causes a null dereference.
Vendor Fix
Before applying this update, make sure all previously released errata
relevant to your system have been applied.
Please note that this update is available via Red Hat Network. To use Red
Hat Network, launch the Red Hat Update Agent with the following command:
up2date
This will start an interactive process that will result in the appropriate
RPMs being upgraded on your system.
https://access.redhat.com/errata/RHSA-2003:052
Unknown vulnerability in the chk_trans.c of the libkrb5 library for MIT Kerberos V5 before 1.2.5 allows users from one realm to impersonate users in other realms that have the same inter-realm keys.
Vendor Fix
Before applying this update, make sure all previously released errata
relevant to your system have been applied.
Please note that this update is available via Red Hat Network. To use Red
Hat Network, launch the Red Hat Update Agent with the following command:
up2date
This will start an interactive process that will result in the appropriate
RPMs being upgraded on your system.
https://access.redhat.com/errata/RHSA-2003:052
The Key Distribution Center (KDC) in Kerberos 5 (krb5) 1.2.7 and earlier allows remote, authenticated attackers to cause a denial of service (crash) on KDCs within the same realm using a certain protocol request that causes an out-of-bounds read of an array (aka "array overrun").
Vendor Fix
Before applying this update, make sure all previously released errata
relevant to your system have been applied.
Please note that this update is available via Red Hat Network. To use Red
Hat Network, launch the Red Hat Update Agent with the following command:
up2date
This will start an interactive process that will result in the appropriate
RPMs being upgraded on your system.
https://access.redhat.com/errata/RHSA-2003:052
The Key Distribution Center (KDC) in Kerberos 5 (krb5) 1.2.7 and earlier allows remote, authenticated attackers to cause a denial of service (crash) on KDCs within the same realm using a certain protocol request that causes the KDC to corrupt its heap (aka "buffer underrun").
Vendor Fix
Before applying this update, make sure all previously released errata
relevant to your system have been applied.
Please note that this update is available via Red Hat Network. To use Red
Hat Network, launch the Red Hat Update Agent with the following command:
up2date
This will start an interactive process that will result in the appropriate
RPMs being upgraded on your system.
https://access.redhat.com/errata/RHSA-2003:052
Version 4 of the Kerberos protocol (krb4), as used in Heimdal and other packages, allows an attacker to impersonate any principal in a realm via a chosen-plaintext attack.
Vendor Fix
Before applying this update, make sure all previously released errata
relevant to your system have been applied.
Please note that this update is available via Red Hat Network. To use Red
Hat Network, launch the Red Hat Update Agent with the following command:
up2date
This will start an interactive process that will result in the appropriate
RPMs being upgraded on your system.
https://access.redhat.com/errata/RHSA-2003:052
Certain weaknesses in the implementation of version 4 of the Kerberos protocol (krb4) in the krb5 distribution, when triple-DES keys are used to key krb4 services, allow an attacker to create krb4 tickets for unauthorized principals using a cut-and-paste attack and "ticket splicing."
Vendor Fix
Before applying this update, make sure all previously released errata
relevant to your system have been applied.
Please note that this update is available via Red Hat Network. To use Red
Hat Network, launch the Red Hat Update Agent with the following command:
up2date
This will start an interactive process that will result in the appropriate
RPMs being upgraded on your system.
https://access.redhat.com/errata/RHSA-2003:052
Double free vulnerabilities in error handling code in krb524d for MIT Kerberos 5 (krb5) 1.2.8 and earlier may allow remote attackers to execute arbitrary code.
Vendor Fix
Before applying this update, make sure all previously released errata
relevant to your system have been applied.
Please note that this update is available via Red Hat Network. To use Red
Hat Network, launch the Red Hat Update Agent with the following command:
up2date
This will start an interactive process that will result in the appropriate
RPMs being upgraded on your system.
https://access.redhat.com/errata/RHSA-2003:052
References
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},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2003-0059",
"url": "https://www.cve.org/CVERecord?id=CVE-2003-0059"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2003-0059",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2003-0059"
}
],
"release_date": "2003-01-28T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2003-03-27T19:43:00+00:00",
"details": "Before applying this update, make sure all previously released errata\nrelevant to your system have been applied.\n\nPlease note that this update is available via Red Hat Network. To use Red\nHat Network, launch the Red Hat Update Agent with the following command:\n\nup2date\n\nThis will start an interactive process that will result in the appropriate\nRPMs being upgraded on your system.",
"product_ids": [
"Red Hat Enterprise Linux AS (Advanced Server) version 2.1 ",
"Red Hat Enterprise Linux ES version 2.1",
"Red Hat Enterprise Linux WS version 2.1",
"Red Hat Linux Advanced Workstation 2.1"
],
"restart_required": {
"category": "none"
},
"url": "https://access.redhat.com/errata/RHSA-2003:052"
}
],
"threats": [
{
"category": "impact",
"details": "Moderate"
}
],
"title": "security flaw"
},
{
"cve": "CVE-2003-0072",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "1616953"
}
],
"notes": [
{
"category": "description",
"text": "The Key Distribution Center (KDC) in Kerberos 5 (krb5) 1.2.7 and earlier allows remote, authenticated attackers to cause a denial of service (crash) on KDCs within the same realm using a certain protocol request that causes an out-of-bounds read of an array (aka \"array overrun\").",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "security flaw",
"title": "Vulnerability summary"
}
],
"product_status": {
"fixed": [
"Red Hat Enterprise Linux AS (Advanced Server) version 2.1 ",
"Red Hat Enterprise Linux ES version 2.1",
"Red Hat Enterprise Linux WS version 2.1",
"Red Hat Linux Advanced Workstation 2.1"
]
},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2003-0072"
},
{
"category": "external",
"summary": "RHBZ#1616953",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1616953"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2003-0072",
"url": "https://www.cve.org/CVERecord?id=CVE-2003-0072"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2003-0072",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2003-0072"
}
],
"release_date": "2003-03-19T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2003-03-27T19:43:00+00:00",
"details": "Before applying this update, make sure all previously released errata\nrelevant to your system have been applied.\n\nPlease note that this update is available via Red Hat Network. To use Red\nHat Network, launch the Red Hat Update Agent with the following command:\n\nup2date\n\nThis will start an interactive process that will result in the appropriate\nRPMs being upgraded on your system.",
"product_ids": [
"Red Hat Enterprise Linux AS (Advanced Server) version 2.1 ",
"Red Hat Enterprise Linux ES version 2.1",
"Red Hat Enterprise Linux WS version 2.1",
"Red Hat Linux Advanced Workstation 2.1"
],
"restart_required": {
"category": "none"
},
"url": "https://access.redhat.com/errata/RHSA-2003:052"
}
],
"threats": [
{
"category": "impact",
"details": "Important"
}
],
"title": "security flaw"
},
{
"cve": "CVE-2003-0082",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "1616960"
}
],
"notes": [
{
"category": "description",
"text": "The Key Distribution Center (KDC) in Kerberos 5 (krb5) 1.2.7 and earlier allows remote, authenticated attackers to cause a denial of service (crash) on KDCs within the same realm using a certain protocol request that causes the KDC to corrupt its heap (aka \"buffer underrun\").",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "security flaw",
"title": "Vulnerability summary"
}
],
"product_status": {
"fixed": [
"Red Hat Enterprise Linux AS (Advanced Server) version 2.1 ",
"Red Hat Enterprise Linux ES version 2.1",
"Red Hat Enterprise Linux WS version 2.1",
"Red Hat Linux Advanced Workstation 2.1"
]
},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2003-0082"
},
{
"category": "external",
"summary": "RHBZ#1616960",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1616960"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2003-0082",
"url": "https://www.cve.org/CVERecord?id=CVE-2003-0082"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2003-0082",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2003-0082"
}
],
"release_date": "2003-03-19T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2003-03-27T19:43:00+00:00",
"details": "Before applying this update, make sure all previously released errata\nrelevant to your system have been applied.\n\nPlease note that this update is available via Red Hat Network. To use Red\nHat Network, launch the Red Hat Update Agent with the following command:\n\nup2date\n\nThis will start an interactive process that will result in the appropriate\nRPMs being upgraded on your system.",
"product_ids": [
"Red Hat Enterprise Linux AS (Advanced Server) version 2.1 ",
"Red Hat Enterprise Linux ES version 2.1",
"Red Hat Enterprise Linux WS version 2.1",
"Red Hat Linux Advanced Workstation 2.1"
],
"restart_required": {
"category": "none"
},
"url": "https://access.redhat.com/errata/RHSA-2003:052"
}
],
"threats": [
{
"category": "impact",
"details": "Important"
}
],
"title": "security flaw"
},
{
"cve": "CVE-2003-0138",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "1616981"
}
],
"notes": [
{
"category": "description",
"text": "Version 4 of the Kerberos protocol (krb4), as used in Heimdal and other packages, allows an attacker to impersonate any principal in a realm via a chosen-plaintext attack.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "security flaw",
"title": "Vulnerability summary"
}
],
"product_status": {
"fixed": [
"Red Hat Enterprise Linux AS (Advanced Server) version 2.1 ",
"Red Hat Enterprise Linux ES version 2.1",
"Red Hat Enterprise Linux WS version 2.1",
"Red Hat Linux Advanced Workstation 2.1"
]
},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2003-0138"
},
{
"category": "external",
"summary": "RHBZ#1616981",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1616981"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2003-0138",
"url": "https://www.cve.org/CVERecord?id=CVE-2003-0138"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2003-0138",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2003-0138"
}
],
"release_date": "2003-03-19T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2003-03-27T19:43:00+00:00",
"details": "Before applying this update, make sure all previously released errata\nrelevant to your system have been applied.\n\nPlease note that this update is available via Red Hat Network. To use Red\nHat Network, launch the Red Hat Update Agent with the following command:\n\nup2date\n\nThis will start an interactive process that will result in the appropriate\nRPMs being upgraded on your system.",
"product_ids": [
"Red Hat Enterprise Linux AS (Advanced Server) version 2.1 ",
"Red Hat Enterprise Linux ES version 2.1",
"Red Hat Enterprise Linux WS version 2.1",
"Red Hat Linux Advanced Workstation 2.1"
],
"restart_required": {
"category": "none"
},
"url": "https://access.redhat.com/errata/RHSA-2003:052"
}
],
"threats": [
{
"category": "impact",
"details": "Important"
}
],
"title": "security flaw"
},
{
"cve": "CVE-2003-0139",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "1616982"
}
],
"notes": [
{
"category": "description",
"text": "Certain weaknesses in the implementation of version 4 of the Kerberos protocol (krb4) in the krb5 distribution, when triple-DES keys are used to key krb4 services, allow an attacker to create krb4 tickets for unauthorized principals using a cut-and-paste attack and \"ticket splicing.\"",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "security flaw",
"title": "Vulnerability summary"
}
],
"product_status": {
"fixed": [
"Red Hat Enterprise Linux AS (Advanced Server) version 2.1 ",
"Red Hat Enterprise Linux ES version 2.1",
"Red Hat Enterprise Linux WS version 2.1",
"Red Hat Linux Advanced Workstation 2.1"
]
},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2003-0139"
},
{
"category": "external",
"summary": "RHBZ#1616982",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1616982"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2003-0139",
"url": "https://www.cve.org/CVERecord?id=CVE-2003-0139"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2003-0139",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2003-0139"
}
],
"release_date": "2003-03-19T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2003-03-27T19:43:00+00:00",
"details": "Before applying this update, make sure all previously released errata\nrelevant to your system have been applied.\n\nPlease note that this update is available via Red Hat Network. To use Red\nHat Network, launch the Red Hat Update Agent with the following command:\n\nup2date\n\nThis will start an interactive process that will result in the appropriate\nRPMs being upgraded on your system.",
"product_ids": [
"Red Hat Enterprise Linux AS (Advanced Server) version 2.1 ",
"Red Hat Enterprise Linux ES version 2.1",
"Red Hat Enterprise Linux WS version 2.1",
"Red Hat Linux Advanced Workstation 2.1"
],
"restart_required": {
"category": "none"
},
"url": "https://access.redhat.com/errata/RHSA-2003:052"
}
],
"threats": [
{
"category": "impact",
"details": "Important"
}
],
"title": "security flaw"
},
{
"cve": "CVE-2004-0772",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "1617281"
}
],
"notes": [
{
"category": "description",
"text": "Double free vulnerabilities in error handling code in krb524d for MIT Kerberos 5 (krb5) 1.2.8 and earlier may allow remote attackers to execute arbitrary code.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "security flaw",
"title": "Vulnerability summary"
}
],
"product_status": {
"fixed": [
"Red Hat Enterprise Linux AS (Advanced Server) version 2.1 ",
"Red Hat Enterprise Linux ES version 2.1",
"Red Hat Enterprise Linux WS version 2.1",
"Red Hat Linux Advanced Workstation 2.1"
]
},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2004-0772"
},
{
"category": "external",
"summary": "RHBZ#1617281",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1617281"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2004-0772",
"url": "https://www.cve.org/CVERecord?id=CVE-2004-0772"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2004-0772",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2004-0772"
}
],
"release_date": "2003-03-27T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2003-03-27T19:43:00+00:00",
"details": "Before applying this update, make sure all previously released errata\nrelevant to your system have been applied.\n\nPlease note that this update is available via Red Hat Network. To use Red\nHat Network, launch the Red Hat Update Agent with the following command:\n\nup2date\n\nThis will start an interactive process that will result in the appropriate\nRPMs being upgraded on your system.",
"product_ids": [
"Red Hat Enterprise Linux AS (Advanced Server) version 2.1 ",
"Red Hat Enterprise Linux ES version 2.1",
"Red Hat Enterprise Linux WS version 2.1",
"Red Hat Linux Advanced Workstation 2.1"
],
"restart_required": {
"category": "none"
},
"url": "https://access.redhat.com/errata/RHSA-2003:052"
}
],
"threats": [
{
"category": "impact",
"details": "Important"
}
],
"title": "security flaw"
}
]
}
RHSA-2003:168
Vulnerability from csaf_redhat - Published: 2003-04-29 21:21 - Updated: 2025-11-21 17:26Summary
Red Hat Security Advisory: : : : Updated kerberos packages fix various vulnerabilities
Severity
Critical
Notes
Topic: Updated Kerberos packages for IBM iSeries and pSeries systems fix a number
of vulnerabilities found in MIT Kerberos.
Details: Kerberos is a network authentication system. The MIT Kerberos team
released an advisory describing a number of vulnerabilities that affect the
kerberos packages shipped by Red Hat. These vulnerabilities include:
An integer signedness error in the ASN.1 decoder before version 1.2.5
allows remote attackers to cause a denial of service (crash) via a large
unsigned data element length, which is later used as a negative value. The
Common Vulnerabilities and Exposures project has assigned the name
CAN-2002-0036 to this issue.
The Key Distribution Center (KDC) before version 1.2.5 allows remote,
authenticated attackers to cause a denial of service (crash) on KDCs within
the same realm using a certain protocol request that causes a null
dereference (CAN-2003-0058).
The Key Distribution Center (KDC) allows remote, authenticated attackers to
cause a denial of service (crash) on KDCs within the same realm using a
certain protocol request that causes an out-of-bounds read of an array
(CAN-2003-0072).
The Key Distribution Center (KDC) allows remote, authenticated attackers
to cause a denial of service (crash) on KDCs within the same realm using a
certain protocol request that causes the KDC to corrupt its heap
(CAN-2003-0082).
A vulnerability in Kerberos before version 1.2.3 allows users from one
realm to impersonate users in other realms that have the same inter-realm
keys (CAN-2003-0059).
The MIT advisory for these issues also mentions format string
vulnerabilities in the logging routines (CAN-2003-0060). Previous versions
of the kerberos packages from Red Hat already contain fixes for this issue.
Vulnerabilities have been found in the support for triple-DES keys in the
implementation of the Kerberos IV authentication protocol, which is
included in MIT Kerberos (CAN-2003-0139).
Vulnerabilities have been found in the Kerberos IV authentication protocol
that allow an attacker with knowledge of a cross-realm key, which is
shared with another realm, to impersonate any principal in that realm to
any service in that realm. This vulnerability can only be closed by
disabling cross-realm authentication in Kerberos IV (CAN-2003-0138).
Vulnerabilities have been found in the RPC library used by the kadmin
service in Kerberos 5. A faulty length check in the RPC library exposes
kadmind to an integer overflow, which can be used to crash kadmind
(CAN-2003-0028).
The Kerberos 5 network authentication system contains an RPC library which
includes an XDR decoder derived from Sun's RPC implementation. The Sun
implementation was recently demonstrated to be vulnerable to a heap
overflow. It is believed that the attacker needs to be able to
authenticate to the kadmin daemon for this attack to be successful
(CVE-2002-0391).
A stack buffer overflow was found in the implementation of the Kerberos v4
compatibility administration daemon (kadmind4), which is part of the the
MIT krb5 distribution, but not enabled or used by default in Red Hat Linux.
This vulnerability could be exploited to gain unauthorized root access to a
KDC host. The attacker does not need to authenticate to the daemon to
successfully perform this attack (CAN-2002-1235).
A problem has been found in the Kerberos ftp client. When retrieving a
file with a filename beginning with a pipe character, the ftp client will
pass the filename to the command shell in a system() call. This could
allow a malicious ftp server to write to files outside of the current
directory or execute commands as the user running the ftp client
(CAN-2003-0041).
All users of Kerberos are advised to upgrade to these errata packages,
which disable cross-realm authentication by default for Kerberos IV and
which contain backported patches that correct these issues.
Terms of Use: This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.
Integer signedness error in MIT Kerberos V5 ASN.1 decoder before krb5 1.2.5 allows remote attackers to cause a denial of service via a large unsigned data element length, which is later used as a negative value.
Vendor Fix
Before applying this update, make sure all previously released errata
relevant to your system have been applied.
To update all RPMs for your particular architecture, run:
rpm -Fvh [filenames]
where [filenames] is a list of the RPMs you wish to upgrade. Only those
RPMs which are currently installed will be updated. Those RPMs which are
not installed but included in the list will not be updated. Note that you
can also use wildcards (*.rpm) if your current directory *only* contains
the
desired RPMs.
Please note that this update is also available via Red Hat Network. Many
people find this an easier way to apply updates. To use Red Hat Network,
launch the Red Hat Update Agent with the following command:
up2date
This will start an interactive process that will result in the appropriate
RPMs being upgraded on your system.
https://access.redhat.com/errata/RHSA-2003:168
Integer overflow in xdr_array function in RPC servers for operating systems that use libc, glibc, or other code based on SunRPC including dietlibc, allows remote attackers to execute arbitrary code by passing a large number of arguments to xdr_array through RPC services such as rpc.cmsd and dmispd.
Vendor Fix
Before applying this update, make sure all previously released errata
relevant to your system have been applied.
To update all RPMs for your particular architecture, run:
rpm -Fvh [filenames]
where [filenames] is a list of the RPMs you wish to upgrade. Only those
RPMs which are currently installed will be updated. Those RPMs which are
not installed but included in the list will not be updated. Note that you
can also use wildcards (*.rpm) if your current directory *only* contains
the
desired RPMs.
Please note that this update is also available via Red Hat Network. Many
people find this an easier way to apply updates. To use Red Hat Network,
launch the Red Hat Update Agent with the following command:
up2date
This will start an interactive process that will result in the appropriate
RPMs being upgraded on your system.
https://access.redhat.com/errata/RHSA-2003:168
The kadm_ser_in function in (1) the Kerberos v4compatibility administration daemon (kadmind4) in the MIT Kerberos 5 (krb5) krb5-1.2.6 and earlier, (2) kadmind in KTH Kerberos 4 (eBones) before 1.2.1, and (3) kadmind in KTH Kerberos 5 (Heimdal) before 0.5.1 when compiled with Kerberos 4 support, does not properly verify the length field of a request, which allows remote attackers to execute arbitrary code via a buffer overflow attack.
Vendor Fix
Before applying this update, make sure all previously released errata
relevant to your system have been applied.
To update all RPMs for your particular architecture, run:
rpm -Fvh [filenames]
where [filenames] is a list of the RPMs you wish to upgrade. Only those
RPMs which are currently installed will be updated. Those RPMs which are
not installed but included in the list will not be updated. Note that you
can also use wildcards (*.rpm) if your current directory *only* contains
the
desired RPMs.
Please note that this update is also available via Red Hat Network. Many
people find this an easier way to apply updates. To use Red Hat Network,
launch the Red Hat Update Agent with the following command:
up2date
This will start an interactive process that will result in the appropriate
RPMs being upgraded on your system.
https://access.redhat.com/errata/RHSA-2003:168
Integer overflow in the xdrmem_getbytes() function, and possibly other functions, of XDR (external data representation) libraries derived from SunRPC, including libnsl, libc, glibc, and dietlibc, allows remote attackers to execute arbitrary code via certain integer values in length fields, a different vulnerability than CVE-2002-0391.
Vendor Fix
Before applying this update, make sure all previously released errata
relevant to your system have been applied.
To update all RPMs for your particular architecture, run:
rpm -Fvh [filenames]
where [filenames] is a list of the RPMs you wish to upgrade. Only those
RPMs which are currently installed will be updated. Those RPMs which are
not installed but included in the list will not be updated. Note that you
can also use wildcards (*.rpm) if your current directory *only* contains
the
desired RPMs.
Please note that this update is also available via Red Hat Network. Many
people find this an easier way to apply updates. To use Red Hat Network,
launch the Red Hat Update Agent with the following command:
up2date
This will start an interactive process that will result in the appropriate
RPMs being upgraded on your system.
https://access.redhat.com/errata/RHSA-2003:168
Kerberos FTP client allows remote FTP sites to execute arbitrary code via a pipe (|) character in a filename that is retrieved by the client.
Vendor Fix
Before applying this update, make sure all previously released errata
relevant to your system have been applied.
To update all RPMs for your particular architecture, run:
rpm -Fvh [filenames]
where [filenames] is a list of the RPMs you wish to upgrade. Only those
RPMs which are currently installed will be updated. Those RPMs which are
not installed but included in the list will not be updated. Note that you
can also use wildcards (*.rpm) if your current directory *only* contains
the
desired RPMs.
Please note that this update is also available via Red Hat Network. Many
people find this an easier way to apply updates. To use Red Hat Network,
launch the Red Hat Update Agent with the following command:
up2date
This will start an interactive process that will result in the appropriate
RPMs being upgraded on your system.
https://access.redhat.com/errata/RHSA-2003:168
MIT Kerberos V5 Key Distribution Center (KDC) before 1.2.5 allows remote authenticated attackers to cause a denial of service (crash) on KDCs within the same realm via a certain protocol request that causes a null dereference.
Vendor Fix
Before applying this update, make sure all previously released errata
relevant to your system have been applied.
To update all RPMs for your particular architecture, run:
rpm -Fvh [filenames]
where [filenames] is a list of the RPMs you wish to upgrade. Only those
RPMs which are currently installed will be updated. Those RPMs which are
not installed but included in the list will not be updated. Note that you
can also use wildcards (*.rpm) if your current directory *only* contains
the
desired RPMs.
Please note that this update is also available via Red Hat Network. Many
people find this an easier way to apply updates. To use Red Hat Network,
launch the Red Hat Update Agent with the following command:
up2date
This will start an interactive process that will result in the appropriate
RPMs being upgraded on your system.
https://access.redhat.com/errata/RHSA-2003:168
Unknown vulnerability in the chk_trans.c of the libkrb5 library for MIT Kerberos V5 before 1.2.5 allows users from one realm to impersonate users in other realms that have the same inter-realm keys.
Vendor Fix
Before applying this update, make sure all previously released errata
relevant to your system have been applied.
To update all RPMs for your particular architecture, run:
rpm -Fvh [filenames]
where [filenames] is a list of the RPMs you wish to upgrade. Only those
RPMs which are currently installed will be updated. Those RPMs which are
not installed but included in the list will not be updated. Note that you
can also use wildcards (*.rpm) if your current directory *only* contains
the
desired RPMs.
Please note that this update is also available via Red Hat Network. Many
people find this an easier way to apply updates. To use Red Hat Network,
launch the Red Hat Update Agent with the following command:
up2date
This will start an interactive process that will result in the appropriate
RPMs being upgraded on your system.
https://access.redhat.com/errata/RHSA-2003:168
The Key Distribution Center (KDC) in Kerberos 5 (krb5) 1.2.7 and earlier allows remote, authenticated attackers to cause a denial of service (crash) on KDCs within the same realm using a certain protocol request that causes an out-of-bounds read of an array (aka "array overrun").
Vendor Fix
Before applying this update, make sure all previously released errata
relevant to your system have been applied.
To update all RPMs for your particular architecture, run:
rpm -Fvh [filenames]
where [filenames] is a list of the RPMs you wish to upgrade. Only those
RPMs which are currently installed will be updated. Those RPMs which are
not installed but included in the list will not be updated. Note that you
can also use wildcards (*.rpm) if your current directory *only* contains
the
desired RPMs.
Please note that this update is also available via Red Hat Network. Many
people find this an easier way to apply updates. To use Red Hat Network,
launch the Red Hat Update Agent with the following command:
up2date
This will start an interactive process that will result in the appropriate
RPMs being upgraded on your system.
https://access.redhat.com/errata/RHSA-2003:168
The Key Distribution Center (KDC) in Kerberos 5 (krb5) 1.2.7 and earlier allows remote, authenticated attackers to cause a denial of service (crash) on KDCs within the same realm using a certain protocol request that causes the KDC to corrupt its heap (aka "buffer underrun").
Vendor Fix
Before applying this update, make sure all previously released errata
relevant to your system have been applied.
To update all RPMs for your particular architecture, run:
rpm -Fvh [filenames]
where [filenames] is a list of the RPMs you wish to upgrade. Only those
RPMs which are currently installed will be updated. Those RPMs which are
not installed but included in the list will not be updated. Note that you
can also use wildcards (*.rpm) if your current directory *only* contains
the
desired RPMs.
Please note that this update is also available via Red Hat Network. Many
people find this an easier way to apply updates. To use Red Hat Network,
launch the Red Hat Update Agent with the following command:
up2date
This will start an interactive process that will result in the appropriate
RPMs being upgraded on your system.
https://access.redhat.com/errata/RHSA-2003:168
Version 4 of the Kerberos protocol (krb4), as used in Heimdal and other packages, allows an attacker to impersonate any principal in a realm via a chosen-plaintext attack.
Vendor Fix
Before applying this update, make sure all previously released errata
relevant to your system have been applied.
To update all RPMs for your particular architecture, run:
rpm -Fvh [filenames]
where [filenames] is a list of the RPMs you wish to upgrade. Only those
RPMs which are currently installed will be updated. Those RPMs which are
not installed but included in the list will not be updated. Note that you
can also use wildcards (*.rpm) if your current directory *only* contains
the
desired RPMs.
Please note that this update is also available via Red Hat Network. Many
people find this an easier way to apply updates. To use Red Hat Network,
launch the Red Hat Update Agent with the following command:
up2date
This will start an interactive process that will result in the appropriate
RPMs being upgraded on your system.
https://access.redhat.com/errata/RHSA-2003:168
Certain weaknesses in the implementation of version 4 of the Kerberos protocol (krb4) in the krb5 distribution, when triple-DES keys are used to key krb4 services, allow an attacker to create krb4 tickets for unauthorized principals using a cut-and-paste attack and "ticket splicing."
Vendor Fix
Before applying this update, make sure all previously released errata
relevant to your system have been applied.
To update all RPMs for your particular architecture, run:
rpm -Fvh [filenames]
where [filenames] is a list of the RPMs you wish to upgrade. Only those
RPMs which are currently installed will be updated. Those RPMs which are
not installed but included in the list will not be updated. Note that you
can also use wildcards (*.rpm) if your current directory *only* contains
the
desired RPMs.
Please note that this update is also available via Red Hat Network. Many
people find this an easier way to apply updates. To use Red Hat Network,
launch the Red Hat Update Agent with the following command:
up2date
This will start an interactive process that will result in the appropriate
RPMs being upgraded on your system.
https://access.redhat.com/errata/RHSA-2003:168
References
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{
"document": {
"aggregate_severity": {
"namespace": "https://access.redhat.com/security/updates/classification/",
"text": "Critical"
},
"category": "csaf_security_advisory",
"csaf_version": "2.0",
"distribution": {
"text": "Copyright \u00a9 Red Hat, Inc. All rights reserved.",
"tlp": {
"label": "WHITE",
"url": "https://www.first.org/tlp/"
}
},
"lang": "en",
"notes": [
{
"category": "summary",
"text": "Updated Kerberos packages for IBM iSeries and pSeries systems fix a number\nof vulnerabilities found in MIT Kerberos.",
"title": "Topic"
},
{
"category": "general",
"text": "Kerberos is a network authentication system. The MIT Kerberos team\nreleased an advisory describing a number of vulnerabilities that affect the\nkerberos packages shipped by Red Hat. These vulnerabilities include:\n\nAn integer signedness error in the ASN.1 decoder before version 1.2.5\nallows remote attackers to cause a denial of service (crash) via a large\nunsigned data element length, which is later used as a negative value. The\nCommon Vulnerabilities and Exposures project has assigned the name\nCAN-2002-0036 to this issue. \n\nThe Key Distribution Center (KDC) before version 1.2.5 allows remote,\nauthenticated attackers to cause a denial of service (crash) on KDCs within\nthe same realm using a certain protocol request that causes a null\ndereference (CAN-2003-0058). \n\nThe Key Distribution Center (KDC) allows remote, authenticated attackers to\ncause a denial of service (crash) on KDCs within the same realm using a\ncertain protocol request that causes an out-of-bounds read of an array\n(CAN-2003-0072).\n\nThe Key Distribution Center (KDC) allows remote, authenticated attackers\nto cause a denial of service (crash) on KDCs within the same realm using a\ncertain protocol request that causes the KDC to corrupt its heap\n(CAN-2003-0082).\n\nA vulnerability in Kerberos before version 1.2.3 allows users from one\nrealm to impersonate users in other realms that have the same inter-realm\nkeys (CAN-2003-0059). \n\nThe MIT advisory for these issues also mentions format string\nvulnerabilities in the logging routines (CAN-2003-0060). Previous versions\nof the kerberos packages from Red Hat already contain fixes for this issue.\n\nVulnerabilities have been found in the support for triple-DES keys in the\nimplementation of the Kerberos IV authentication protocol, which is\nincluded in MIT Kerberos (CAN-2003-0139).\n\nVulnerabilities have been found in the Kerberos IV authentication protocol\nthat allow an attacker with knowledge of a cross-realm key, which is\nshared with another realm, to impersonate any principal in that realm to\nany service in that realm. This vulnerability can only be closed by\ndisabling cross-realm authentication in Kerberos IV (CAN-2003-0138).\n\nVulnerabilities have been found in the RPC library used by the kadmin\nservice in Kerberos 5. A faulty length check in the RPC library exposes\nkadmind to an integer overflow, which can be used to crash kadmind\n(CAN-2003-0028).\n\nThe Kerberos 5 network authentication system contains an RPC library which\nincludes an XDR decoder derived from Sun\u0027s RPC implementation. The Sun\nimplementation was recently demonstrated to be vulnerable to a heap\noverflow. It is believed that the attacker needs to be able to\nauthenticate to the kadmin daemon for this attack to be successful\n(CVE-2002-0391).\n\nA stack buffer overflow was found in the implementation of the Kerberos v4\ncompatibility administration daemon (kadmind4), which is part of the the\nMIT krb5 distribution, but not enabled or used by default in Red Hat Linux.\nThis vulnerability could be exploited to gain unauthorized root access to a\nKDC host. The attacker does not need to authenticate to the daemon to\nsuccessfully perform this attack (CAN-2002-1235).\n\nA problem has been found in the Kerberos ftp client. When retrieving a\nfile with a filename beginning with a pipe character, the ftp client will\npass the filename to the command shell in a system() call. This could\nallow a malicious ftp server to write to files outside of the current\ndirectory or execute commands as the user running the ftp client\n(CAN-2003-0041).\n\nAll users of Kerberos are advised to upgrade to these errata packages,\nwhich disable cross-realm authentication by default for Kerberos IV and\nwhich contain backported patches that correct these issues.",
"title": "Details"
},
{
"category": "legal_disclaimer",
"text": "This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.",
"title": "Terms of Use"
}
],
"publisher": {
"category": "vendor",
"contact_details": "https://access.redhat.com/security/team/contact/",
"issuing_authority": "Red Hat Product Security is responsible for vulnerability handling across all Red Hat products and services.",
"name": "Red Hat Product Security",
"namespace": "https://www.redhat.com"
},
"references": [
{
"category": "self",
"summary": "https://access.redhat.com/errata/RHSA-2003:168",
"url": "https://access.redhat.com/errata/RHSA-2003:168"
},
{
"category": "external",
"summary": "http://web.mit.edu/kerberos/www/advisories/MITKRB5-SA-2003-005-buf.txt",
"url": "http://web.mit.edu/kerberos/www/advisories/MITKRB5-SA-2003-005-buf.txt"
},
{
"category": "external",
"summary": "http://web.mit.edu/kerberos/www/advisories/MITKRB5-SA-2003-004-krb4.txt",
"url": "http://web.mit.edu/kerberos/www/advisories/MITKRB5-SA-2003-004-krb4.txt"
},
{
"category": "external",
"summary": "http://web.mit.edu/kerberos/www/advisories/MITKRB5-SA-2003-003-xdr.txt",
"url": "http://web.mit.edu/kerberos/www/advisories/MITKRB5-SA-2003-003-xdr.txt"
},
{
"category": "external",
"summary": "http://web.mit.edu/kerberos/www/advisories/MITKRB5-SA-2003-001-multiple.txt",
"url": "http://web.mit.edu/kerberos/www/advisories/MITKRB5-SA-2003-001-multiple.txt"
},
{
"category": "external",
"summary": "http://web.mit.edu/kerberos/www/advisories/MITKRB5-SA-2002-002-kadm4.txt",
"url": "http://web.mit.edu/kerberos/www/advisories/MITKRB5-SA-2002-002-kadm4.txt"
},
{
"category": "external",
"summary": "http://www.kb.cert.org/vuls/id/258721",
"url": "http://www.kb.cert.org/vuls/id/258721"
},
{
"category": "self",
"summary": "Canonical URL",
"url": "https://security.access.redhat.com/data/csaf/v2/advisories/2003/rhsa-2003_168.json"
}
],
"title": "Red Hat Security Advisory: : : : Updated kerberos packages fix various vulnerabilities",
"tracking": {
"current_release_date": "2025-11-21T17:26:05+00:00",
"generator": {
"date": "2025-11-21T17:26:05+00:00",
"engine": {
"name": "Red Hat SDEngine",
"version": "4.6.12"
}
},
"id": "RHSA-2003:168",
"initial_release_date": "2003-04-29T21:21:00+00:00",
"revision_history": [
{
"date": "2003-04-29T21:21:00+00:00",
"number": "1",
"summary": "Initial version"
},
{
"date": "2003-04-29T00:00:00+00:00",
"number": "2",
"summary": "Last updated version"
},
{
"date": "2025-11-21T17:26:05+00:00",
"number": "3",
"summary": "Last generated version"
}
],
"status": "final",
"version": "3"
}
},
"product_tree": {
"branches": [
{
"branches": [
{
"branches": [
{
"category": "product_name",
"name": "Red Hat Linux 7.1",
"product": {
"name": "Red Hat Linux 7.1",
"product_id": "Red Hat Linux 7.1",
"product_identification_helper": {
"cpe": "cpe:/o:redhat:linux:7.1"
}
}
}
],
"category": "product_family",
"name": "Red Hat Linux"
}
],
"category": "vendor",
"name": "Red Hat"
}
]
},
"vulnerabilities": [
{
"cve": "CVE-2002-0036",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "1616724"
}
],
"notes": [
{
"category": "description",
"text": "Integer signedness error in MIT Kerberos V5 ASN.1 decoder before krb5 1.2.5 allows remote attackers to cause a denial of service via a large unsigned data element length, which is later used as a negative value.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "security flaw",
"title": "Vulnerability summary"
}
],
"product_status": {
"fixed": [
"Red Hat Linux 7.1"
]
},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2002-0036"
},
{
"category": "external",
"summary": "RHBZ#1616724",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1616724"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2002-0036",
"url": "https://www.cve.org/CVERecord?id=CVE-2002-0036"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2002-0036",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2002-0036"
}
],
"release_date": "2003-01-29T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2003-04-29T21:21:00+00:00",
"details": "Before applying this update, make sure all previously released errata\nrelevant to your system have been applied.\n\nTo update all RPMs for your particular architecture, run:\n\nrpm -Fvh [filenames]\n\nwhere [filenames] is a list of the RPMs you wish to upgrade. Only those\nRPMs which are currently installed will be updated. Those RPMs which are\nnot installed but included in the list will not be updated. Note that you\ncan also use wildcards (*.rpm) if your current directory *only* contains\nthe\ndesired RPMs.\n\nPlease note that this update is also available via Red Hat Network. Many\npeople find this an easier way to apply updates. To use Red Hat Network,\nlaunch the Red Hat Update Agent with the following command:\n\nup2date\n\nThis will start an interactive process that will result in the appropriate\nRPMs being upgraded on your system.",
"product_ids": [
"Red Hat Linux 7.1"
],
"restart_required": {
"category": "none"
},
"url": "https://access.redhat.com/errata/RHSA-2003:168"
}
],
"threats": [
{
"category": "impact",
"details": "Important"
}
],
"title": "security flaw"
},
{
"cve": "CVE-2002-0391",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "1616771"
}
],
"notes": [
{
"category": "description",
"text": "Integer overflow in xdr_array function in RPC servers for operating systems that use libc, glibc, or other code based on SunRPC including dietlibc, allows remote attackers to execute arbitrary code by passing a large number of arguments to xdr_array through RPC services such as rpc.cmsd and dmispd.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "security flaw",
"title": "Vulnerability summary"
}
],
"product_status": {
"fixed": [
"Red Hat Linux 7.1"
]
},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2002-0391"
},
{
"category": "external",
"summary": "RHBZ#1616771",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1616771"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2002-0391",
"url": "https://www.cve.org/CVERecord?id=CVE-2002-0391"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2002-0391",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2002-0391"
}
],
"release_date": "2002-07-29T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2003-04-29T21:21:00+00:00",
"details": "Before applying this update, make sure all previously released errata\nrelevant to your system have been applied.\n\nTo update all RPMs for your particular architecture, run:\n\nrpm -Fvh [filenames]\n\nwhere [filenames] is a list of the RPMs you wish to upgrade. Only those\nRPMs which are currently installed will be updated. Those RPMs which are\nnot installed but included in the list will not be updated. Note that you\ncan also use wildcards (*.rpm) if your current directory *only* contains\nthe\ndesired RPMs.\n\nPlease note that this update is also available via Red Hat Network. Many\npeople find this an easier way to apply updates. To use Red Hat Network,\nlaunch the Red Hat Update Agent with the following command:\n\nup2date\n\nThis will start an interactive process that will result in the appropriate\nRPMs being upgraded on your system.",
"product_ids": [
"Red Hat Linux 7.1"
],
"restart_required": {
"category": "none"
},
"url": "https://access.redhat.com/errata/RHSA-2003:168"
}
],
"threats": [
{
"category": "impact",
"details": "Important"
}
],
"title": "security flaw"
},
{
"cve": "CVE-2002-1235",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "1616862"
}
],
"notes": [
{
"category": "description",
"text": "The kadm_ser_in function in (1) the Kerberos v4compatibility administration daemon (kadmind4) in the MIT Kerberos 5 (krb5) krb5-1.2.6 and earlier, (2) kadmind in KTH Kerberos 4 (eBones) before 1.2.1, and (3) kadmind in KTH Kerberos 5 (Heimdal) before 0.5.1 when compiled with Kerberos 4 support, does not properly verify the length field of a request, which allows remote attackers to execute arbitrary code via a buffer overflow attack.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "security flaw",
"title": "Vulnerability summary"
}
],
"product_status": {
"fixed": [
"Red Hat Linux 7.1"
]
},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2002-1235"
},
{
"category": "external",
"summary": "RHBZ#1616862",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1616862"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2002-1235",
"url": "https://www.cve.org/CVERecord?id=CVE-2002-1235"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2002-1235",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2002-1235"
}
],
"release_date": "2002-10-23T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2003-04-29T21:21:00+00:00",
"details": "Before applying this update, make sure all previously released errata\nrelevant to your system have been applied.\n\nTo update all RPMs for your particular architecture, run:\n\nrpm -Fvh [filenames]\n\nwhere [filenames] is a list of the RPMs you wish to upgrade. Only those\nRPMs which are currently installed will be updated. Those RPMs which are\nnot installed but included in the list will not be updated. Note that you\ncan also use wildcards (*.rpm) if your current directory *only* contains\nthe\ndesired RPMs.\n\nPlease note that this update is also available via Red Hat Network. Many\npeople find this an easier way to apply updates. To use Red Hat Network,\nlaunch the Red Hat Update Agent with the following command:\n\nup2date\n\nThis will start an interactive process that will result in the appropriate\nRPMs being upgraded on your system.",
"product_ids": [
"Red Hat Linux 7.1"
],
"restart_required": {
"category": "none"
},
"url": "https://access.redhat.com/errata/RHSA-2003:168"
}
],
"threats": [
{
"category": "impact",
"details": "Critical"
}
],
"title": "security flaw"
},
{
"cve": "CVE-2003-0028",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "1616941"
}
],
"notes": [
{
"category": "description",
"text": "Integer overflow in the xdrmem_getbytes() function, and possibly other functions, of XDR (external data representation) libraries derived from SunRPC, including libnsl, libc, glibc, and dietlibc, allows remote attackers to execute arbitrary code via certain integer values in length fields, a different vulnerability than CVE-2002-0391.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "security flaw",
"title": "Vulnerability summary"
}
],
"product_status": {
"fixed": [
"Red Hat Linux 7.1"
]
},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2003-0028"
},
{
"category": "external",
"summary": "RHBZ#1616941",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1616941"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2003-0028",
"url": "https://www.cve.org/CVERecord?id=CVE-2003-0028"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2003-0028",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2003-0028"
}
],
"release_date": "2003-03-19T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2003-04-29T21:21:00+00:00",
"details": "Before applying this update, make sure all previously released errata\nrelevant to your system have been applied.\n\nTo update all RPMs for your particular architecture, run:\n\nrpm -Fvh [filenames]\n\nwhere [filenames] is a list of the RPMs you wish to upgrade. Only those\nRPMs which are currently installed will be updated. Those RPMs which are\nnot installed but included in the list will not be updated. Note that you\ncan also use wildcards (*.rpm) if your current directory *only* contains\nthe\ndesired RPMs.\n\nPlease note that this update is also available via Red Hat Network. Many\npeople find this an easier way to apply updates. To use Red Hat Network,\nlaunch the Red Hat Update Agent with the following command:\n\nup2date\n\nThis will start an interactive process that will result in the appropriate\nRPMs being upgraded on your system.",
"product_ids": [
"Red Hat Linux 7.1"
],
"restart_required": {
"category": "none"
},
"url": "https://access.redhat.com/errata/RHSA-2003:168"
}
],
"threats": [
{
"category": "impact",
"details": "Critical"
}
],
"title": "security flaw"
},
{
"cve": "CVE-2003-0041",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "1616943"
}
],
"notes": [
{
"category": "description",
"text": "Kerberos FTP client allows remote FTP sites to execute arbitrary code via a pipe (|) character in a filename that is retrieved by the client.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "security flaw",
"title": "Vulnerability summary"
}
],
"product_status": {
"fixed": [
"Red Hat Linux 7.1"
]
},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2003-0041"
},
{
"category": "external",
"summary": "RHBZ#1616943",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1616943"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2003-0041",
"url": "https://www.cve.org/CVERecord?id=CVE-2003-0041"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2003-0041",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2003-0041"
}
],
"release_date": "2003-01-31T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2003-04-29T21:21:00+00:00",
"details": "Before applying this update, make sure all previously released errata\nrelevant to your system have been applied.\n\nTo update all RPMs for your particular architecture, run:\n\nrpm -Fvh [filenames]\n\nwhere [filenames] is a list of the RPMs you wish to upgrade. Only those\nRPMs which are currently installed will be updated. Those RPMs which are\nnot installed but included in the list will not be updated. Note that you\ncan also use wildcards (*.rpm) if your current directory *only* contains\nthe\ndesired RPMs.\n\nPlease note that this update is also available via Red Hat Network. Many\npeople find this an easier way to apply updates. To use Red Hat Network,\nlaunch the Red Hat Update Agent with the following command:\n\nup2date\n\nThis will start an interactive process that will result in the appropriate\nRPMs being upgraded on your system.",
"product_ids": [
"Red Hat Linux 7.1"
],
"restart_required": {
"category": "none"
},
"url": "https://access.redhat.com/errata/RHSA-2003:168"
}
],
"threats": [
{
"category": "impact",
"details": "Moderate"
}
],
"title": "security flaw"
},
{
"cve": "CVE-2003-0058",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "1616945"
}
],
"notes": [
{
"category": "description",
"text": "MIT Kerberos V5 Key Distribution Center (KDC) before 1.2.5 allows remote authenticated attackers to cause a denial of service (crash) on KDCs within the same realm via a certain protocol request that causes a null dereference.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "security flaw",
"title": "Vulnerability summary"
}
],
"product_status": {
"fixed": [
"Red Hat Linux 7.1"
]
},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2003-0058"
},
{
"category": "external",
"summary": "RHBZ#1616945",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1616945"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2003-0058",
"url": "https://www.cve.org/CVERecord?id=CVE-2003-0058"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2003-0058",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2003-0058"
}
],
"release_date": "2003-01-28T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2003-04-29T21:21:00+00:00",
"details": "Before applying this update, make sure all previously released errata\nrelevant to your system have been applied.\n\nTo update all RPMs for your particular architecture, run:\n\nrpm -Fvh [filenames]\n\nwhere [filenames] is a list of the RPMs you wish to upgrade. Only those\nRPMs which are currently installed will be updated. Those RPMs which are\nnot installed but included in the list will not be updated. Note that you\ncan also use wildcards (*.rpm) if your current directory *only* contains\nthe\ndesired RPMs.\n\nPlease note that this update is also available via Red Hat Network. Many\npeople find this an easier way to apply updates. To use Red Hat Network,\nlaunch the Red Hat Update Agent with the following command:\n\nup2date\n\nThis will start an interactive process that will result in the appropriate\nRPMs being upgraded on your system.",
"product_ids": [
"Red Hat Linux 7.1"
],
"restart_required": {
"category": "none"
},
"url": "https://access.redhat.com/errata/RHSA-2003:168"
}
],
"threats": [
{
"category": "impact",
"details": "Moderate"
}
],
"title": "security flaw"
},
{
"cve": "CVE-2003-0059",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "1616946"
}
],
"notes": [
{
"category": "description",
"text": "Unknown vulnerability in the chk_trans.c of the libkrb5 library for MIT Kerberos V5 before 1.2.5 allows users from one realm to impersonate users in other realms that have the same inter-realm keys.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "security flaw",
"title": "Vulnerability summary"
}
],
"product_status": {
"fixed": [
"Red Hat Linux 7.1"
]
},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2003-0059"
},
{
"category": "external",
"summary": "RHBZ#1616946",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1616946"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2003-0059",
"url": "https://www.cve.org/CVERecord?id=CVE-2003-0059"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2003-0059",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2003-0059"
}
],
"release_date": "2003-01-28T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2003-04-29T21:21:00+00:00",
"details": "Before applying this update, make sure all previously released errata\nrelevant to your system have been applied.\n\nTo update all RPMs for your particular architecture, run:\n\nrpm -Fvh [filenames]\n\nwhere [filenames] is a list of the RPMs you wish to upgrade. Only those\nRPMs which are currently installed will be updated. Those RPMs which are\nnot installed but included in the list will not be updated. Note that you\ncan also use wildcards (*.rpm) if your current directory *only* contains\nthe\ndesired RPMs.\n\nPlease note that this update is also available via Red Hat Network. Many\npeople find this an easier way to apply updates. To use Red Hat Network,\nlaunch the Red Hat Update Agent with the following command:\n\nup2date\n\nThis will start an interactive process that will result in the appropriate\nRPMs being upgraded on your system.",
"product_ids": [
"Red Hat Linux 7.1"
],
"restart_required": {
"category": "none"
},
"url": "https://access.redhat.com/errata/RHSA-2003:168"
}
],
"threats": [
{
"category": "impact",
"details": "Moderate"
}
],
"title": "security flaw"
},
{
"cve": "CVE-2003-0072",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "1616953"
}
],
"notes": [
{
"category": "description",
"text": "The Key Distribution Center (KDC) in Kerberos 5 (krb5) 1.2.7 and earlier allows remote, authenticated attackers to cause a denial of service (crash) on KDCs within the same realm using a certain protocol request that causes an out-of-bounds read of an array (aka \"array overrun\").",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "security flaw",
"title": "Vulnerability summary"
}
],
"product_status": {
"fixed": [
"Red Hat Linux 7.1"
]
},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2003-0072"
},
{
"category": "external",
"summary": "RHBZ#1616953",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1616953"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2003-0072",
"url": "https://www.cve.org/CVERecord?id=CVE-2003-0072"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2003-0072",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2003-0072"
}
],
"release_date": "2003-03-19T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2003-04-29T21:21:00+00:00",
"details": "Before applying this update, make sure all previously released errata\nrelevant to your system have been applied.\n\nTo update all RPMs for your particular architecture, run:\n\nrpm -Fvh [filenames]\n\nwhere [filenames] is a list of the RPMs you wish to upgrade. Only those\nRPMs which are currently installed will be updated. Those RPMs which are\nnot installed but included in the list will not be updated. Note that you\ncan also use wildcards (*.rpm) if your current directory *only* contains\nthe\ndesired RPMs.\n\nPlease note that this update is also available via Red Hat Network. Many\npeople find this an easier way to apply updates. To use Red Hat Network,\nlaunch the Red Hat Update Agent with the following command:\n\nup2date\n\nThis will start an interactive process that will result in the appropriate\nRPMs being upgraded on your system.",
"product_ids": [
"Red Hat Linux 7.1"
],
"restart_required": {
"category": "none"
},
"url": "https://access.redhat.com/errata/RHSA-2003:168"
}
],
"threats": [
{
"category": "impact",
"details": "Important"
}
],
"title": "security flaw"
},
{
"cve": "CVE-2003-0082",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "1616960"
}
],
"notes": [
{
"category": "description",
"text": "The Key Distribution Center (KDC) in Kerberos 5 (krb5) 1.2.7 and earlier allows remote, authenticated attackers to cause a denial of service (crash) on KDCs within the same realm using a certain protocol request that causes the KDC to corrupt its heap (aka \"buffer underrun\").",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "security flaw",
"title": "Vulnerability summary"
}
],
"product_status": {
"fixed": [
"Red Hat Linux 7.1"
]
},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2003-0082"
},
{
"category": "external",
"summary": "RHBZ#1616960",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1616960"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2003-0082",
"url": "https://www.cve.org/CVERecord?id=CVE-2003-0082"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2003-0082",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2003-0082"
}
],
"release_date": "2003-03-19T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2003-04-29T21:21:00+00:00",
"details": "Before applying this update, make sure all previously released errata\nrelevant to your system have been applied.\n\nTo update all RPMs for your particular architecture, run:\n\nrpm -Fvh [filenames]\n\nwhere [filenames] is a list of the RPMs you wish to upgrade. Only those\nRPMs which are currently installed will be updated. Those RPMs which are\nnot installed but included in the list will not be updated. Note that you\ncan also use wildcards (*.rpm) if your current directory *only* contains\nthe\ndesired RPMs.\n\nPlease note that this update is also available via Red Hat Network. Many\npeople find this an easier way to apply updates. To use Red Hat Network,\nlaunch the Red Hat Update Agent with the following command:\n\nup2date\n\nThis will start an interactive process that will result in the appropriate\nRPMs being upgraded on your system.",
"product_ids": [
"Red Hat Linux 7.1"
],
"restart_required": {
"category": "none"
},
"url": "https://access.redhat.com/errata/RHSA-2003:168"
}
],
"threats": [
{
"category": "impact",
"details": "Important"
}
],
"title": "security flaw"
},
{
"cve": "CVE-2003-0138",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "1616981"
}
],
"notes": [
{
"category": "description",
"text": "Version 4 of the Kerberos protocol (krb4), as used in Heimdal and other packages, allows an attacker to impersonate any principal in a realm via a chosen-plaintext attack.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "security flaw",
"title": "Vulnerability summary"
}
],
"product_status": {
"fixed": [
"Red Hat Linux 7.1"
]
},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2003-0138"
},
{
"category": "external",
"summary": "RHBZ#1616981",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1616981"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2003-0138",
"url": "https://www.cve.org/CVERecord?id=CVE-2003-0138"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2003-0138",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2003-0138"
}
],
"release_date": "2003-03-19T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2003-04-29T21:21:00+00:00",
"details": "Before applying this update, make sure all previously released errata\nrelevant to your system have been applied.\n\nTo update all RPMs for your particular architecture, run:\n\nrpm -Fvh [filenames]\n\nwhere [filenames] is a list of the RPMs you wish to upgrade. Only those\nRPMs which are currently installed will be updated. Those RPMs which are\nnot installed but included in the list will not be updated. Note that you\ncan also use wildcards (*.rpm) if your current directory *only* contains\nthe\ndesired RPMs.\n\nPlease note that this update is also available via Red Hat Network. Many\npeople find this an easier way to apply updates. To use Red Hat Network,\nlaunch the Red Hat Update Agent with the following command:\n\nup2date\n\nThis will start an interactive process that will result in the appropriate\nRPMs being upgraded on your system.",
"product_ids": [
"Red Hat Linux 7.1"
],
"restart_required": {
"category": "none"
},
"url": "https://access.redhat.com/errata/RHSA-2003:168"
}
],
"threats": [
{
"category": "impact",
"details": "Important"
}
],
"title": "security flaw"
},
{
"cve": "CVE-2003-0139",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "1616982"
}
],
"notes": [
{
"category": "description",
"text": "Certain weaknesses in the implementation of version 4 of the Kerberos protocol (krb4) in the krb5 distribution, when triple-DES keys are used to key krb4 services, allow an attacker to create krb4 tickets for unauthorized principals using a cut-and-paste attack and \"ticket splicing.\"",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "security flaw",
"title": "Vulnerability summary"
}
],
"product_status": {
"fixed": [
"Red Hat Linux 7.1"
]
},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2003-0139"
},
{
"category": "external",
"summary": "RHBZ#1616982",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1616982"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2003-0139",
"url": "https://www.cve.org/CVERecord?id=CVE-2003-0139"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2003-0139",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2003-0139"
}
],
"release_date": "2003-03-19T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2003-04-29T21:21:00+00:00",
"details": "Before applying this update, make sure all previously released errata\nrelevant to your system have been applied.\n\nTo update all RPMs for your particular architecture, run:\n\nrpm -Fvh [filenames]\n\nwhere [filenames] is a list of the RPMs you wish to upgrade. Only those\nRPMs which are currently installed will be updated. Those RPMs which are\nnot installed but included in the list will not be updated. Note that you\ncan also use wildcards (*.rpm) if your current directory *only* contains\nthe\ndesired RPMs.\n\nPlease note that this update is also available via Red Hat Network. Many\npeople find this an easier way to apply updates. To use Red Hat Network,\nlaunch the Red Hat Update Agent with the following command:\n\nup2date\n\nThis will start an interactive process that will result in the appropriate\nRPMs being upgraded on your system.",
"product_ids": [
"Red Hat Linux 7.1"
],
"restart_required": {
"category": "none"
},
"url": "https://access.redhat.com/errata/RHSA-2003:168"
}
],
"threats": [
{
"category": "impact",
"details": "Important"
}
],
"title": "security flaw"
}
]
}
RHSA-2003_051
Vulnerability from csaf_redhat - Published: 2003-03-26 21:49 - Updated: 2024-11-21 22:38Summary
Red Hat Security Advisory: : Updated kerberos packages fix various vulnerabilities
Severity
Critical
Notes
Topic: Updated Kerberos packages fix a number of vulnerabilities found in MIT
Kerberos.
Details: Kerberos is a network authentication system. The MIT Kerberos team
released an advisory describing a number of vulnerabilities that affect the
kerberos packages shipped by Red Hat. These vulnerabilities include:
An integer signedness error in the ASN.1 decoder before version 1.2.5
allows remote attackers to cause a denial of service (crash) via a large
unsigned data element length, which is later used as a negative value. The
Common Vulnerabilities and Exposures project has assigned the name
CAN-2002-0036 to this issue. Red Hat Linux 8.0 and later are not affected
by this issue.
The Key Distribution Center (KDC) before version 1.2.5 allows remote,
authenticated attackers to cause a denial of service (crash) on KDCs within
the same realm using a certain protocol request that causes a null
dereference (CAN-2003-0058). Red Hat Linux 8.0 and later are not affected
by this issue.
The Key Distribution Center (KDC) allows remote, authenticated attackers to
cause a denial of service (crash) on KDCs within the same realm using a
certain protocol request that causes an out-of-bounds read of an array
(CAN-2003-0072).
The Key Distribution Center (KDC) allows remote, authenticated attackers
to cause a denial of service (crash) on KDCs within the same realm using a
certain protocol request that causes the KDC to corrupt its heap
(CAN-2003-0082).
A vulnerability in Kerberos before version 1.2.3 allows users from one
realm to impersonate users in other realms that have the same inter-realm
keys (CAN-2003-0059). Red Hat Linux 7.3 and later are not affected by this
issue.
The MIT advisory for these issues also mentions format string
vulnerabilities in the logging routines (CAN-2003-0060). Previous versions
of the kerberos packages from Red Hat already contain fixes for this issue.
Vulnerabilities have been found in the support for triple-DES keys in the
implementation of the Kerberos IV authentication protocol which is included
in MIT Kerberos (CAN-2003-0139).
Vulnerabilities have been found in the Kerberos IV authentication protocol
which allow an attacker with knowledge of a cross-realm key, which is
shared with another realm, to impersonate any principal in that realm to
any service in that realm. This vulnerability can only be closed by
disabling cross-realm authentication in Kerberos IV (CAN-2003-0138).
Vulnerabilities have been found in the RPC library used by the kadmin
service in Kerberos 5. A faulty length check in the RPC library exposes
kadmind to an integer overflow which can be used to crash kadmind
(CAN-2003-0028).
All users of Kerberos are advised to upgrade to these errata packages,
which disable cross-realm authentication by default for Kerberos IV and
which contain backported patches that correct these issues.
Terms of Use: This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.
Integer signedness error in MIT Kerberos V5 ASN.1 decoder before krb5 1.2.5 allows remote attackers to cause a denial of service via a large unsigned data element length, which is later used as a negative value.
Vendor Fix
Before applying this update, make sure all previously released errata
relevant to your system have been applied.
To update all RPMs for your particular architecture, run:
rpm -Fvh [filenames]
where [filenames] is a list of the RPMs you wish to upgrade. Only those
RPMs which are currently installed will be updated. Those RPMs which are
not installed but included in the list will not be updated. Note that you
can also use wildcards (*.rpm) if your current directory *only* contains
the
desired RPMs.
Please note that this update is also available via Red Hat Network. Many
people find this an easier way to apply updates. To use Red Hat Network,
launch the Red Hat Update Agent with the following command:
up2date
This will start an interactive process that will result in the appropriate
RPMs being upgraded on your system.
https://access.redhat.com/errata/RHSA-2003:051
Integer overflow in the xdrmem_getbytes() function, and possibly other functions, of XDR (external data representation) libraries derived from SunRPC, including libnsl, libc, glibc, and dietlibc, allows remote attackers to execute arbitrary code via certain integer values in length fields, a different vulnerability than CVE-2002-0391.
Vendor Fix
Before applying this update, make sure all previously released errata
relevant to your system have been applied.
To update all RPMs for your particular architecture, run:
rpm -Fvh [filenames]
where [filenames] is a list of the RPMs you wish to upgrade. Only those
RPMs which are currently installed will be updated. Those RPMs which are
not installed but included in the list will not be updated. Note that you
can also use wildcards (*.rpm) if your current directory *only* contains
the
desired RPMs.
Please note that this update is also available via Red Hat Network. Many
people find this an easier way to apply updates. To use Red Hat Network,
launch the Red Hat Update Agent with the following command:
up2date
This will start an interactive process that will result in the appropriate
RPMs being upgraded on your system.
https://access.redhat.com/errata/RHSA-2003:051
MIT Kerberos V5 Key Distribution Center (KDC) before 1.2.5 allows remote authenticated attackers to cause a denial of service (crash) on KDCs within the same realm via a certain protocol request that causes a null dereference.
Vendor Fix
Before applying this update, make sure all previously released errata
relevant to your system have been applied.
To update all RPMs for your particular architecture, run:
rpm -Fvh [filenames]
where [filenames] is a list of the RPMs you wish to upgrade. Only those
RPMs which are currently installed will be updated. Those RPMs which are
not installed but included in the list will not be updated. Note that you
can also use wildcards (*.rpm) if your current directory *only* contains
the
desired RPMs.
Please note that this update is also available via Red Hat Network. Many
people find this an easier way to apply updates. To use Red Hat Network,
launch the Red Hat Update Agent with the following command:
up2date
This will start an interactive process that will result in the appropriate
RPMs being upgraded on your system.
https://access.redhat.com/errata/RHSA-2003:051
Unknown vulnerability in the chk_trans.c of the libkrb5 library for MIT Kerberos V5 before 1.2.5 allows users from one realm to impersonate users in other realms that have the same inter-realm keys.
Vendor Fix
Before applying this update, make sure all previously released errata
relevant to your system have been applied.
To update all RPMs for your particular architecture, run:
rpm -Fvh [filenames]
where [filenames] is a list of the RPMs you wish to upgrade. Only those
RPMs which are currently installed will be updated. Those RPMs which are
not installed but included in the list will not be updated. Note that you
can also use wildcards (*.rpm) if your current directory *only* contains
the
desired RPMs.
Please note that this update is also available via Red Hat Network. Many
people find this an easier way to apply updates. To use Red Hat Network,
launch the Red Hat Update Agent with the following command:
up2date
This will start an interactive process that will result in the appropriate
RPMs being upgraded on your system.
https://access.redhat.com/errata/RHSA-2003:051
The Key Distribution Center (KDC) in Kerberos 5 (krb5) 1.2.7 and earlier allows remote, authenticated attackers to cause a denial of service (crash) on KDCs within the same realm using a certain protocol request that causes an out-of-bounds read of an array (aka "array overrun").
Vendor Fix
Before applying this update, make sure all previously released errata
relevant to your system have been applied.
To update all RPMs for your particular architecture, run:
rpm -Fvh [filenames]
where [filenames] is a list of the RPMs you wish to upgrade. Only those
RPMs which are currently installed will be updated. Those RPMs which are
not installed but included in the list will not be updated. Note that you
can also use wildcards (*.rpm) if your current directory *only* contains
the
desired RPMs.
Please note that this update is also available via Red Hat Network. Many
people find this an easier way to apply updates. To use Red Hat Network,
launch the Red Hat Update Agent with the following command:
up2date
This will start an interactive process that will result in the appropriate
RPMs being upgraded on your system.
https://access.redhat.com/errata/RHSA-2003:051
The Key Distribution Center (KDC) in Kerberos 5 (krb5) 1.2.7 and earlier allows remote, authenticated attackers to cause a denial of service (crash) on KDCs within the same realm using a certain protocol request that causes the KDC to corrupt its heap (aka "buffer underrun").
Vendor Fix
Before applying this update, make sure all previously released errata
relevant to your system have been applied.
To update all RPMs for your particular architecture, run:
rpm -Fvh [filenames]
where [filenames] is a list of the RPMs you wish to upgrade. Only those
RPMs which are currently installed will be updated. Those RPMs which are
not installed but included in the list will not be updated. Note that you
can also use wildcards (*.rpm) if your current directory *only* contains
the
desired RPMs.
Please note that this update is also available via Red Hat Network. Many
people find this an easier way to apply updates. To use Red Hat Network,
launch the Red Hat Update Agent with the following command:
up2date
This will start an interactive process that will result in the appropriate
RPMs being upgraded on your system.
https://access.redhat.com/errata/RHSA-2003:051
Version 4 of the Kerberos protocol (krb4), as used in Heimdal and other packages, allows an attacker to impersonate any principal in a realm via a chosen-plaintext attack.
Vendor Fix
Before applying this update, make sure all previously released errata
relevant to your system have been applied.
To update all RPMs for your particular architecture, run:
rpm -Fvh [filenames]
where [filenames] is a list of the RPMs you wish to upgrade. Only those
RPMs which are currently installed will be updated. Those RPMs which are
not installed but included in the list will not be updated. Note that you
can also use wildcards (*.rpm) if your current directory *only* contains
the
desired RPMs.
Please note that this update is also available via Red Hat Network. Many
people find this an easier way to apply updates. To use Red Hat Network,
launch the Red Hat Update Agent with the following command:
up2date
This will start an interactive process that will result in the appropriate
RPMs being upgraded on your system.
https://access.redhat.com/errata/RHSA-2003:051
Certain weaknesses in the implementation of version 4 of the Kerberos protocol (krb4) in the krb5 distribution, when triple-DES keys are used to key krb4 services, allow an attacker to create krb4 tickets for unauthorized principals using a cut-and-paste attack and "ticket splicing."
Vendor Fix
Before applying this update, make sure all previously released errata
relevant to your system have been applied.
To update all RPMs for your particular architecture, run:
rpm -Fvh [filenames]
where [filenames] is a list of the RPMs you wish to upgrade. Only those
RPMs which are currently installed will be updated. Those RPMs which are
not installed but included in the list will not be updated. Note that you
can also use wildcards (*.rpm) if your current directory *only* contains
the
desired RPMs.
Please note that this update is also available via Red Hat Network. Many
people find this an easier way to apply updates. To use Red Hat Network,
launch the Red Hat Update Agent with the following command:
up2date
This will start an interactive process that will result in the appropriate
RPMs being upgraded on your system.
https://access.redhat.com/errata/RHSA-2003:051
References
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{
"document": {
"aggregate_severity": {
"namespace": "https://access.redhat.com/security/updates/classification/",
"text": "Critical"
},
"category": "csaf_security_advisory",
"csaf_version": "2.0",
"distribution": {
"text": "Copyright \u00a9 Red Hat, Inc. All rights reserved.",
"tlp": {
"label": "WHITE",
"url": "https://www.first.org/tlp/"
}
},
"lang": "en",
"notes": [
{
"category": "summary",
"text": "Updated Kerberos packages fix a number of vulnerabilities found in MIT\nKerberos.",
"title": "Topic"
},
{
"category": "general",
"text": "Kerberos is a network authentication system. The MIT Kerberos team\nreleased an advisory describing a number of vulnerabilities that affect the\nkerberos packages shipped by Red Hat. These vulnerabilities include:\n\nAn integer signedness error in the ASN.1 decoder before version 1.2.5\nallows remote attackers to cause a denial of service (crash) via a large\nunsigned data element length, which is later used as a negative value. The\nCommon Vulnerabilities and Exposures project has assigned the name\nCAN-2002-0036 to this issue. Red Hat Linux 8.0 and later are not affected\nby this issue.\n\nThe Key Distribution Center (KDC) before version 1.2.5 allows remote,\nauthenticated attackers to cause a denial of service (crash) on KDCs within\nthe same realm using a certain protocol request that causes a null\ndereference (CAN-2003-0058). Red Hat Linux 8.0 and later are not affected\nby this issue.\n\nThe Key Distribution Center (KDC) allows remote, authenticated attackers to\ncause a denial of service (crash) on KDCs within the same realm using a\ncertain protocol request that causes an out-of-bounds read of an array\n(CAN-2003-0072).\n\nThe Key Distribution Center (KDC) allows remote, authenticated attackers\nto cause a denial of service (crash) on KDCs within the same realm using a\ncertain protocol request that causes the KDC to corrupt its heap\n(CAN-2003-0082).\n\nA vulnerability in Kerberos before version 1.2.3 allows users from one\nrealm to impersonate users in other realms that have the same inter-realm\nkeys (CAN-2003-0059). Red Hat Linux 7.3 and later are not affected by this\nissue.\n\nThe MIT advisory for these issues also mentions format string\nvulnerabilities in the logging routines (CAN-2003-0060). Previous versions\nof the kerberos packages from Red Hat already contain fixes for this issue.\n\nVulnerabilities have been found in the support for triple-DES keys in the\nimplementation of the Kerberos IV authentication protocol which is included\nin MIT Kerberos (CAN-2003-0139).\n\nVulnerabilities have been found in the Kerberos IV authentication protocol\nwhich allow an attacker with knowledge of a cross-realm key, which is\nshared with another realm, to impersonate any principal in that realm to\nany service in that realm. This vulnerability can only be closed by\ndisabling cross-realm authentication in Kerberos IV (CAN-2003-0138).\n\nVulnerabilities have been found in the RPC library used by the kadmin\nservice in Kerberos 5. A faulty length check in the RPC library exposes\nkadmind to an integer overflow which can be used to crash kadmind\n(CAN-2003-0028).\n\nAll users of Kerberos are advised to upgrade to these errata packages,\nwhich disable cross-realm authentication by default for Kerberos IV and\nwhich contain backported patches that correct these issues.",
"title": "Details"
},
{
"category": "legal_disclaimer",
"text": "This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.",
"title": "Terms of Use"
}
],
"publisher": {
"category": "vendor",
"contact_details": "https://access.redhat.com/security/team/contact/",
"issuing_authority": "Red Hat Product Security is responsible for vulnerability handling across all Red Hat products and services.",
"name": "Red Hat Product Security",
"namespace": "https://www.redhat.com"
},
"references": [
{
"category": "self",
"summary": "https://access.redhat.com/errata/RHSA-2003:051",
"url": "https://access.redhat.com/errata/RHSA-2003:051"
},
{
"category": "external",
"summary": "http://web.mit.edu/kerberos/www/advisories/MITKRB5-SA-2003-005-buf.txt",
"url": "http://web.mit.edu/kerberos/www/advisories/MITKRB5-SA-2003-005-buf.txt"
},
{
"category": "external",
"summary": "http://web.mit.edu/kerberos/www/advisories/MITKRB5-SA-2003-004-krb4.txt",
"url": "http://web.mit.edu/kerberos/www/advisories/MITKRB5-SA-2003-004-krb4.txt"
},
{
"category": "external",
"summary": "http://web.mit.edu/kerberos/www/advisories/MITKRB5-SA-2003-003-xdr.txt",
"url": "http://web.mit.edu/kerberos/www/advisories/MITKRB5-SA-2003-003-xdr.txt"
},
{
"category": "external",
"summary": "http://web.mit.edu/kerberos/www/advisories/MITKRB5-SA-2003-001-multiple.txt",
"url": "http://web.mit.edu/kerberos/www/advisories/MITKRB5-SA-2003-001-multiple.txt"
},
{
"category": "self",
"summary": "Canonical URL",
"url": "https://security.access.redhat.com/data/csaf/v2/advisories/2003/rhsa-2003_051.json"
}
],
"title": "Red Hat Security Advisory: : Updated kerberos packages fix various vulnerabilities",
"tracking": {
"current_release_date": "2024-11-21T22:38:30+00:00",
"generator": {
"date": "2024-11-21T22:38:30+00:00",
"engine": {
"name": "Red Hat SDEngine",
"version": "4.2.1"
}
},
"id": "RHSA-2003:051",
"initial_release_date": "2003-03-26T21:49:00+00:00",
"revision_history": [
{
"date": "2003-03-26T21:49:00+00:00",
"number": "1",
"summary": "Initial version"
},
{
"date": "2003-03-26T00:00:00+00:00",
"number": "2",
"summary": "Last updated version"
},
{
"date": "2024-11-21T22:38:30+00:00",
"number": "3",
"summary": "Last generated version"
}
],
"status": "final",
"version": "3"
}
},
"product_tree": {
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"branches": [
{
"branches": [
{
"category": "product_name",
"name": "Red Hat Linux 6.2",
"product": {
"name": "Red Hat Linux 6.2",
"product_id": "Red Hat Linux 6.2",
"product_identification_helper": {
"cpe": "cpe:/o:redhat:linux:6.2"
}
}
},
{
"category": "product_name",
"name": "Red Hat Linux 7.0",
"product": {
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"product_identification_helper": {
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}
}
},
{
"category": "product_name",
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"product": {
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"product_identification_helper": {
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}
}
},
{
"category": "product_name",
"name": "Red Hat Linux 7.2",
"product": {
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"product_id": "Red Hat Linux 7.2",
"product_identification_helper": {
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}
}
},
{
"category": "product_name",
"name": "Red Hat Linux 7.3",
"product": {
"name": "Red Hat Linux 7.3",
"product_id": "Red Hat Linux 7.3",
"product_identification_helper": {
"cpe": "cpe:/o:redhat:linux:7.3"
}
}
},
{
"category": "product_name",
"name": "Red Hat Linux 8.0",
"product": {
"name": "Red Hat Linux 8.0",
"product_id": "Red Hat Linux 8.0",
"product_identification_helper": {
"cpe": "cpe:/o:redhat:linux:8.0"
}
}
}
],
"category": "product_family",
"name": "Red Hat Linux"
}
],
"category": "vendor",
"name": "Red Hat"
}
]
},
"vulnerabilities": [
{
"cve": "CVE-2002-0036",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "1616724"
}
],
"notes": [
{
"category": "description",
"text": "Integer signedness error in MIT Kerberos V5 ASN.1 decoder before krb5 1.2.5 allows remote attackers to cause a denial of service via a large unsigned data element length, which is later used as a negative value.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "security flaw",
"title": "Vulnerability summary"
}
],
"product_status": {
"fixed": [
"Red Hat Linux 6.2",
"Red Hat Linux 7.0",
"Red Hat Linux 7.1",
"Red Hat Linux 7.2",
"Red Hat Linux 7.3",
"Red Hat Linux 8.0"
]
},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2002-0036"
},
{
"category": "external",
"summary": "RHBZ#1616724",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1616724"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2002-0036",
"url": "https://www.cve.org/CVERecord?id=CVE-2002-0036"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2002-0036",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2002-0036"
}
],
"release_date": "2003-01-29T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2003-03-26T21:49:00+00:00",
"details": "Before applying this update, make sure all previously released errata\nrelevant to your system have been applied.\n\nTo update all RPMs for your particular architecture, run:\n\nrpm -Fvh [filenames]\n\nwhere [filenames] is a list of the RPMs you wish to upgrade. Only those\nRPMs which are currently installed will be updated. Those RPMs which are\nnot installed but included in the list will not be updated. Note that you\ncan also use wildcards (*.rpm) if your current directory *only* contains\nthe\ndesired RPMs.\n\nPlease note that this update is also available via Red Hat Network. Many\npeople find this an easier way to apply updates. To use Red Hat Network,\nlaunch the Red Hat Update Agent with the following command:\n\nup2date\n\nThis will start an interactive process that will result in the appropriate\nRPMs being upgraded on your system.",
"product_ids": [
"Red Hat Linux 6.2",
"Red Hat Linux 7.0",
"Red Hat Linux 7.1",
"Red Hat Linux 7.2",
"Red Hat Linux 7.3",
"Red Hat Linux 8.0"
],
"restart_required": {
"category": "none"
},
"url": "https://access.redhat.com/errata/RHSA-2003:051"
}
],
"threats": [
{
"category": "impact",
"details": "Important"
}
],
"title": "security flaw"
},
{
"cve": "CVE-2003-0028",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "1616941"
}
],
"notes": [
{
"category": "description",
"text": "Integer overflow in the xdrmem_getbytes() function, and possibly other functions, of XDR (external data representation) libraries derived from SunRPC, including libnsl, libc, glibc, and dietlibc, allows remote attackers to execute arbitrary code via certain integer values in length fields, a different vulnerability than CVE-2002-0391.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "security flaw",
"title": "Vulnerability summary"
}
],
"product_status": {
"fixed": [
"Red Hat Linux 6.2",
"Red Hat Linux 7.0",
"Red Hat Linux 7.1",
"Red Hat Linux 7.2",
"Red Hat Linux 7.3",
"Red Hat Linux 8.0"
]
},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2003-0028"
},
{
"category": "external",
"summary": "RHBZ#1616941",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1616941"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2003-0028",
"url": "https://www.cve.org/CVERecord?id=CVE-2003-0028"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2003-0028",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2003-0028"
}
],
"release_date": "2003-03-19T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2003-03-26T21:49:00+00:00",
"details": "Before applying this update, make sure all previously released errata\nrelevant to your system have been applied.\n\nTo update all RPMs for your particular architecture, run:\n\nrpm -Fvh [filenames]\n\nwhere [filenames] is a list of the RPMs you wish to upgrade. Only those\nRPMs which are currently installed will be updated. Those RPMs which are\nnot installed but included in the list will not be updated. Note that you\ncan also use wildcards (*.rpm) if your current directory *only* contains\nthe\ndesired RPMs.\n\nPlease note that this update is also available via Red Hat Network. Many\npeople find this an easier way to apply updates. To use Red Hat Network,\nlaunch the Red Hat Update Agent with the following command:\n\nup2date\n\nThis will start an interactive process that will result in the appropriate\nRPMs being upgraded on your system.",
"product_ids": [
"Red Hat Linux 6.2",
"Red Hat Linux 7.0",
"Red Hat Linux 7.1",
"Red Hat Linux 7.2",
"Red Hat Linux 7.3",
"Red Hat Linux 8.0"
],
"restart_required": {
"category": "none"
},
"url": "https://access.redhat.com/errata/RHSA-2003:051"
}
],
"threats": [
{
"category": "impact",
"details": "Critical"
}
],
"title": "security flaw"
},
{
"cve": "CVE-2003-0058",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "1616945"
}
],
"notes": [
{
"category": "description",
"text": "MIT Kerberos V5 Key Distribution Center (KDC) before 1.2.5 allows remote authenticated attackers to cause a denial of service (crash) on KDCs within the same realm via a certain protocol request that causes a null dereference.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "security flaw",
"title": "Vulnerability summary"
}
],
"product_status": {
"fixed": [
"Red Hat Linux 6.2",
"Red Hat Linux 7.0",
"Red Hat Linux 7.1",
"Red Hat Linux 7.2",
"Red Hat Linux 7.3",
"Red Hat Linux 8.0"
]
},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2003-0058"
},
{
"category": "external",
"summary": "RHBZ#1616945",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1616945"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2003-0058",
"url": "https://www.cve.org/CVERecord?id=CVE-2003-0058"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2003-0058",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2003-0058"
}
],
"release_date": "2003-01-28T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2003-03-26T21:49:00+00:00",
"details": "Before applying this update, make sure all previously released errata\nrelevant to your system have been applied.\n\nTo update all RPMs for your particular architecture, run:\n\nrpm -Fvh [filenames]\n\nwhere [filenames] is a list of the RPMs you wish to upgrade. Only those\nRPMs which are currently installed will be updated. Those RPMs which are\nnot installed but included in the list will not be updated. Note that you\ncan also use wildcards (*.rpm) if your current directory *only* contains\nthe\ndesired RPMs.\n\nPlease note that this update is also available via Red Hat Network. Many\npeople find this an easier way to apply updates. To use Red Hat Network,\nlaunch the Red Hat Update Agent with the following command:\n\nup2date\n\nThis will start an interactive process that will result in the appropriate\nRPMs being upgraded on your system.",
"product_ids": [
"Red Hat Linux 6.2",
"Red Hat Linux 7.0",
"Red Hat Linux 7.1",
"Red Hat Linux 7.2",
"Red Hat Linux 7.3",
"Red Hat Linux 8.0"
],
"restart_required": {
"category": "none"
},
"url": "https://access.redhat.com/errata/RHSA-2003:051"
}
],
"threats": [
{
"category": "impact",
"details": "Moderate"
}
],
"title": "security flaw"
},
{
"cve": "CVE-2003-0059",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "1616946"
}
],
"notes": [
{
"category": "description",
"text": "Unknown vulnerability in the chk_trans.c of the libkrb5 library for MIT Kerberos V5 before 1.2.5 allows users from one realm to impersonate users in other realms that have the same inter-realm keys.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "security flaw",
"title": "Vulnerability summary"
}
],
"product_status": {
"fixed": [
"Red Hat Linux 6.2",
"Red Hat Linux 7.0",
"Red Hat Linux 7.1",
"Red Hat Linux 7.2",
"Red Hat Linux 7.3",
"Red Hat Linux 8.0"
]
},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2003-0059"
},
{
"category": "external",
"summary": "RHBZ#1616946",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1616946"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2003-0059",
"url": "https://www.cve.org/CVERecord?id=CVE-2003-0059"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2003-0059",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2003-0059"
}
],
"release_date": "2003-01-28T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2003-03-26T21:49:00+00:00",
"details": "Before applying this update, make sure all previously released errata\nrelevant to your system have been applied.\n\nTo update all RPMs for your particular architecture, run:\n\nrpm -Fvh [filenames]\n\nwhere [filenames] is a list of the RPMs you wish to upgrade. Only those\nRPMs which are currently installed will be updated. Those RPMs which are\nnot installed but included in the list will not be updated. Note that you\ncan also use wildcards (*.rpm) if your current directory *only* contains\nthe\ndesired RPMs.\n\nPlease note that this update is also available via Red Hat Network. Many\npeople find this an easier way to apply updates. To use Red Hat Network,\nlaunch the Red Hat Update Agent with the following command:\n\nup2date\n\nThis will start an interactive process that will result in the appropriate\nRPMs being upgraded on your system.",
"product_ids": [
"Red Hat Linux 6.2",
"Red Hat Linux 7.0",
"Red Hat Linux 7.1",
"Red Hat Linux 7.2",
"Red Hat Linux 7.3",
"Red Hat Linux 8.0"
],
"restart_required": {
"category": "none"
},
"url": "https://access.redhat.com/errata/RHSA-2003:051"
}
],
"threats": [
{
"category": "impact",
"details": "Moderate"
}
],
"title": "security flaw"
},
{
"cve": "CVE-2003-0072",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "1616953"
}
],
"notes": [
{
"category": "description",
"text": "The Key Distribution Center (KDC) in Kerberos 5 (krb5) 1.2.7 and earlier allows remote, authenticated attackers to cause a denial of service (crash) on KDCs within the same realm using a certain protocol request that causes an out-of-bounds read of an array (aka \"array overrun\").",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "security flaw",
"title": "Vulnerability summary"
}
],
"product_status": {
"fixed": [
"Red Hat Linux 6.2",
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"product_ids": [
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RHSA-2003_052
Vulnerability from csaf_redhat - Published: 2003-03-27 19:43 - Updated: 2024-11-21 22:38Summary
Red Hat Security Advisory: krb5 security update
Severity
Critical
Notes
Topic: Updated kerberos packages fix a number of vulnerabilities found in MIT
Kerberos.
Details: Kerberos is a network authentication system. The MIT Kerberos team
released an advisory describing a number of vulnerabilities that affect the
kerberos packages shipped by Red Hat.
An integer signedness error in the ASN.1 decoder before version 1.2.5
allows remote attackers to cause a denial of service via a large unsigned
data element length, which is later used as a negative value. The Common
Vulnerabilities and Exposures project has assigned the name CAN-2002-0036
to this issue.
The Key Distribution Center (KDC) before version 1.2.5 allows remote,
authenticated, attackers to cause a denial of service (crash) on KDCs
within the same realm via a certain protocol request that:
- causes a null pointer dereference (CAN-2003-0058).
- causes the KDC to corrupt its heap (CAN-2003-0082).
A vulnerability in Kerberos before version 1.2.3 allows users from
one realm to impersonate users in other realms that have the same
inter-realm keys (CAN-2003-0059).
The MIT advisory for these issues also mentions format string
vulnerabilities in the logging routines (CAN-2003-0060). Previous versions
of the kerberos packages from Red Hat already contain fixes for this issue.
Vulnerabilities have been found in the implementation of support for
triple-DES keys in the implementation of the Kerberos IV authentication
protocol included in MIT Kerberos (CAN-2003-0139).
Vulnerabilities have been found in the Kerberos IV authentication protocol
which allow an attacker with knowledge of a cross-realm key that is shared
with another realm to impersonate any principal in that realm to any
service in that realm. This vulnerability can only be closed by disabling
cross-realm authentication in Kerberos IV (CAN-2003-0138).
Vulnerabilities have been found in the RPC library used by the kadmin
service in Kerberos 5. A faulty length check in the RPC library exposes
kadmind to an integer overflow which can be used to crash kadmind
(CAN-2003-0028).
All users of Kerberos are advised to upgrade to these errata packages,
which disable cross-realm authentication by default for Kerberos IV and
which contain backported patches to correct these issues.
Terms of Use: This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.
Integer signedness error in MIT Kerberos V5 ASN.1 decoder before krb5 1.2.5 allows remote attackers to cause a denial of service via a large unsigned data element length, which is later used as a negative value.
Vendor Fix
Before applying this update, make sure all previously released errata
relevant to your system have been applied.
Please note that this update is available via Red Hat Network. To use Red
Hat Network, launch the Red Hat Update Agent with the following command:
up2date
This will start an interactive process that will result in the appropriate
RPMs being upgraded on your system.
https://access.redhat.com/errata/RHSA-2003:052
Integer overflow in the xdrmem_getbytes() function, and possibly other functions, of XDR (external data representation) libraries derived from SunRPC, including libnsl, libc, glibc, and dietlibc, allows remote attackers to execute arbitrary code via certain integer values in length fields, a different vulnerability than CVE-2002-0391.
Vendor Fix
Before applying this update, make sure all previously released errata
relevant to your system have been applied.
Please note that this update is available via Red Hat Network. To use Red
Hat Network, launch the Red Hat Update Agent with the following command:
up2date
This will start an interactive process that will result in the appropriate
RPMs being upgraded on your system.
https://access.redhat.com/errata/RHSA-2003:052
MIT Kerberos V5 Key Distribution Center (KDC) before 1.2.5 allows remote authenticated attackers to cause a denial of service (crash) on KDCs within the same realm via a certain protocol request that causes a null dereference.
Vendor Fix
Before applying this update, make sure all previously released errata
relevant to your system have been applied.
Please note that this update is available via Red Hat Network. To use Red
Hat Network, launch the Red Hat Update Agent with the following command:
up2date
This will start an interactive process that will result in the appropriate
RPMs being upgraded on your system.
https://access.redhat.com/errata/RHSA-2003:052
Unknown vulnerability in the chk_trans.c of the libkrb5 library for MIT Kerberos V5 before 1.2.5 allows users from one realm to impersonate users in other realms that have the same inter-realm keys.
Vendor Fix
Before applying this update, make sure all previously released errata
relevant to your system have been applied.
Please note that this update is available via Red Hat Network. To use Red
Hat Network, launch the Red Hat Update Agent with the following command:
up2date
This will start an interactive process that will result in the appropriate
RPMs being upgraded on your system.
https://access.redhat.com/errata/RHSA-2003:052
The Key Distribution Center (KDC) in Kerberos 5 (krb5) 1.2.7 and earlier allows remote, authenticated attackers to cause a denial of service (crash) on KDCs within the same realm using a certain protocol request that causes an out-of-bounds read of an array (aka "array overrun").
Vendor Fix
Before applying this update, make sure all previously released errata
relevant to your system have been applied.
Please note that this update is available via Red Hat Network. To use Red
Hat Network, launch the Red Hat Update Agent with the following command:
up2date
This will start an interactive process that will result in the appropriate
RPMs being upgraded on your system.
https://access.redhat.com/errata/RHSA-2003:052
The Key Distribution Center (KDC) in Kerberos 5 (krb5) 1.2.7 and earlier allows remote, authenticated attackers to cause a denial of service (crash) on KDCs within the same realm using a certain protocol request that causes the KDC to corrupt its heap (aka "buffer underrun").
Vendor Fix
Before applying this update, make sure all previously released errata
relevant to your system have been applied.
Please note that this update is available via Red Hat Network. To use Red
Hat Network, launch the Red Hat Update Agent with the following command:
up2date
This will start an interactive process that will result in the appropriate
RPMs being upgraded on your system.
https://access.redhat.com/errata/RHSA-2003:052
Version 4 of the Kerberos protocol (krb4), as used in Heimdal and other packages, allows an attacker to impersonate any principal in a realm via a chosen-plaintext attack.
Vendor Fix
Before applying this update, make sure all previously released errata
relevant to your system have been applied.
Please note that this update is available via Red Hat Network. To use Red
Hat Network, launch the Red Hat Update Agent with the following command:
up2date
This will start an interactive process that will result in the appropriate
RPMs being upgraded on your system.
https://access.redhat.com/errata/RHSA-2003:052
Certain weaknesses in the implementation of version 4 of the Kerberos protocol (krb4) in the krb5 distribution, when triple-DES keys are used to key krb4 services, allow an attacker to create krb4 tickets for unauthorized principals using a cut-and-paste attack and "ticket splicing."
Vendor Fix
Before applying this update, make sure all previously released errata
relevant to your system have been applied.
Please note that this update is available via Red Hat Network. To use Red
Hat Network, launch the Red Hat Update Agent with the following command:
up2date
This will start an interactive process that will result in the appropriate
RPMs being upgraded on your system.
https://access.redhat.com/errata/RHSA-2003:052
Double free vulnerabilities in error handling code in krb524d for MIT Kerberos 5 (krb5) 1.2.8 and earlier may allow remote attackers to execute arbitrary code.
Vendor Fix
Before applying this update, make sure all previously released errata
relevant to your system have been applied.
Please note that this update is available via Red Hat Network. To use Red
Hat Network, launch the Red Hat Update Agent with the following command:
up2date
This will start an interactive process that will result in the appropriate
RPMs being upgraded on your system.
https://access.redhat.com/errata/RHSA-2003:052
References
| URL | Category | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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"title": "Details"
},
{
"category": "legal_disclaimer",
"text": "This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.",
"title": "Terms of Use"
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"title": "Red Hat Security Advisory: krb5 security update",
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"date": "2003-03-27T00:00:00+00:00",
"number": "2",
"summary": "Last updated version"
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{
"date": "2024-11-21T22:38:34+00:00",
"number": "3",
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{
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"product_id": "Red Hat Enterprise Linux AS (Advanced Server) version 2.1 ",
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},
{
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{
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},
{
"category": "product_name",
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{
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"ids": [
{
"system_name": "Red Hat Bugzilla ID",
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}
],
"notes": [
{
"category": "description",
"text": "Integer signedness error in MIT Kerberos V5 ASN.1 decoder before krb5 1.2.5 allows remote attackers to cause a denial of service via a large unsigned data element length, which is later used as a negative value.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "security flaw",
"title": "Vulnerability summary"
}
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},
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},
{
"category": "external",
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},
{
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"url": "https://nvd.nist.gov/vuln/detail/CVE-2002-0036"
}
],
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"remediations": [
{
"category": "vendor_fix",
"date": "2003-03-27T19:43:00+00:00",
"details": "Before applying this update, make sure all previously released errata\nrelevant to your system have been applied.\n\nPlease note that this update is available via Red Hat Network. To use Red\nHat Network, launch the Red Hat Update Agent with the following command:\n\nup2date\n\nThis will start an interactive process that will result in the appropriate\nRPMs being upgraded on your system.",
"product_ids": [
"Red Hat Enterprise Linux AS (Advanced Server) version 2.1 ",
"Red Hat Enterprise Linux ES version 2.1",
"Red Hat Enterprise Linux WS version 2.1",
"Red Hat Linux Advanced Workstation 2.1"
],
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"category": "none"
},
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}
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}
],
"title": "security flaw"
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{
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"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "1616941"
}
],
"notes": [
{
"category": "description",
"text": "Integer overflow in the xdrmem_getbytes() function, and possibly other functions, of XDR (external data representation) libraries derived from SunRPC, including libnsl, libc, glibc, and dietlibc, allows remote attackers to execute arbitrary code via certain integer values in length fields, a different vulnerability than CVE-2002-0391.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "security flaw",
"title": "Vulnerability summary"
}
],
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"Red Hat Linux Advanced Workstation 2.1"
]
},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2003-0028"
},
{
"category": "external",
"summary": "RHBZ#1616941",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1616941"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2003-0028",
"url": "https://www.cve.org/CVERecord?id=CVE-2003-0028"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2003-0028",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2003-0028"
}
],
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"remediations": [
{
"category": "vendor_fix",
"date": "2003-03-27T19:43:00+00:00",
"details": "Before applying this update, make sure all previously released errata\nrelevant to your system have been applied.\n\nPlease note that this update is available via Red Hat Network. To use Red\nHat Network, launch the Red Hat Update Agent with the following command:\n\nup2date\n\nThis will start an interactive process that will result in the appropriate\nRPMs being upgraded on your system.",
"product_ids": [
"Red Hat Enterprise Linux AS (Advanced Server) version 2.1 ",
"Red Hat Enterprise Linux ES version 2.1",
"Red Hat Enterprise Linux WS version 2.1",
"Red Hat Linux Advanced Workstation 2.1"
],
"restart_required": {
"category": "none"
},
"url": "https://access.redhat.com/errata/RHSA-2003:052"
}
],
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{
"category": "impact",
"details": "Critical"
}
],
"title": "security flaw"
},
{
"cve": "CVE-2003-0058",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "1616945"
}
],
"notes": [
{
"category": "description",
"text": "MIT Kerberos V5 Key Distribution Center (KDC) before 1.2.5 allows remote authenticated attackers to cause a denial of service (crash) on KDCs within the same realm via a certain protocol request that causes a null dereference.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "security flaw",
"title": "Vulnerability summary"
}
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"Red Hat Enterprise Linux ES version 2.1",
"Red Hat Enterprise Linux WS version 2.1",
"Red Hat Linux Advanced Workstation 2.1"
]
},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2003-0058"
},
{
"category": "external",
"summary": "RHBZ#1616945",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1616945"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2003-0058",
"url": "https://www.cve.org/CVERecord?id=CVE-2003-0058"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2003-0058",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2003-0058"
}
],
"release_date": "2003-01-28T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2003-03-27T19:43:00+00:00",
"details": "Before applying this update, make sure all previously released errata\nrelevant to your system have been applied.\n\nPlease note that this update is available via Red Hat Network. To use Red\nHat Network, launch the Red Hat Update Agent with the following command:\n\nup2date\n\nThis will start an interactive process that will result in the appropriate\nRPMs being upgraded on your system.",
"product_ids": [
"Red Hat Enterprise Linux AS (Advanced Server) version 2.1 ",
"Red Hat Enterprise Linux ES version 2.1",
"Red Hat Enterprise Linux WS version 2.1",
"Red Hat Linux Advanced Workstation 2.1"
],
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"category": "none"
},
"url": "https://access.redhat.com/errata/RHSA-2003:052"
}
],
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{
"category": "impact",
"details": "Moderate"
}
],
"title": "security flaw"
},
{
"cve": "CVE-2003-0059",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "1616946"
}
],
"notes": [
{
"category": "description",
"text": "Unknown vulnerability in the chk_trans.c of the libkrb5 library for MIT Kerberos V5 before 1.2.5 allows users from one realm to impersonate users in other realms that have the same inter-realm keys.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "security flaw",
"title": "Vulnerability summary"
}
],
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"fixed": [
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"Red Hat Enterprise Linux ES version 2.1",
"Red Hat Enterprise Linux WS version 2.1",
"Red Hat Linux Advanced Workstation 2.1"
]
},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2003-0059"
},
{
"category": "external",
"summary": "RHBZ#1616946",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1616946"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2003-0059",
"url": "https://www.cve.org/CVERecord?id=CVE-2003-0059"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2003-0059",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2003-0059"
}
],
"release_date": "2003-01-28T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2003-03-27T19:43:00+00:00",
"details": "Before applying this update, make sure all previously released errata\nrelevant to your system have been applied.\n\nPlease note that this update is available via Red Hat Network. To use Red\nHat Network, launch the Red Hat Update Agent with the following command:\n\nup2date\n\nThis will start an interactive process that will result in the appropriate\nRPMs being upgraded on your system.",
"product_ids": [
"Red Hat Enterprise Linux AS (Advanced Server) version 2.1 ",
"Red Hat Enterprise Linux ES version 2.1",
"Red Hat Enterprise Linux WS version 2.1",
"Red Hat Linux Advanced Workstation 2.1"
],
"restart_required": {
"category": "none"
},
"url": "https://access.redhat.com/errata/RHSA-2003:052"
}
],
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}
],
"title": "security flaw"
},
{
"cve": "CVE-2003-0072",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "1616953"
}
],
"notes": [
{
"category": "description",
"text": "The Key Distribution Center (KDC) in Kerberos 5 (krb5) 1.2.7 and earlier allows remote, authenticated attackers to cause a denial of service (crash) on KDCs within the same realm using a certain protocol request that causes an out-of-bounds read of an array (aka \"array overrun\").",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "security flaw",
"title": "Vulnerability summary"
}
],
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]
},
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{
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"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2003-0072"
},
{
"category": "external",
"summary": "RHBZ#1616953",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1616953"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2003-0072",
"url": "https://www.cve.org/CVERecord?id=CVE-2003-0072"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2003-0072",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2003-0072"
}
],
"release_date": "2003-03-19T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2003-03-27T19:43:00+00:00",
"details": "Before applying this update, make sure all previously released errata\nrelevant to your system have been applied.\n\nPlease note that this update is available via Red Hat Network. To use Red\nHat Network, launch the Red Hat Update Agent with the following command:\n\nup2date\n\nThis will start an interactive process that will result in the appropriate\nRPMs being upgraded on your system.",
"product_ids": [
"Red Hat Enterprise Linux AS (Advanced Server) version 2.1 ",
"Red Hat Enterprise Linux ES version 2.1",
"Red Hat Enterprise Linux WS version 2.1",
"Red Hat Linux Advanced Workstation 2.1"
],
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"category": "none"
},
"url": "https://access.redhat.com/errata/RHSA-2003:052"
}
],
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{
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"details": "Important"
}
],
"title": "security flaw"
},
{
"cve": "CVE-2003-0082",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "1616960"
}
],
"notes": [
{
"category": "description",
"text": "The Key Distribution Center (KDC) in Kerberos 5 (krb5) 1.2.7 and earlier allows remote, authenticated attackers to cause a denial of service (crash) on KDCs within the same realm using a certain protocol request that causes the KDC to corrupt its heap (aka \"buffer underrun\").",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "security flaw",
"title": "Vulnerability summary"
}
],
"product_status": {
"fixed": [
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"Red Hat Enterprise Linux ES version 2.1",
"Red Hat Enterprise Linux WS version 2.1",
"Red Hat Linux Advanced Workstation 2.1"
]
},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2003-0082"
},
{
"category": "external",
"summary": "RHBZ#1616960",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1616960"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2003-0082",
"url": "https://www.cve.org/CVERecord?id=CVE-2003-0082"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2003-0082",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2003-0082"
}
],
"release_date": "2003-03-19T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2003-03-27T19:43:00+00:00",
"details": "Before applying this update, make sure all previously released errata\nrelevant to your system have been applied.\n\nPlease note that this update is available via Red Hat Network. To use Red\nHat Network, launch the Red Hat Update Agent with the following command:\n\nup2date\n\nThis will start an interactive process that will result in the appropriate\nRPMs being upgraded on your system.",
"product_ids": [
"Red Hat Enterprise Linux AS (Advanced Server) version 2.1 ",
"Red Hat Enterprise Linux ES version 2.1",
"Red Hat Enterprise Linux WS version 2.1",
"Red Hat Linux Advanced Workstation 2.1"
],
"restart_required": {
"category": "none"
},
"url": "https://access.redhat.com/errata/RHSA-2003:052"
}
],
"threats": [
{
"category": "impact",
"details": "Important"
}
],
"title": "security flaw"
},
{
"cve": "CVE-2003-0138",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "1616981"
}
],
"notes": [
{
"category": "description",
"text": "Version 4 of the Kerberos protocol (krb4), as used in Heimdal and other packages, allows an attacker to impersonate any principal in a realm via a chosen-plaintext attack.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "security flaw",
"title": "Vulnerability summary"
}
],
"product_status": {
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"Red Hat Enterprise Linux ES version 2.1",
"Red Hat Enterprise Linux WS version 2.1",
"Red Hat Linux Advanced Workstation 2.1"
]
},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2003-0138"
},
{
"category": "external",
"summary": "RHBZ#1616981",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1616981"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2003-0138",
"url": "https://www.cve.org/CVERecord?id=CVE-2003-0138"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2003-0138",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2003-0138"
}
],
"release_date": "2003-03-19T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2003-03-27T19:43:00+00:00",
"details": "Before applying this update, make sure all previously released errata\nrelevant to your system have been applied.\n\nPlease note that this update is available via Red Hat Network. To use Red\nHat Network, launch the Red Hat Update Agent with the following command:\n\nup2date\n\nThis will start an interactive process that will result in the appropriate\nRPMs being upgraded on your system.",
"product_ids": [
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"Red Hat Enterprise Linux ES version 2.1",
"Red Hat Enterprise Linux WS version 2.1",
"Red Hat Linux Advanced Workstation 2.1"
],
"restart_required": {
"category": "none"
},
"url": "https://access.redhat.com/errata/RHSA-2003:052"
}
],
"threats": [
{
"category": "impact",
"details": "Important"
}
],
"title": "security flaw"
},
{
"cve": "CVE-2003-0139",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "1616982"
}
],
"notes": [
{
"category": "description",
"text": "Certain weaknesses in the implementation of version 4 of the Kerberos protocol (krb4) in the krb5 distribution, when triple-DES keys are used to key krb4 services, allow an attacker to create krb4 tickets for unauthorized principals using a cut-and-paste attack and \"ticket splicing.\"",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "security flaw",
"title": "Vulnerability summary"
}
],
"product_status": {
"fixed": [
"Red Hat Enterprise Linux AS (Advanced Server) version 2.1 ",
"Red Hat Enterprise Linux ES version 2.1",
"Red Hat Enterprise Linux WS version 2.1",
"Red Hat Linux Advanced Workstation 2.1"
]
},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2003-0139"
},
{
"category": "external",
"summary": "RHBZ#1616982",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1616982"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2003-0139",
"url": "https://www.cve.org/CVERecord?id=CVE-2003-0139"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2003-0139",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2003-0139"
}
],
"release_date": "2003-03-19T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2003-03-27T19:43:00+00:00",
"details": "Before applying this update, make sure all previously released errata\nrelevant to your system have been applied.\n\nPlease note that this update is available via Red Hat Network. To use Red\nHat Network, launch the Red Hat Update Agent with the following command:\n\nup2date\n\nThis will start an interactive process that will result in the appropriate\nRPMs being upgraded on your system.",
"product_ids": [
"Red Hat Enterprise Linux AS (Advanced Server) version 2.1 ",
"Red Hat Enterprise Linux ES version 2.1",
"Red Hat Enterprise Linux WS version 2.1",
"Red Hat Linux Advanced Workstation 2.1"
],
"restart_required": {
"category": "none"
},
"url": "https://access.redhat.com/errata/RHSA-2003:052"
}
],
"threats": [
{
"category": "impact",
"details": "Important"
}
],
"title": "security flaw"
},
{
"cve": "CVE-2004-0772",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "1617281"
}
],
"notes": [
{
"category": "description",
"text": "Double free vulnerabilities in error handling code in krb524d for MIT Kerberos 5 (krb5) 1.2.8 and earlier may allow remote attackers to execute arbitrary code.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "security flaw",
"title": "Vulnerability summary"
}
],
"product_status": {
"fixed": [
"Red Hat Enterprise Linux AS (Advanced Server) version 2.1 ",
"Red Hat Enterprise Linux ES version 2.1",
"Red Hat Enterprise Linux WS version 2.1",
"Red Hat Linux Advanced Workstation 2.1"
]
},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2004-0772"
},
{
"category": "external",
"summary": "RHBZ#1617281",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1617281"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2004-0772",
"url": "https://www.cve.org/CVERecord?id=CVE-2004-0772"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2004-0772",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2004-0772"
}
],
"release_date": "2003-03-27T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2003-03-27T19:43:00+00:00",
"details": "Before applying this update, make sure all previously released errata\nrelevant to your system have been applied.\n\nPlease note that this update is available via Red Hat Network. To use Red\nHat Network, launch the Red Hat Update Agent with the following command:\n\nup2date\n\nThis will start an interactive process that will result in the appropriate\nRPMs being upgraded on your system.",
"product_ids": [
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"Red Hat Enterprise Linux ES version 2.1",
"Red Hat Enterprise Linux WS version 2.1",
"Red Hat Linux Advanced Workstation 2.1"
],
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RHSA-2003:091
Vulnerability from csaf_redhat - Published: 2003-04-02 09:57 - Updated: 2025-11-21 17:25Summary
Red Hat Security Advisory: : Updated kerberos packages fix various vulnerabilities
Severity
Critical
Notes
Topic: Updated Kerberos packages for Red Hat Linux 9 fix a number of
vulnerabilities found in MIT Kerberos.
Details: Kerberos is a network authentication system. The MIT Kerberos team
released an advisory describing a number of vulnerabilities that affect the
kerberos packages shipped as part of Red Hat Linux 9. These issues include:
Vulnerabilities have been found in the triple-DES key support found in the
implementation of the Kerberos IV authentication protocol included in MIT
Kerberos. The Common Vulnerabilities and Exposures project has assigned
the name CAN-2003-0139 to this issue.
Vulnerabilities have been found in the Kerberos IV authentication protocol
which allow an attacker with knowledge of a cross-realm key, which is
shared with another realm, to impersonate any principal in that realm to
any service in that realm. This vulnerability can only be closed by
disabling cross-realm authentication in Kerberos IV (CAN-2003-0138).
Vulnerabilities have been found in the RPC library used by the kadmin
service in Kerberos 5. A faulty length check in the RPC library exposes
kadmind to an integer overflow which can be used to crash kadmind
(CAN-2003-0028).
The Key Distribution Center (KDC) allows remote, authenticated attackers
to cause a denial of service (crash) on KDCs within the same realm via a
certain protocol request that causes the KDC to corrupt its heap
(CAN-2003-0082).
All users of Kerberos are advised to upgrade to these errata packages,
which disable cross-realm authentication by default for Kerberos IV and
which contain patches that correct these issues.
Terms of Use: This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.
Integer overflow in the xdrmem_getbytes() function, and possibly other functions, of XDR (external data representation) libraries derived from SunRPC, including libnsl, libc, glibc, and dietlibc, allows remote attackers to execute arbitrary code via certain integer values in length fields, a different vulnerability than CVE-2002-0391.
Vendor Fix
Before applying this update, make sure all previously released errata
relevant to your system have been applied.
To update all RPMs for your particular architecture, run:
rpm -Fvh [filenames]
where [filenames] is a list of the RPMs you wish to upgrade. Only those
RPMs which are currently installed will be updated. Those RPMs which are
not installed but included in the list will not be updated. Note that you
can also use wildcards (*.rpm) if your current directory *only* contains the
desired RPMs.
Please note that this update is also available via Red Hat Network. Many
people find this an easier way to apply updates. To use Red Hat Network,
launch the Red Hat Update Agent with the following command:
up2date
This will start an interactive process that will result in the appropriate
RPMs being upgraded on your system.
https://access.redhat.com/errata/RHSA-2003:091
The Key Distribution Center (KDC) in Kerberos 5 (krb5) 1.2.7 and earlier allows remote, authenticated attackers to cause a denial of service (crash) on KDCs within the same realm using a certain protocol request that causes the KDC to corrupt its heap (aka "buffer underrun").
Vendor Fix
Before applying this update, make sure all previously released errata
relevant to your system have been applied.
To update all RPMs for your particular architecture, run:
rpm -Fvh [filenames]
where [filenames] is a list of the RPMs you wish to upgrade. Only those
RPMs which are currently installed will be updated. Those RPMs which are
not installed but included in the list will not be updated. Note that you
can also use wildcards (*.rpm) if your current directory *only* contains the
desired RPMs.
Please note that this update is also available via Red Hat Network. Many
people find this an easier way to apply updates. To use Red Hat Network,
launch the Red Hat Update Agent with the following command:
up2date
This will start an interactive process that will result in the appropriate
RPMs being upgraded on your system.
https://access.redhat.com/errata/RHSA-2003:091
Version 4 of the Kerberos protocol (krb4), as used in Heimdal and other packages, allows an attacker to impersonate any principal in a realm via a chosen-plaintext attack.
Vendor Fix
Before applying this update, make sure all previously released errata
relevant to your system have been applied.
To update all RPMs for your particular architecture, run:
rpm -Fvh [filenames]
where [filenames] is a list of the RPMs you wish to upgrade. Only those
RPMs which are currently installed will be updated. Those RPMs which are
not installed but included in the list will not be updated. Note that you
can also use wildcards (*.rpm) if your current directory *only* contains the
desired RPMs.
Please note that this update is also available via Red Hat Network. Many
people find this an easier way to apply updates. To use Red Hat Network,
launch the Red Hat Update Agent with the following command:
up2date
This will start an interactive process that will result in the appropriate
RPMs being upgraded on your system.
https://access.redhat.com/errata/RHSA-2003:091
Certain weaknesses in the implementation of version 4 of the Kerberos protocol (krb4) in the krb5 distribution, when triple-DES keys are used to key krb4 services, allow an attacker to create krb4 tickets for unauthorized principals using a cut-and-paste attack and "ticket splicing."
Vendor Fix
Before applying this update, make sure all previously released errata
relevant to your system have been applied.
To update all RPMs for your particular architecture, run:
rpm -Fvh [filenames]
where [filenames] is a list of the RPMs you wish to upgrade. Only those
RPMs which are currently installed will be updated. Those RPMs which are
not installed but included in the list will not be updated. Note that you
can also use wildcards (*.rpm) if your current directory *only* contains the
desired RPMs.
Please note that this update is also available via Red Hat Network. Many
people find this an easier way to apply updates. To use Red Hat Network,
launch the Red Hat Update Agent with the following command:
up2date
This will start an interactive process that will result in the appropriate
RPMs being upgraded on your system.
https://access.redhat.com/errata/RHSA-2003:091
References
| URL | Category | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
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"title": "Details"
},
{
"category": "legal_disclaimer",
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"notes": [
{
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"text": "Integer overflow in the xdrmem_getbytes() function, and possibly other functions, of XDR (external data representation) libraries derived from SunRPC, including libnsl, libc, glibc, and dietlibc, allows remote attackers to execute arbitrary code via certain integer values in length fields, a different vulnerability than CVE-2002-0391.",
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],
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{
"category": "vendor_fix",
"date": "2003-04-02T09:57:00+00:00",
"details": "Before applying this update, make sure all previously released errata\nrelevant to your system have been applied.\n\nTo update all RPMs for your particular architecture, run:\n\nrpm -Fvh [filenames]\n\nwhere [filenames] is a list of the RPMs you wish to upgrade. Only those\nRPMs which are currently installed will be updated. Those RPMs which are\nnot installed but included in the list will not be updated. Note that you\ncan also use wildcards (*.rpm) if your current directory *only* contains the\ndesired RPMs.\n\nPlease note that this update is also available via Red Hat Network. Many\npeople find this an easier way to apply updates. To use Red Hat Network,\nlaunch the Red Hat Update Agent with the following command:\n\nup2date\n\nThis will start an interactive process that will result in the appropriate\nRPMs being upgraded on your system.",
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"notes": [
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"text": "The Key Distribution Center (KDC) in Kerberos 5 (krb5) 1.2.7 and earlier allows remote, authenticated attackers to cause a denial of service (crash) on KDCs within the same realm using a certain protocol request that causes the KDC to corrupt its heap (aka \"buffer underrun\").",
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}
],
"release_date": "2003-03-19T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2003-04-02T09:57:00+00:00",
"details": "Before applying this update, make sure all previously released errata\nrelevant to your system have been applied.\n\nTo update all RPMs for your particular architecture, run:\n\nrpm -Fvh [filenames]\n\nwhere [filenames] is a list of the RPMs you wish to upgrade. Only those\nRPMs which are currently installed will be updated. Those RPMs which are\nnot installed but included in the list will not be updated. Note that you\ncan also use wildcards (*.rpm) if your current directory *only* contains the\ndesired RPMs.\n\nPlease note that this update is also available via Red Hat Network. Many\npeople find this an easier way to apply updates. To use Red Hat Network,\nlaunch the Red Hat Update Agent with the following command:\n\nup2date\n\nThis will start an interactive process that will result in the appropriate\nRPMs being upgraded on your system.",
"product_ids": [
"Red Hat Linux 9"
],
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},
"url": "https://access.redhat.com/errata/RHSA-2003:091"
}
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}
],
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{
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}
],
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},
{
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],
"release_date": "2003-03-19T00:00:00+00:00",
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{
"category": "vendor_fix",
"date": "2003-04-02T09:57:00+00:00",
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"product_ids": [
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}
],
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"category": "description",
"text": "Certain weaknesses in the implementation of version 4 of the Kerberos protocol (krb4) in the krb5 distribution, when triple-DES keys are used to key krb4 services, allow an attacker to create krb4 tickets for unauthorized principals using a cut-and-paste attack and \"ticket splicing.\"",
"title": "Vulnerability description"
},
{
"category": "summary",
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}
],
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},
{
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}
],
"release_date": "2003-03-19T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2003-04-02T09:57:00+00:00",
"details": "Before applying this update, make sure all previously released errata\nrelevant to your system have been applied.\n\nTo update all RPMs for your particular architecture, run:\n\nrpm -Fvh [filenames]\n\nwhere [filenames] is a list of the RPMs you wish to upgrade. Only those\nRPMs which are currently installed will be updated. Those RPMs which are\nnot installed but included in the list will not be updated. Note that you\ncan also use wildcards (*.rpm) if your current directory *only* contains the\ndesired RPMs.\n\nPlease note that this update is also available via Red Hat Network. Many\npeople find this an easier way to apply updates. To use Red Hat Network,\nlaunch the Red Hat Update Agent with the following command:\n\nup2date\n\nThis will start an interactive process that will result in the appropriate\nRPMs being upgraded on your system.",
"product_ids": [
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],
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"title": "security flaw"
}
]
}
RHSA-2003_168
Vulnerability from csaf_redhat - Published: 2003-04-29 21:21 - Updated: 2024-11-21 22:38Summary
Red Hat Security Advisory: : : : Updated kerberos packages fix various vulnerabilities
Severity
Critical
Notes
Topic: Updated Kerberos packages for IBM iSeries and pSeries systems fix a number
of vulnerabilities found in MIT Kerberos.
Details: Kerberos is a network authentication system. The MIT Kerberos team
released an advisory describing a number of vulnerabilities that affect the
kerberos packages shipped by Red Hat. These vulnerabilities include:
An integer signedness error in the ASN.1 decoder before version 1.2.5
allows remote attackers to cause a denial of service (crash) via a large
unsigned data element length, which is later used as a negative value. The
Common Vulnerabilities and Exposures project has assigned the name
CAN-2002-0036 to this issue.
The Key Distribution Center (KDC) before version 1.2.5 allows remote,
authenticated attackers to cause a denial of service (crash) on KDCs within
the same realm using a certain protocol request that causes a null
dereference (CAN-2003-0058).
The Key Distribution Center (KDC) allows remote, authenticated attackers to
cause a denial of service (crash) on KDCs within the same realm using a
certain protocol request that causes an out-of-bounds read of an array
(CAN-2003-0072).
The Key Distribution Center (KDC) allows remote, authenticated attackers
to cause a denial of service (crash) on KDCs within the same realm using a
certain protocol request that causes the KDC to corrupt its heap
(CAN-2003-0082).
A vulnerability in Kerberos before version 1.2.3 allows users from one
realm to impersonate users in other realms that have the same inter-realm
keys (CAN-2003-0059).
The MIT advisory for these issues also mentions format string
vulnerabilities in the logging routines (CAN-2003-0060). Previous versions
of the kerberos packages from Red Hat already contain fixes for this issue.
Vulnerabilities have been found in the support for triple-DES keys in the
implementation of the Kerberos IV authentication protocol, which is
included in MIT Kerberos (CAN-2003-0139).
Vulnerabilities have been found in the Kerberos IV authentication protocol
that allow an attacker with knowledge of a cross-realm key, which is
shared with another realm, to impersonate any principal in that realm to
any service in that realm. This vulnerability can only be closed by
disabling cross-realm authentication in Kerberos IV (CAN-2003-0138).
Vulnerabilities have been found in the RPC library used by the kadmin
service in Kerberos 5. A faulty length check in the RPC library exposes
kadmind to an integer overflow, which can be used to crash kadmind
(CAN-2003-0028).
The Kerberos 5 network authentication system contains an RPC library which
includes an XDR decoder derived from Sun's RPC implementation. The Sun
implementation was recently demonstrated to be vulnerable to a heap
overflow. It is believed that the attacker needs to be able to
authenticate to the kadmin daemon for this attack to be successful
(CVE-2002-0391).
A stack buffer overflow was found in the implementation of the Kerberos v4
compatibility administration daemon (kadmind4), which is part of the the
MIT krb5 distribution, but not enabled or used by default in Red Hat Linux.
This vulnerability could be exploited to gain unauthorized root access to a
KDC host. The attacker does not need to authenticate to the daemon to
successfully perform this attack (CAN-2002-1235).
A problem has been found in the Kerberos ftp client. When retrieving a
file with a filename beginning with a pipe character, the ftp client will
pass the filename to the command shell in a system() call. This could
allow a malicious ftp server to write to files outside of the current
directory or execute commands as the user running the ftp client
(CAN-2003-0041).
All users of Kerberos are advised to upgrade to these errata packages,
which disable cross-realm authentication by default for Kerberos IV and
which contain backported patches that correct these issues.
Terms of Use: This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.
Integer signedness error in MIT Kerberos V5 ASN.1 decoder before krb5 1.2.5 allows remote attackers to cause a denial of service via a large unsigned data element length, which is later used as a negative value.
Vendor Fix
Before applying this update, make sure all previously released errata
relevant to your system have been applied.
To update all RPMs for your particular architecture, run:
rpm -Fvh [filenames]
where [filenames] is a list of the RPMs you wish to upgrade. Only those
RPMs which are currently installed will be updated. Those RPMs which are
not installed but included in the list will not be updated. Note that you
can also use wildcards (*.rpm) if your current directory *only* contains
the
desired RPMs.
Please note that this update is also available via Red Hat Network. Many
people find this an easier way to apply updates. To use Red Hat Network,
launch the Red Hat Update Agent with the following command:
up2date
This will start an interactive process that will result in the appropriate
RPMs being upgraded on your system.
https://access.redhat.com/errata/RHSA-2003:168
Integer overflow in xdr_array function in RPC servers for operating systems that use libc, glibc, or other code based on SunRPC including dietlibc, allows remote attackers to execute arbitrary code by passing a large number of arguments to xdr_array through RPC services such as rpc.cmsd and dmispd.
Vendor Fix
Before applying this update, make sure all previously released errata
relevant to your system have been applied.
To update all RPMs for your particular architecture, run:
rpm -Fvh [filenames]
where [filenames] is a list of the RPMs you wish to upgrade. Only those
RPMs which are currently installed will be updated. Those RPMs which are
not installed but included in the list will not be updated. Note that you
can also use wildcards (*.rpm) if your current directory *only* contains
the
desired RPMs.
Please note that this update is also available via Red Hat Network. Many
people find this an easier way to apply updates. To use Red Hat Network,
launch the Red Hat Update Agent with the following command:
up2date
This will start an interactive process that will result in the appropriate
RPMs being upgraded on your system.
https://access.redhat.com/errata/RHSA-2003:168
The kadm_ser_in function in (1) the Kerberos v4compatibility administration daemon (kadmind4) in the MIT Kerberos 5 (krb5) krb5-1.2.6 and earlier, (2) kadmind in KTH Kerberos 4 (eBones) before 1.2.1, and (3) kadmind in KTH Kerberos 5 (Heimdal) before 0.5.1 when compiled with Kerberos 4 support, does not properly verify the length field of a request, which allows remote attackers to execute arbitrary code via a buffer overflow attack.
Vendor Fix
Before applying this update, make sure all previously released errata
relevant to your system have been applied.
To update all RPMs for your particular architecture, run:
rpm -Fvh [filenames]
where [filenames] is a list of the RPMs you wish to upgrade. Only those
RPMs which are currently installed will be updated. Those RPMs which are
not installed but included in the list will not be updated. Note that you
can also use wildcards (*.rpm) if your current directory *only* contains
the
desired RPMs.
Please note that this update is also available via Red Hat Network. Many
people find this an easier way to apply updates. To use Red Hat Network,
launch the Red Hat Update Agent with the following command:
up2date
This will start an interactive process that will result in the appropriate
RPMs being upgraded on your system.
https://access.redhat.com/errata/RHSA-2003:168
Integer overflow in the xdrmem_getbytes() function, and possibly other functions, of XDR (external data representation) libraries derived from SunRPC, including libnsl, libc, glibc, and dietlibc, allows remote attackers to execute arbitrary code via certain integer values in length fields, a different vulnerability than CVE-2002-0391.
Vendor Fix
Before applying this update, make sure all previously released errata
relevant to your system have been applied.
To update all RPMs for your particular architecture, run:
rpm -Fvh [filenames]
where [filenames] is a list of the RPMs you wish to upgrade. Only those
RPMs which are currently installed will be updated. Those RPMs which are
not installed but included in the list will not be updated. Note that you
can also use wildcards (*.rpm) if your current directory *only* contains
the
desired RPMs.
Please note that this update is also available via Red Hat Network. Many
people find this an easier way to apply updates. To use Red Hat Network,
launch the Red Hat Update Agent with the following command:
up2date
This will start an interactive process that will result in the appropriate
RPMs being upgraded on your system.
https://access.redhat.com/errata/RHSA-2003:168
Kerberos FTP client allows remote FTP sites to execute arbitrary code via a pipe (|) character in a filename that is retrieved by the client.
Vendor Fix
Before applying this update, make sure all previously released errata
relevant to your system have been applied.
To update all RPMs for your particular architecture, run:
rpm -Fvh [filenames]
where [filenames] is a list of the RPMs you wish to upgrade. Only those
RPMs which are currently installed will be updated. Those RPMs which are
not installed but included in the list will not be updated. Note that you
can also use wildcards (*.rpm) if your current directory *only* contains
the
desired RPMs.
Please note that this update is also available via Red Hat Network. Many
people find this an easier way to apply updates. To use Red Hat Network,
launch the Red Hat Update Agent with the following command:
up2date
This will start an interactive process that will result in the appropriate
RPMs being upgraded on your system.
https://access.redhat.com/errata/RHSA-2003:168
MIT Kerberos V5 Key Distribution Center (KDC) before 1.2.5 allows remote authenticated attackers to cause a denial of service (crash) on KDCs within the same realm via a certain protocol request that causes a null dereference.
Vendor Fix
Before applying this update, make sure all previously released errata
relevant to your system have been applied.
To update all RPMs for your particular architecture, run:
rpm -Fvh [filenames]
where [filenames] is a list of the RPMs you wish to upgrade. Only those
RPMs which are currently installed will be updated. Those RPMs which are
not installed but included in the list will not be updated. Note that you
can also use wildcards (*.rpm) if your current directory *only* contains
the
desired RPMs.
Please note that this update is also available via Red Hat Network. Many
people find this an easier way to apply updates. To use Red Hat Network,
launch the Red Hat Update Agent with the following command:
up2date
This will start an interactive process that will result in the appropriate
RPMs being upgraded on your system.
https://access.redhat.com/errata/RHSA-2003:168
Unknown vulnerability in the chk_trans.c of the libkrb5 library for MIT Kerberos V5 before 1.2.5 allows users from one realm to impersonate users in other realms that have the same inter-realm keys.
Vendor Fix
Before applying this update, make sure all previously released errata
relevant to your system have been applied.
To update all RPMs for your particular architecture, run:
rpm -Fvh [filenames]
where [filenames] is a list of the RPMs you wish to upgrade. Only those
RPMs which are currently installed will be updated. Those RPMs which are
not installed but included in the list will not be updated. Note that you
can also use wildcards (*.rpm) if your current directory *only* contains
the
desired RPMs.
Please note that this update is also available via Red Hat Network. Many
people find this an easier way to apply updates. To use Red Hat Network,
launch the Red Hat Update Agent with the following command:
up2date
This will start an interactive process that will result in the appropriate
RPMs being upgraded on your system.
https://access.redhat.com/errata/RHSA-2003:168
The Key Distribution Center (KDC) in Kerberos 5 (krb5) 1.2.7 and earlier allows remote, authenticated attackers to cause a denial of service (crash) on KDCs within the same realm using a certain protocol request that causes an out-of-bounds read of an array (aka "array overrun").
Vendor Fix
Before applying this update, make sure all previously released errata
relevant to your system have been applied.
To update all RPMs for your particular architecture, run:
rpm -Fvh [filenames]
where [filenames] is a list of the RPMs you wish to upgrade. Only those
RPMs which are currently installed will be updated. Those RPMs which are
not installed but included in the list will not be updated. Note that you
can also use wildcards (*.rpm) if your current directory *only* contains
the
desired RPMs.
Please note that this update is also available via Red Hat Network. Many
people find this an easier way to apply updates. To use Red Hat Network,
launch the Red Hat Update Agent with the following command:
up2date
This will start an interactive process that will result in the appropriate
RPMs being upgraded on your system.
https://access.redhat.com/errata/RHSA-2003:168
The Key Distribution Center (KDC) in Kerberos 5 (krb5) 1.2.7 and earlier allows remote, authenticated attackers to cause a denial of service (crash) on KDCs within the same realm using a certain protocol request that causes the KDC to corrupt its heap (aka "buffer underrun").
Vendor Fix
Before applying this update, make sure all previously released errata
relevant to your system have been applied.
To update all RPMs for your particular architecture, run:
rpm -Fvh [filenames]
where [filenames] is a list of the RPMs you wish to upgrade. Only those
RPMs which are currently installed will be updated. Those RPMs which are
not installed but included in the list will not be updated. Note that you
can also use wildcards (*.rpm) if your current directory *only* contains
the
desired RPMs.
Please note that this update is also available via Red Hat Network. Many
people find this an easier way to apply updates. To use Red Hat Network,
launch the Red Hat Update Agent with the following command:
up2date
This will start an interactive process that will result in the appropriate
RPMs being upgraded on your system.
https://access.redhat.com/errata/RHSA-2003:168
Version 4 of the Kerberos protocol (krb4), as used in Heimdal and other packages, allows an attacker to impersonate any principal in a realm via a chosen-plaintext attack.
Vendor Fix
Before applying this update, make sure all previously released errata
relevant to your system have been applied.
To update all RPMs for your particular architecture, run:
rpm -Fvh [filenames]
where [filenames] is a list of the RPMs you wish to upgrade. Only those
RPMs which are currently installed will be updated. Those RPMs which are
not installed but included in the list will not be updated. Note that you
can also use wildcards (*.rpm) if your current directory *only* contains
the
desired RPMs.
Please note that this update is also available via Red Hat Network. Many
people find this an easier way to apply updates. To use Red Hat Network,
launch the Red Hat Update Agent with the following command:
up2date
This will start an interactive process that will result in the appropriate
RPMs being upgraded on your system.
https://access.redhat.com/errata/RHSA-2003:168
Certain weaknesses in the implementation of version 4 of the Kerberos protocol (krb4) in the krb5 distribution, when triple-DES keys are used to key krb4 services, allow an attacker to create krb4 tickets for unauthorized principals using a cut-and-paste attack and "ticket splicing."
Vendor Fix
Before applying this update, make sure all previously released errata
relevant to your system have been applied.
To update all RPMs for your particular architecture, run:
rpm -Fvh [filenames]
where [filenames] is a list of the RPMs you wish to upgrade. Only those
RPMs which are currently installed will be updated. Those RPMs which are
not installed but included in the list will not be updated. Note that you
can also use wildcards (*.rpm) if your current directory *only* contains
the
desired RPMs.
Please note that this update is also available via Red Hat Network. Many
people find this an easier way to apply updates. To use Red Hat Network,
launch the Red Hat Update Agent with the following command:
up2date
This will start an interactive process that will result in the appropriate
RPMs being upgraded on your system.
https://access.redhat.com/errata/RHSA-2003:168
References
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{
"document": {
"aggregate_severity": {
"namespace": "https://access.redhat.com/security/updates/classification/",
"text": "Critical"
},
"category": "csaf_security_advisory",
"csaf_version": "2.0",
"distribution": {
"text": "Copyright \u00a9 Red Hat, Inc. All rights reserved.",
"tlp": {
"label": "WHITE",
"url": "https://www.first.org/tlp/"
}
},
"lang": "en",
"notes": [
{
"category": "summary",
"text": "Updated Kerberos packages for IBM iSeries and pSeries systems fix a number\nof vulnerabilities found in MIT Kerberos.",
"title": "Topic"
},
{
"category": "general",
"text": "Kerberos is a network authentication system. The MIT Kerberos team\nreleased an advisory describing a number of vulnerabilities that affect the\nkerberos packages shipped by Red Hat. These vulnerabilities include:\n\nAn integer signedness error in the ASN.1 decoder before version 1.2.5\nallows remote attackers to cause a denial of service (crash) via a large\nunsigned data element length, which is later used as a negative value. The\nCommon Vulnerabilities and Exposures project has assigned the name\nCAN-2002-0036 to this issue. \n\nThe Key Distribution Center (KDC) before version 1.2.5 allows remote,\nauthenticated attackers to cause a denial of service (crash) on KDCs within\nthe same realm using a certain protocol request that causes a null\ndereference (CAN-2003-0058). \n\nThe Key Distribution Center (KDC) allows remote, authenticated attackers to\ncause a denial of service (crash) on KDCs within the same realm using a\ncertain protocol request that causes an out-of-bounds read of an array\n(CAN-2003-0072).\n\nThe Key Distribution Center (KDC) allows remote, authenticated attackers\nto cause a denial of service (crash) on KDCs within the same realm using a\ncertain protocol request that causes the KDC to corrupt its heap\n(CAN-2003-0082).\n\nA vulnerability in Kerberos before version 1.2.3 allows users from one\nrealm to impersonate users in other realms that have the same inter-realm\nkeys (CAN-2003-0059). \n\nThe MIT advisory for these issues also mentions format string\nvulnerabilities in the logging routines (CAN-2003-0060). Previous versions\nof the kerberos packages from Red Hat already contain fixes for this issue.\n\nVulnerabilities have been found in the support for triple-DES keys in the\nimplementation of the Kerberos IV authentication protocol, which is\nincluded in MIT Kerberos (CAN-2003-0139).\n\nVulnerabilities have been found in the Kerberos IV authentication protocol\nthat allow an attacker with knowledge of a cross-realm key, which is\nshared with another realm, to impersonate any principal in that realm to\nany service in that realm. This vulnerability can only be closed by\ndisabling cross-realm authentication in Kerberos IV (CAN-2003-0138).\n\nVulnerabilities have been found in the RPC library used by the kadmin\nservice in Kerberos 5. A faulty length check in the RPC library exposes\nkadmind to an integer overflow, which can be used to crash kadmind\n(CAN-2003-0028).\n\nThe Kerberos 5 network authentication system contains an RPC library which\nincludes an XDR decoder derived from Sun\u0027s RPC implementation. The Sun\nimplementation was recently demonstrated to be vulnerable to a heap\noverflow. It is believed that the attacker needs to be able to\nauthenticate to the kadmin daemon for this attack to be successful\n(CVE-2002-0391).\n\nA stack buffer overflow was found in the implementation of the Kerberos v4\ncompatibility administration daemon (kadmind4), which is part of the the\nMIT krb5 distribution, but not enabled or used by default in Red Hat Linux.\nThis vulnerability could be exploited to gain unauthorized root access to a\nKDC host. The attacker does not need to authenticate to the daemon to\nsuccessfully perform this attack (CAN-2002-1235).\n\nA problem has been found in the Kerberos ftp client. When retrieving a\nfile with a filename beginning with a pipe character, the ftp client will\npass the filename to the command shell in a system() call. This could\nallow a malicious ftp server to write to files outside of the current\ndirectory or execute commands as the user running the ftp client\n(CAN-2003-0041).\n\nAll users of Kerberos are advised to upgrade to these errata packages,\nwhich disable cross-realm authentication by default for Kerberos IV and\nwhich contain backported patches that correct these issues.",
"title": "Details"
},
{
"category": "legal_disclaimer",
"text": "This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.",
"title": "Terms of Use"
}
],
"publisher": {
"category": "vendor",
"contact_details": "https://access.redhat.com/security/team/contact/",
"issuing_authority": "Red Hat Product Security is responsible for vulnerability handling across all Red Hat products and services.",
"name": "Red Hat Product Security",
"namespace": "https://www.redhat.com"
},
"references": [
{
"category": "self",
"summary": "https://access.redhat.com/errata/RHSA-2003:168",
"url": "https://access.redhat.com/errata/RHSA-2003:168"
},
{
"category": "external",
"summary": "http://web.mit.edu/kerberos/www/advisories/MITKRB5-SA-2003-005-buf.txt",
"url": "http://web.mit.edu/kerberos/www/advisories/MITKRB5-SA-2003-005-buf.txt"
},
{
"category": "external",
"summary": "http://web.mit.edu/kerberos/www/advisories/MITKRB5-SA-2003-004-krb4.txt",
"url": "http://web.mit.edu/kerberos/www/advisories/MITKRB5-SA-2003-004-krb4.txt"
},
{
"category": "external",
"summary": "http://web.mit.edu/kerberos/www/advisories/MITKRB5-SA-2003-003-xdr.txt",
"url": "http://web.mit.edu/kerberos/www/advisories/MITKRB5-SA-2003-003-xdr.txt"
},
{
"category": "external",
"summary": "http://web.mit.edu/kerberos/www/advisories/MITKRB5-SA-2003-001-multiple.txt",
"url": "http://web.mit.edu/kerberos/www/advisories/MITKRB5-SA-2003-001-multiple.txt"
},
{
"category": "external",
"summary": "http://web.mit.edu/kerberos/www/advisories/MITKRB5-SA-2002-002-kadm4.txt",
"url": "http://web.mit.edu/kerberos/www/advisories/MITKRB5-SA-2002-002-kadm4.txt"
},
{
"category": "external",
"summary": "http://www.kb.cert.org/vuls/id/258721",
"url": "http://www.kb.cert.org/vuls/id/258721"
},
{
"category": "self",
"summary": "Canonical URL",
"url": "https://security.access.redhat.com/data/csaf/v2/advisories/2003/rhsa-2003_168.json"
}
],
"title": "Red Hat Security Advisory: : : : Updated kerberos packages fix various vulnerabilities",
"tracking": {
"current_release_date": "2024-11-21T22:38:50+00:00",
"generator": {
"date": "2024-11-21T22:38:50+00:00",
"engine": {
"name": "Red Hat SDEngine",
"version": "4.2.1"
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},
"id": "RHSA-2003:168",
"initial_release_date": "2003-04-29T21:21:00+00:00",
"revision_history": [
{
"date": "2003-04-29T21:21:00+00:00",
"number": "1",
"summary": "Initial version"
},
{
"date": "2003-04-29T00:00:00+00:00",
"number": "2",
"summary": "Last updated version"
},
{
"date": "2024-11-21T22:38:50+00:00",
"number": "3",
"summary": "Last generated version"
}
],
"status": "final",
"version": "3"
}
},
"product_tree": {
"branches": [
{
"branches": [
{
"branches": [
{
"category": "product_name",
"name": "Red Hat Linux 7.1",
"product": {
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"product_id": "Red Hat Linux 7.1",
"product_identification_helper": {
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}
],
"category": "product_family",
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],
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"name": "Red Hat"
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]
},
"vulnerabilities": [
{
"cve": "CVE-2002-0036",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "1616724"
}
],
"notes": [
{
"category": "description",
"text": "Integer signedness error in MIT Kerberos V5 ASN.1 decoder before krb5 1.2.5 allows remote attackers to cause a denial of service via a large unsigned data element length, which is later used as a negative value.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "security flaw",
"title": "Vulnerability summary"
}
],
"product_status": {
"fixed": [
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]
},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2002-0036"
},
{
"category": "external",
"summary": "RHBZ#1616724",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1616724"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2002-0036",
"url": "https://www.cve.org/CVERecord?id=CVE-2002-0036"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2002-0036",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2002-0036"
}
],
"release_date": "2003-01-29T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2003-04-29T21:21:00+00:00",
"details": "Before applying this update, make sure all previously released errata\nrelevant to your system have been applied.\n\nTo update all RPMs for your particular architecture, run:\n\nrpm -Fvh [filenames]\n\nwhere [filenames] is a list of the RPMs you wish to upgrade. Only those\nRPMs which are currently installed will be updated. Those RPMs which are\nnot installed but included in the list will not be updated. Note that you\ncan also use wildcards (*.rpm) if your current directory *only* contains\nthe\ndesired RPMs.\n\nPlease note that this update is also available via Red Hat Network. Many\npeople find this an easier way to apply updates. To use Red Hat Network,\nlaunch the Red Hat Update Agent with the following command:\n\nup2date\n\nThis will start an interactive process that will result in the appropriate\nRPMs being upgraded on your system.",
"product_ids": [
"Red Hat Linux 7.1"
],
"restart_required": {
"category": "none"
},
"url": "https://access.redhat.com/errata/RHSA-2003:168"
}
],
"threats": [
{
"category": "impact",
"details": "Important"
}
],
"title": "security flaw"
},
{
"cve": "CVE-2002-0391",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "1616771"
}
],
"notes": [
{
"category": "description",
"text": "Integer overflow in xdr_array function in RPC servers for operating systems that use libc, glibc, or other code based on SunRPC including dietlibc, allows remote attackers to execute arbitrary code by passing a large number of arguments to xdr_array through RPC services such as rpc.cmsd and dmispd.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "security flaw",
"title": "Vulnerability summary"
}
],
"product_status": {
"fixed": [
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]
},
"references": [
{
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"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2002-0391"
},
{
"category": "external",
"summary": "RHBZ#1616771",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1616771"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2002-0391",
"url": "https://www.cve.org/CVERecord?id=CVE-2002-0391"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2002-0391",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2002-0391"
}
],
"release_date": "2002-07-29T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2003-04-29T21:21:00+00:00",
"details": "Before applying this update, make sure all previously released errata\nrelevant to your system have been applied.\n\nTo update all RPMs for your particular architecture, run:\n\nrpm -Fvh [filenames]\n\nwhere [filenames] is a list of the RPMs you wish to upgrade. Only those\nRPMs which are currently installed will be updated. Those RPMs which are\nnot installed but included in the list will not be updated. Note that you\ncan also use wildcards (*.rpm) if your current directory *only* contains\nthe\ndesired RPMs.\n\nPlease note that this update is also available via Red Hat Network. Many\npeople find this an easier way to apply updates. To use Red Hat Network,\nlaunch the Red Hat Update Agent with the following command:\n\nup2date\n\nThis will start an interactive process that will result in the appropriate\nRPMs being upgraded on your system.",
"product_ids": [
"Red Hat Linux 7.1"
],
"restart_required": {
"category": "none"
},
"url": "https://access.redhat.com/errata/RHSA-2003:168"
}
],
"threats": [
{
"category": "impact",
"details": "Important"
}
],
"title": "security flaw"
},
{
"cve": "CVE-2002-1235",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "1616862"
}
],
"notes": [
{
"category": "description",
"text": "The kadm_ser_in function in (1) the Kerberos v4compatibility administration daemon (kadmind4) in the MIT Kerberos 5 (krb5) krb5-1.2.6 and earlier, (2) kadmind in KTH Kerberos 4 (eBones) before 1.2.1, and (3) kadmind in KTH Kerberos 5 (Heimdal) before 0.5.1 when compiled with Kerberos 4 support, does not properly verify the length field of a request, which allows remote attackers to execute arbitrary code via a buffer overflow attack.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "security flaw",
"title": "Vulnerability summary"
}
],
"product_status": {
"fixed": [
"Red Hat Linux 7.1"
]
},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2002-1235"
},
{
"category": "external",
"summary": "RHBZ#1616862",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1616862"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2002-1235",
"url": "https://www.cve.org/CVERecord?id=CVE-2002-1235"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2002-1235",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2002-1235"
}
],
"release_date": "2002-10-23T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2003-04-29T21:21:00+00:00",
"details": "Before applying this update, make sure all previously released errata\nrelevant to your system have been applied.\n\nTo update all RPMs for your particular architecture, run:\n\nrpm -Fvh [filenames]\n\nwhere [filenames] is a list of the RPMs you wish to upgrade. Only those\nRPMs which are currently installed will be updated. Those RPMs which are\nnot installed but included in the list will not be updated. Note that you\ncan also use wildcards (*.rpm) if your current directory *only* contains\nthe\ndesired RPMs.\n\nPlease note that this update is also available via Red Hat Network. Many\npeople find this an easier way to apply updates. To use Red Hat Network,\nlaunch the Red Hat Update Agent with the following command:\n\nup2date\n\nThis will start an interactive process that will result in the appropriate\nRPMs being upgraded on your system.",
"product_ids": [
"Red Hat Linux 7.1"
],
"restart_required": {
"category": "none"
},
"url": "https://access.redhat.com/errata/RHSA-2003:168"
}
],
"threats": [
{
"category": "impact",
"details": "Critical"
}
],
"title": "security flaw"
},
{
"cve": "CVE-2003-0028",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "1616941"
}
],
"notes": [
{
"category": "description",
"text": "Integer overflow in the xdrmem_getbytes() function, and possibly other functions, of XDR (external data representation) libraries derived from SunRPC, including libnsl, libc, glibc, and dietlibc, allows remote attackers to execute arbitrary code via certain integer values in length fields, a different vulnerability than CVE-2002-0391.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "security flaw",
"title": "Vulnerability summary"
}
],
"product_status": {
"fixed": [
"Red Hat Linux 7.1"
]
},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2003-0028"
},
{
"category": "external",
"summary": "RHBZ#1616941",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1616941"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2003-0028",
"url": "https://www.cve.org/CVERecord?id=CVE-2003-0028"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2003-0028",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2003-0028"
}
],
"release_date": "2003-03-19T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2003-04-29T21:21:00+00:00",
"details": "Before applying this update, make sure all previously released errata\nrelevant to your system have been applied.\n\nTo update all RPMs for your particular architecture, run:\n\nrpm -Fvh [filenames]\n\nwhere [filenames] is a list of the RPMs you wish to upgrade. Only those\nRPMs which are currently installed will be updated. Those RPMs which are\nnot installed but included in the list will not be updated. Note that you\ncan also use wildcards (*.rpm) if your current directory *only* contains\nthe\ndesired RPMs.\n\nPlease note that this update is also available via Red Hat Network. Many\npeople find this an easier way to apply updates. To use Red Hat Network,\nlaunch the Red Hat Update Agent with the following command:\n\nup2date\n\nThis will start an interactive process that will result in the appropriate\nRPMs being upgraded on your system.",
"product_ids": [
"Red Hat Linux 7.1"
],
"restart_required": {
"category": "none"
},
"url": "https://access.redhat.com/errata/RHSA-2003:168"
}
],
"threats": [
{
"category": "impact",
"details": "Critical"
}
],
"title": "security flaw"
},
{
"cve": "CVE-2003-0041",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "1616943"
}
],
"notes": [
{
"category": "description",
"text": "Kerberos FTP client allows remote FTP sites to execute arbitrary code via a pipe (|) character in a filename that is retrieved by the client.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "security flaw",
"title": "Vulnerability summary"
}
],
"product_status": {
"fixed": [
"Red Hat Linux 7.1"
]
},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2003-0041"
},
{
"category": "external",
"summary": "RHBZ#1616943",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1616943"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2003-0041",
"url": "https://www.cve.org/CVERecord?id=CVE-2003-0041"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2003-0041",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2003-0041"
}
],
"release_date": "2003-01-31T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2003-04-29T21:21:00+00:00",
"details": "Before applying this update, make sure all previously released errata\nrelevant to your system have been applied.\n\nTo update all RPMs for your particular architecture, run:\n\nrpm -Fvh [filenames]\n\nwhere [filenames] is a list of the RPMs you wish to upgrade. Only those\nRPMs which are currently installed will be updated. Those RPMs which are\nnot installed but included in the list will not be updated. Note that you\ncan also use wildcards (*.rpm) if your current directory *only* contains\nthe\ndesired RPMs.\n\nPlease note that this update is also available via Red Hat Network. Many\npeople find this an easier way to apply updates. To use Red Hat Network,\nlaunch the Red Hat Update Agent with the following command:\n\nup2date\n\nThis will start an interactive process that will result in the appropriate\nRPMs being upgraded on your system.",
"product_ids": [
"Red Hat Linux 7.1"
],
"restart_required": {
"category": "none"
},
"url": "https://access.redhat.com/errata/RHSA-2003:168"
}
],
"threats": [
{
"category": "impact",
"details": "Moderate"
}
],
"title": "security flaw"
},
{
"cve": "CVE-2003-0058",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "1616945"
}
],
"notes": [
{
"category": "description",
"text": "MIT Kerberos V5 Key Distribution Center (KDC) before 1.2.5 allows remote authenticated attackers to cause a denial of service (crash) on KDCs within the same realm via a certain protocol request that causes a null dereference.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "security flaw",
"title": "Vulnerability summary"
}
],
"product_status": {
"fixed": [
"Red Hat Linux 7.1"
]
},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2003-0058"
},
{
"category": "external",
"summary": "RHBZ#1616945",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1616945"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2003-0058",
"url": "https://www.cve.org/CVERecord?id=CVE-2003-0058"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2003-0058",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2003-0058"
}
],
"release_date": "2003-01-28T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2003-04-29T21:21:00+00:00",
"details": "Before applying this update, make sure all previously released errata\nrelevant to your system have been applied.\n\nTo update all RPMs for your particular architecture, run:\n\nrpm -Fvh [filenames]\n\nwhere [filenames] is a list of the RPMs you wish to upgrade. Only those\nRPMs which are currently installed will be updated. Those RPMs which are\nnot installed but included in the list will not be updated. Note that you\ncan also use wildcards (*.rpm) if your current directory *only* contains\nthe\ndesired RPMs.\n\nPlease note that this update is also available via Red Hat Network. Many\npeople find this an easier way to apply updates. To use Red Hat Network,\nlaunch the Red Hat Update Agent with the following command:\n\nup2date\n\nThis will start an interactive process that will result in the appropriate\nRPMs being upgraded on your system.",
"product_ids": [
"Red Hat Linux 7.1"
],
"restart_required": {
"category": "none"
},
"url": "https://access.redhat.com/errata/RHSA-2003:168"
}
],
"threats": [
{
"category": "impact",
"details": "Moderate"
}
],
"title": "security flaw"
},
{
"cve": "CVE-2003-0059",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "1616946"
}
],
"notes": [
{
"category": "description",
"text": "Unknown vulnerability in the chk_trans.c of the libkrb5 library for MIT Kerberos V5 before 1.2.5 allows users from one realm to impersonate users in other realms that have the same inter-realm keys.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "security flaw",
"title": "Vulnerability summary"
}
],
"product_status": {
"fixed": [
"Red Hat Linux 7.1"
]
},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2003-0059"
},
{
"category": "external",
"summary": "RHBZ#1616946",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1616946"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2003-0059",
"url": "https://www.cve.org/CVERecord?id=CVE-2003-0059"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2003-0059",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2003-0059"
}
],
"release_date": "2003-01-28T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2003-04-29T21:21:00+00:00",
"details": "Before applying this update, make sure all previously released errata\nrelevant to your system have been applied.\n\nTo update all RPMs for your particular architecture, run:\n\nrpm -Fvh [filenames]\n\nwhere [filenames] is a list of the RPMs you wish to upgrade. Only those\nRPMs which are currently installed will be updated. Those RPMs which are\nnot installed but included in the list will not be updated. Note that you\ncan also use wildcards (*.rpm) if your current directory *only* contains\nthe\ndesired RPMs.\n\nPlease note that this update is also available via Red Hat Network. Many\npeople find this an easier way to apply updates. To use Red Hat Network,\nlaunch the Red Hat Update Agent with the following command:\n\nup2date\n\nThis will start an interactive process that will result in the appropriate\nRPMs being upgraded on your system.",
"product_ids": [
"Red Hat Linux 7.1"
],
"restart_required": {
"category": "none"
},
"url": "https://access.redhat.com/errata/RHSA-2003:168"
}
],
"threats": [
{
"category": "impact",
"details": "Moderate"
}
],
"title": "security flaw"
},
{
"cve": "CVE-2003-0072",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "1616953"
}
],
"notes": [
{
"category": "description",
"text": "The Key Distribution Center (KDC) in Kerberos 5 (krb5) 1.2.7 and earlier allows remote, authenticated attackers to cause a denial of service (crash) on KDCs within the same realm using a certain protocol request that causes an out-of-bounds read of an array (aka \"array overrun\").",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "security flaw",
"title": "Vulnerability summary"
}
],
"product_status": {
"fixed": [
"Red Hat Linux 7.1"
]
},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2003-0072"
},
{
"category": "external",
"summary": "RHBZ#1616953",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1616953"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2003-0072",
"url": "https://www.cve.org/CVERecord?id=CVE-2003-0072"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2003-0072",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2003-0072"
}
],
"release_date": "2003-03-19T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2003-04-29T21:21:00+00:00",
"details": "Before applying this update, make sure all previously released errata\nrelevant to your system have been applied.\n\nTo update all RPMs for your particular architecture, run:\n\nrpm -Fvh [filenames]\n\nwhere [filenames] is a list of the RPMs you wish to upgrade. Only those\nRPMs which are currently installed will be updated. Those RPMs which are\nnot installed but included in the list will not be updated. Note that you\ncan also use wildcards (*.rpm) if your current directory *only* contains\nthe\ndesired RPMs.\n\nPlease note that this update is also available via Red Hat Network. Many\npeople find this an easier way to apply updates. To use Red Hat Network,\nlaunch the Red Hat Update Agent with the following command:\n\nup2date\n\nThis will start an interactive process that will result in the appropriate\nRPMs being upgraded on your system.",
"product_ids": [
"Red Hat Linux 7.1"
],
"restart_required": {
"category": "none"
},
"url": "https://access.redhat.com/errata/RHSA-2003:168"
}
],
"threats": [
{
"category": "impact",
"details": "Important"
}
],
"title": "security flaw"
},
{
"cve": "CVE-2003-0082",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "1616960"
}
],
"notes": [
{
"category": "description",
"text": "The Key Distribution Center (KDC) in Kerberos 5 (krb5) 1.2.7 and earlier allows remote, authenticated attackers to cause a denial of service (crash) on KDCs within the same realm using a certain protocol request that causes the KDC to corrupt its heap (aka \"buffer underrun\").",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "security flaw",
"title": "Vulnerability summary"
}
],
"product_status": {
"fixed": [
"Red Hat Linux 7.1"
]
},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2003-0082"
},
{
"category": "external",
"summary": "RHBZ#1616960",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1616960"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2003-0082",
"url": "https://www.cve.org/CVERecord?id=CVE-2003-0082"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2003-0082",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2003-0082"
}
],
"release_date": "2003-03-19T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2003-04-29T21:21:00+00:00",
"details": "Before applying this update, make sure all previously released errata\nrelevant to your system have been applied.\n\nTo update all RPMs for your particular architecture, run:\n\nrpm -Fvh [filenames]\n\nwhere [filenames] is a list of the RPMs you wish to upgrade. Only those\nRPMs which are currently installed will be updated. Those RPMs which are\nnot installed but included in the list will not be updated. Note that you\ncan also use wildcards (*.rpm) if your current directory *only* contains\nthe\ndesired RPMs.\n\nPlease note that this update is also available via Red Hat Network. Many\npeople find this an easier way to apply updates. To use Red Hat Network,\nlaunch the Red Hat Update Agent with the following command:\n\nup2date\n\nThis will start an interactive process that will result in the appropriate\nRPMs being upgraded on your system.",
"product_ids": [
"Red Hat Linux 7.1"
],
"restart_required": {
"category": "none"
},
"url": "https://access.redhat.com/errata/RHSA-2003:168"
}
],
"threats": [
{
"category": "impact",
"details": "Important"
}
],
"title": "security flaw"
},
{
"cve": "CVE-2003-0138",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "1616981"
}
],
"notes": [
{
"category": "description",
"text": "Version 4 of the Kerberos protocol (krb4), as used in Heimdal and other packages, allows an attacker to impersonate any principal in a realm via a chosen-plaintext attack.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "security flaw",
"title": "Vulnerability summary"
}
],
"product_status": {
"fixed": [
"Red Hat Linux 7.1"
]
},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2003-0138"
},
{
"category": "external",
"summary": "RHBZ#1616981",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1616981"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2003-0138",
"url": "https://www.cve.org/CVERecord?id=CVE-2003-0138"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2003-0138",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2003-0138"
}
],
"release_date": "2003-03-19T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2003-04-29T21:21:00+00:00",
"details": "Before applying this update, make sure all previously released errata\nrelevant to your system have been applied.\n\nTo update all RPMs for your particular architecture, run:\n\nrpm -Fvh [filenames]\n\nwhere [filenames] is a list of the RPMs you wish to upgrade. Only those\nRPMs which are currently installed will be updated. Those RPMs which are\nnot installed but included in the list will not be updated. Note that you\ncan also use wildcards (*.rpm) if your current directory *only* contains\nthe\ndesired RPMs.\n\nPlease note that this update is also available via Red Hat Network. Many\npeople find this an easier way to apply updates. To use Red Hat Network,\nlaunch the Red Hat Update Agent with the following command:\n\nup2date\n\nThis will start an interactive process that will result in the appropriate\nRPMs being upgraded on your system.",
"product_ids": [
"Red Hat Linux 7.1"
],
"restart_required": {
"category": "none"
},
"url": "https://access.redhat.com/errata/RHSA-2003:168"
}
],
"threats": [
{
"category": "impact",
"details": "Important"
}
],
"title": "security flaw"
},
{
"cve": "CVE-2003-0139",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "1616982"
}
],
"notes": [
{
"category": "description",
"text": "Certain weaknesses in the implementation of version 4 of the Kerberos protocol (krb4) in the krb5 distribution, when triple-DES keys are used to key krb4 services, allow an attacker to create krb4 tickets for unauthorized principals using a cut-and-paste attack and \"ticket splicing.\"",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "security flaw",
"title": "Vulnerability summary"
}
],
"product_status": {
"fixed": [
"Red Hat Linux 7.1"
]
},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2003-0139"
},
{
"category": "external",
"summary": "RHBZ#1616982",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1616982"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2003-0139",
"url": "https://www.cve.org/CVERecord?id=CVE-2003-0139"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2003-0139",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2003-0139"
}
],
"release_date": "2003-03-19T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2003-04-29T21:21:00+00:00",
"details": "Before applying this update, make sure all previously released errata\nrelevant to your system have been applied.\n\nTo update all RPMs for your particular architecture, run:\n\nrpm -Fvh [filenames]\n\nwhere [filenames] is a list of the RPMs you wish to upgrade. Only those\nRPMs which are currently installed will be updated. Those RPMs which are\nnot installed but included in the list will not be updated. Note that you\ncan also use wildcards (*.rpm) if your current directory *only* contains\nthe\ndesired RPMs.\n\nPlease note that this update is also available via Red Hat Network. Many\npeople find this an easier way to apply updates. To use Red Hat Network,\nlaunch the Red Hat Update Agent with the following command:\n\nup2date\n\nThis will start an interactive process that will result in the appropriate\nRPMs being upgraded on your system.",
"product_ids": [
"Red Hat Linux 7.1"
],
"restart_required": {
"category": "none"
},
"url": "https://access.redhat.com/errata/RHSA-2003:168"
}
],
"threats": [
{
"category": "impact",
"details": "Important"
}
],
"title": "security flaw"
}
]
}
RHSA-2003:051
Vulnerability from csaf_redhat - Published: 2003-03-26 21:49 - Updated: 2025-11-21 17:25Summary
Red Hat Security Advisory: : Updated kerberos packages fix various vulnerabilities
Severity
Critical
Notes
Topic: Updated Kerberos packages fix a number of vulnerabilities found in MIT
Kerberos.
Details: Kerberos is a network authentication system. The MIT Kerberos team
released an advisory describing a number of vulnerabilities that affect the
kerberos packages shipped by Red Hat. These vulnerabilities include:
An integer signedness error in the ASN.1 decoder before version 1.2.5
allows remote attackers to cause a denial of service (crash) via a large
unsigned data element length, which is later used as a negative value. The
Common Vulnerabilities and Exposures project has assigned the name
CAN-2002-0036 to this issue. Red Hat Linux 8.0 and later are not affected
by this issue.
The Key Distribution Center (KDC) before version 1.2.5 allows remote,
authenticated attackers to cause a denial of service (crash) on KDCs within
the same realm using a certain protocol request that causes a null
dereference (CAN-2003-0058). Red Hat Linux 8.0 and later are not affected
by this issue.
The Key Distribution Center (KDC) allows remote, authenticated attackers to
cause a denial of service (crash) on KDCs within the same realm using a
certain protocol request that causes an out-of-bounds read of an array
(CAN-2003-0072).
The Key Distribution Center (KDC) allows remote, authenticated attackers
to cause a denial of service (crash) on KDCs within the same realm using a
certain protocol request that causes the KDC to corrupt its heap
(CAN-2003-0082).
A vulnerability in Kerberos before version 1.2.3 allows users from one
realm to impersonate users in other realms that have the same inter-realm
keys (CAN-2003-0059). Red Hat Linux 7.3 and later are not affected by this
issue.
The MIT advisory for these issues also mentions format string
vulnerabilities in the logging routines (CAN-2003-0060). Previous versions
of the kerberos packages from Red Hat already contain fixes for this issue.
Vulnerabilities have been found in the support for triple-DES keys in the
implementation of the Kerberos IV authentication protocol which is included
in MIT Kerberos (CAN-2003-0139).
Vulnerabilities have been found in the Kerberos IV authentication protocol
which allow an attacker with knowledge of a cross-realm key, which is
shared with another realm, to impersonate any principal in that realm to
any service in that realm. This vulnerability can only be closed by
disabling cross-realm authentication in Kerberos IV (CAN-2003-0138).
Vulnerabilities have been found in the RPC library used by the kadmin
service in Kerberos 5. A faulty length check in the RPC library exposes
kadmind to an integer overflow which can be used to crash kadmind
(CAN-2003-0028).
All users of Kerberos are advised to upgrade to these errata packages,
which disable cross-realm authentication by default for Kerberos IV and
which contain backported patches that correct these issues.
Terms of Use: This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.
Integer signedness error in MIT Kerberos V5 ASN.1 decoder before krb5 1.2.5 allows remote attackers to cause a denial of service via a large unsigned data element length, which is later used as a negative value.
Vendor Fix
Before applying this update, make sure all previously released errata
relevant to your system have been applied.
To update all RPMs for your particular architecture, run:
rpm -Fvh [filenames]
where [filenames] is a list of the RPMs you wish to upgrade. Only those
RPMs which are currently installed will be updated. Those RPMs which are
not installed but included in the list will not be updated. Note that you
can also use wildcards (*.rpm) if your current directory *only* contains
the
desired RPMs.
Please note that this update is also available via Red Hat Network. Many
people find this an easier way to apply updates. To use Red Hat Network,
launch the Red Hat Update Agent with the following command:
up2date
This will start an interactive process that will result in the appropriate
RPMs being upgraded on your system.
https://access.redhat.com/errata/RHSA-2003:051
Integer overflow in the xdrmem_getbytes() function, and possibly other functions, of XDR (external data representation) libraries derived from SunRPC, including libnsl, libc, glibc, and dietlibc, allows remote attackers to execute arbitrary code via certain integer values in length fields, a different vulnerability than CVE-2002-0391.
Vendor Fix
Before applying this update, make sure all previously released errata
relevant to your system have been applied.
To update all RPMs for your particular architecture, run:
rpm -Fvh [filenames]
where [filenames] is a list of the RPMs you wish to upgrade. Only those
RPMs which are currently installed will be updated. Those RPMs which are
not installed but included in the list will not be updated. Note that you
can also use wildcards (*.rpm) if your current directory *only* contains
the
desired RPMs.
Please note that this update is also available via Red Hat Network. Many
people find this an easier way to apply updates. To use Red Hat Network,
launch the Red Hat Update Agent with the following command:
up2date
This will start an interactive process that will result in the appropriate
RPMs being upgraded on your system.
https://access.redhat.com/errata/RHSA-2003:051
MIT Kerberos V5 Key Distribution Center (KDC) before 1.2.5 allows remote authenticated attackers to cause a denial of service (crash) on KDCs within the same realm via a certain protocol request that causes a null dereference.
Vendor Fix
Before applying this update, make sure all previously released errata
relevant to your system have been applied.
To update all RPMs for your particular architecture, run:
rpm -Fvh [filenames]
where [filenames] is a list of the RPMs you wish to upgrade. Only those
RPMs which are currently installed will be updated. Those RPMs which are
not installed but included in the list will not be updated. Note that you
can also use wildcards (*.rpm) if your current directory *only* contains
the
desired RPMs.
Please note that this update is also available via Red Hat Network. Many
people find this an easier way to apply updates. To use Red Hat Network,
launch the Red Hat Update Agent with the following command:
up2date
This will start an interactive process that will result in the appropriate
RPMs being upgraded on your system.
https://access.redhat.com/errata/RHSA-2003:051
Unknown vulnerability in the chk_trans.c of the libkrb5 library for MIT Kerberos V5 before 1.2.5 allows users from one realm to impersonate users in other realms that have the same inter-realm keys.
Vendor Fix
Before applying this update, make sure all previously released errata
relevant to your system have been applied.
To update all RPMs for your particular architecture, run:
rpm -Fvh [filenames]
where [filenames] is a list of the RPMs you wish to upgrade. Only those
RPMs which are currently installed will be updated. Those RPMs which are
not installed but included in the list will not be updated. Note that you
can also use wildcards (*.rpm) if your current directory *only* contains
the
desired RPMs.
Please note that this update is also available via Red Hat Network. Many
people find this an easier way to apply updates. To use Red Hat Network,
launch the Red Hat Update Agent with the following command:
up2date
This will start an interactive process that will result in the appropriate
RPMs being upgraded on your system.
https://access.redhat.com/errata/RHSA-2003:051
The Key Distribution Center (KDC) in Kerberos 5 (krb5) 1.2.7 and earlier allows remote, authenticated attackers to cause a denial of service (crash) on KDCs within the same realm using a certain protocol request that causes an out-of-bounds read of an array (aka "array overrun").
Vendor Fix
Before applying this update, make sure all previously released errata
relevant to your system have been applied.
To update all RPMs for your particular architecture, run:
rpm -Fvh [filenames]
where [filenames] is a list of the RPMs you wish to upgrade. Only those
RPMs which are currently installed will be updated. Those RPMs which are
not installed but included in the list will not be updated. Note that you
can also use wildcards (*.rpm) if your current directory *only* contains
the
desired RPMs.
Please note that this update is also available via Red Hat Network. Many
people find this an easier way to apply updates. To use Red Hat Network,
launch the Red Hat Update Agent with the following command:
up2date
This will start an interactive process that will result in the appropriate
RPMs being upgraded on your system.
https://access.redhat.com/errata/RHSA-2003:051
The Key Distribution Center (KDC) in Kerberos 5 (krb5) 1.2.7 and earlier allows remote, authenticated attackers to cause a denial of service (crash) on KDCs within the same realm using a certain protocol request that causes the KDC to corrupt its heap (aka "buffer underrun").
Vendor Fix
Before applying this update, make sure all previously released errata
relevant to your system have been applied.
To update all RPMs for your particular architecture, run:
rpm -Fvh [filenames]
where [filenames] is a list of the RPMs you wish to upgrade. Only those
RPMs which are currently installed will be updated. Those RPMs which are
not installed but included in the list will not be updated. Note that you
can also use wildcards (*.rpm) if your current directory *only* contains
the
desired RPMs.
Please note that this update is also available via Red Hat Network. Many
people find this an easier way to apply updates. To use Red Hat Network,
launch the Red Hat Update Agent with the following command:
up2date
This will start an interactive process that will result in the appropriate
RPMs being upgraded on your system.
https://access.redhat.com/errata/RHSA-2003:051
Version 4 of the Kerberos protocol (krb4), as used in Heimdal and other packages, allows an attacker to impersonate any principal in a realm via a chosen-plaintext attack.
Vendor Fix
Before applying this update, make sure all previously released errata
relevant to your system have been applied.
To update all RPMs for your particular architecture, run:
rpm -Fvh [filenames]
where [filenames] is a list of the RPMs you wish to upgrade. Only those
RPMs which are currently installed will be updated. Those RPMs which are
not installed but included in the list will not be updated. Note that you
can also use wildcards (*.rpm) if your current directory *only* contains
the
desired RPMs.
Please note that this update is also available via Red Hat Network. Many
people find this an easier way to apply updates. To use Red Hat Network,
launch the Red Hat Update Agent with the following command:
up2date
This will start an interactive process that will result in the appropriate
RPMs being upgraded on your system.
https://access.redhat.com/errata/RHSA-2003:051
Certain weaknesses in the implementation of version 4 of the Kerberos protocol (krb4) in the krb5 distribution, when triple-DES keys are used to key krb4 services, allow an attacker to create krb4 tickets for unauthorized principals using a cut-and-paste attack and "ticket splicing."
Vendor Fix
Before applying this update, make sure all previously released errata
relevant to your system have been applied.
To update all RPMs for your particular architecture, run:
rpm -Fvh [filenames]
where [filenames] is a list of the RPMs you wish to upgrade. Only those
RPMs which are currently installed will be updated. Those RPMs which are
not installed but included in the list will not be updated. Note that you
can also use wildcards (*.rpm) if your current directory *only* contains
the
desired RPMs.
Please note that this update is also available via Red Hat Network. Many
people find this an easier way to apply updates. To use Red Hat Network,
launch the Red Hat Update Agent with the following command:
up2date
This will start an interactive process that will result in the appropriate
RPMs being upgraded on your system.
https://access.redhat.com/errata/RHSA-2003:051
References
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"title": "Details"
},
{
"category": "legal_disclaimer",
"text": "This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.",
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"notes": [
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"text": "Integer signedness error in MIT Kerberos V5 ASN.1 decoder before krb5 1.2.5 allows remote attackers to cause a denial of service via a large unsigned data element length, which is later used as a negative value.",
"title": "Vulnerability description"
},
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"release_date": "2003-01-29T00:00:00+00:00",
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{
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"date": "2003-03-26T21:49:00+00:00",
"details": "Before applying this update, make sure all previously released errata\nrelevant to your system have been applied.\n\nTo update all RPMs for your particular architecture, run:\n\nrpm -Fvh [filenames]\n\nwhere [filenames] is a list of the RPMs you wish to upgrade. Only those\nRPMs which are currently installed will be updated. Those RPMs which are\nnot installed but included in the list will not be updated. Note that you\ncan also use wildcards (*.rpm) if your current directory *only* contains\nthe\ndesired RPMs.\n\nPlease note that this update is also available via Red Hat Network. Many\npeople find this an easier way to apply updates. To use Red Hat Network,\nlaunch the Red Hat Update Agent with the following command:\n\nup2date\n\nThis will start an interactive process that will result in the appropriate\nRPMs being upgraded on your system.",
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],
"title": "security flaw"
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"ids": [
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}
],
"notes": [
{
"category": "description",
"text": "Integer overflow in the xdrmem_getbytes() function, and possibly other functions, of XDR (external data representation) libraries derived from SunRPC, including libnsl, libc, glibc, and dietlibc, allows remote attackers to execute arbitrary code via certain integer values in length fields, a different vulnerability than CVE-2002-0391.",
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"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2003-0028",
"url": "https://www.cve.org/CVERecord?id=CVE-2003-0028"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2003-0028",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2003-0028"
}
],
"release_date": "2003-03-19T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2003-03-26T21:49:00+00:00",
"details": "Before applying this update, make sure all previously released errata\nrelevant to your system have been applied.\n\nTo update all RPMs for your particular architecture, run:\n\nrpm -Fvh [filenames]\n\nwhere [filenames] is a list of the RPMs you wish to upgrade. Only those\nRPMs which are currently installed will be updated. Those RPMs which are\nnot installed but included in the list will not be updated. Note that you\ncan also use wildcards (*.rpm) if your current directory *only* contains\nthe\ndesired RPMs.\n\nPlease note that this update is also available via Red Hat Network. Many\npeople find this an easier way to apply updates. To use Red Hat Network,\nlaunch the Red Hat Update Agent with the following command:\n\nup2date\n\nThis will start an interactive process that will result in the appropriate\nRPMs being upgraded on your system.",
"product_ids": [
"Red Hat Linux 6.2",
"Red Hat Linux 7.0",
"Red Hat Linux 7.1",
"Red Hat Linux 7.2",
"Red Hat Linux 7.3",
"Red Hat Linux 8.0"
],
"restart_required": {
"category": "none"
},
"url": "https://access.redhat.com/errata/RHSA-2003:051"
}
],
"threats": [
{
"category": "impact",
"details": "Critical"
}
],
"title": "security flaw"
},
{
"cve": "CVE-2003-0058",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "1616945"
}
],
"notes": [
{
"category": "description",
"text": "MIT Kerberos V5 Key Distribution Center (KDC) before 1.2.5 allows remote authenticated attackers to cause a denial of service (crash) on KDCs within the same realm via a certain protocol request that causes a null dereference.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "security flaw",
"title": "Vulnerability summary"
}
],
"product_status": {
"fixed": [
"Red Hat Linux 6.2",
"Red Hat Linux 7.0",
"Red Hat Linux 7.1",
"Red Hat Linux 7.2",
"Red Hat Linux 7.3",
"Red Hat Linux 8.0"
]
},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2003-0058"
},
{
"category": "external",
"summary": "RHBZ#1616945",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1616945"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2003-0058",
"url": "https://www.cve.org/CVERecord?id=CVE-2003-0058"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2003-0058",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2003-0058"
}
],
"release_date": "2003-01-28T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2003-03-26T21:49:00+00:00",
"details": "Before applying this update, make sure all previously released errata\nrelevant to your system have been applied.\n\nTo update all RPMs for your particular architecture, run:\n\nrpm -Fvh [filenames]\n\nwhere [filenames] is a list of the RPMs you wish to upgrade. Only those\nRPMs which are currently installed will be updated. Those RPMs which are\nnot installed but included in the list will not be updated. Note that you\ncan also use wildcards (*.rpm) if your current directory *only* contains\nthe\ndesired RPMs.\n\nPlease note that this update is also available via Red Hat Network. Many\npeople find this an easier way to apply updates. To use Red Hat Network,\nlaunch the Red Hat Update Agent with the following command:\n\nup2date\n\nThis will start an interactive process that will result in the appropriate\nRPMs being upgraded on your system.",
"product_ids": [
"Red Hat Linux 6.2",
"Red Hat Linux 7.0",
"Red Hat Linux 7.1",
"Red Hat Linux 7.2",
"Red Hat Linux 7.3",
"Red Hat Linux 8.0"
],
"restart_required": {
"category": "none"
},
"url": "https://access.redhat.com/errata/RHSA-2003:051"
}
],
"threats": [
{
"category": "impact",
"details": "Moderate"
}
],
"title": "security flaw"
},
{
"cve": "CVE-2003-0059",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "1616946"
}
],
"notes": [
{
"category": "description",
"text": "Unknown vulnerability in the chk_trans.c of the libkrb5 library for MIT Kerberos V5 before 1.2.5 allows users from one realm to impersonate users in other realms that have the same inter-realm keys.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "security flaw",
"title": "Vulnerability summary"
}
],
"product_status": {
"fixed": [
"Red Hat Linux 6.2",
"Red Hat Linux 7.0",
"Red Hat Linux 7.1",
"Red Hat Linux 7.2",
"Red Hat Linux 7.3",
"Red Hat Linux 8.0"
]
},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2003-0059"
},
{
"category": "external",
"summary": "RHBZ#1616946",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1616946"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2003-0059",
"url": "https://www.cve.org/CVERecord?id=CVE-2003-0059"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2003-0059",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2003-0059"
}
],
"release_date": "2003-01-28T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2003-03-26T21:49:00+00:00",
"details": "Before applying this update, make sure all previously released errata\nrelevant to your system have been applied.\n\nTo update all RPMs for your particular architecture, run:\n\nrpm -Fvh [filenames]\n\nwhere [filenames] is a list of the RPMs you wish to upgrade. Only those\nRPMs which are currently installed will be updated. Those RPMs which are\nnot installed but included in the list will not be updated. Note that you\ncan also use wildcards (*.rpm) if your current directory *only* contains\nthe\ndesired RPMs.\n\nPlease note that this update is also available via Red Hat Network. Many\npeople find this an easier way to apply updates. To use Red Hat Network,\nlaunch the Red Hat Update Agent with the following command:\n\nup2date\n\nThis will start an interactive process that will result in the appropriate\nRPMs being upgraded on your system.",
"product_ids": [
"Red Hat Linux 6.2",
"Red Hat Linux 7.0",
"Red Hat Linux 7.1",
"Red Hat Linux 7.2",
"Red Hat Linux 7.3",
"Red Hat Linux 8.0"
],
"restart_required": {
"category": "none"
},
"url": "https://access.redhat.com/errata/RHSA-2003:051"
}
],
"threats": [
{
"category": "impact",
"details": "Moderate"
}
],
"title": "security flaw"
},
{
"cve": "CVE-2003-0072",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "1616953"
}
],
"notes": [
{
"category": "description",
"text": "The Key Distribution Center (KDC) in Kerberos 5 (krb5) 1.2.7 and earlier allows remote, authenticated attackers to cause a denial of service (crash) on KDCs within the same realm using a certain protocol request that causes an out-of-bounds read of an array (aka \"array overrun\").",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "security flaw",
"title": "Vulnerability summary"
}
],
"product_status": {
"fixed": [
"Red Hat Linux 6.2",
"Red Hat Linux 7.0",
"Red Hat Linux 7.1",
"Red Hat Linux 7.2",
"Red Hat Linux 7.3",
"Red Hat Linux 8.0"
]
},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2003-0072"
},
{
"category": "external",
"summary": "RHBZ#1616953",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1616953"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2003-0072",
"url": "https://www.cve.org/CVERecord?id=CVE-2003-0072"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2003-0072",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2003-0072"
}
],
"release_date": "2003-03-19T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2003-03-26T21:49:00+00:00",
"details": "Before applying this update, make sure all previously released errata\nrelevant to your system have been applied.\n\nTo update all RPMs for your particular architecture, run:\n\nrpm -Fvh [filenames]\n\nwhere [filenames] is a list of the RPMs you wish to upgrade. Only those\nRPMs which are currently installed will be updated. Those RPMs which are\nnot installed but included in the list will not be updated. Note that you\ncan also use wildcards (*.rpm) if your current directory *only* contains\nthe\ndesired RPMs.\n\nPlease note that this update is also available via Red Hat Network. Many\npeople find this an easier way to apply updates. To use Red Hat Network,\nlaunch the Red Hat Update Agent with the following command:\n\nup2date\n\nThis will start an interactive process that will result in the appropriate\nRPMs being upgraded on your system.",
"product_ids": [
"Red Hat Linux 6.2",
"Red Hat Linux 7.0",
"Red Hat Linux 7.1",
"Red Hat Linux 7.2",
"Red Hat Linux 7.3",
"Red Hat Linux 8.0"
],
"restart_required": {
"category": "none"
},
"url": "https://access.redhat.com/errata/RHSA-2003:051"
}
],
"threats": [
{
"category": "impact",
"details": "Important"
}
],
"title": "security flaw"
},
{
"cve": "CVE-2003-0082",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "1616960"
}
],
"notes": [
{
"category": "description",
"text": "The Key Distribution Center (KDC) in Kerberos 5 (krb5) 1.2.7 and earlier allows remote, authenticated attackers to cause a denial of service (crash) on KDCs within the same realm using a certain protocol request that causes the KDC to corrupt its heap (aka \"buffer underrun\").",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "security flaw",
"title": "Vulnerability summary"
}
],
"product_status": {
"fixed": [
"Red Hat Linux 6.2",
"Red Hat Linux 7.0",
"Red Hat Linux 7.1",
"Red Hat Linux 7.2",
"Red Hat Linux 7.3",
"Red Hat Linux 8.0"
]
},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2003-0082"
},
{
"category": "external",
"summary": "RHBZ#1616960",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1616960"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2003-0082",
"url": "https://www.cve.org/CVERecord?id=CVE-2003-0082"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2003-0082",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2003-0082"
}
],
"release_date": "2003-03-19T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2003-03-26T21:49:00+00:00",
"details": "Before applying this update, make sure all previously released errata\nrelevant to your system have been applied.\n\nTo update all RPMs for your particular architecture, run:\n\nrpm -Fvh [filenames]\n\nwhere [filenames] is a list of the RPMs you wish to upgrade. Only those\nRPMs which are currently installed will be updated. Those RPMs which are\nnot installed but included in the list will not be updated. Note that you\ncan also use wildcards (*.rpm) if your current directory *only* contains\nthe\ndesired RPMs.\n\nPlease note that this update is also available via Red Hat Network. Many\npeople find this an easier way to apply updates. To use Red Hat Network,\nlaunch the Red Hat Update Agent with the following command:\n\nup2date\n\nThis will start an interactive process that will result in the appropriate\nRPMs being upgraded on your system.",
"product_ids": [
"Red Hat Linux 6.2",
"Red Hat Linux 7.0",
"Red Hat Linux 7.1",
"Red Hat Linux 7.2",
"Red Hat Linux 7.3",
"Red Hat Linux 8.0"
],
"restart_required": {
"category": "none"
},
"url": "https://access.redhat.com/errata/RHSA-2003:051"
}
],
"threats": [
{
"category": "impact",
"details": "Important"
}
],
"title": "security flaw"
},
{
"cve": "CVE-2003-0138",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "1616981"
}
],
"notes": [
{
"category": "description",
"text": "Version 4 of the Kerberos protocol (krb4), as used in Heimdal and other packages, allows an attacker to impersonate any principal in a realm via a chosen-plaintext attack.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "security flaw",
"title": "Vulnerability summary"
}
],
"product_status": {
"fixed": [
"Red Hat Linux 6.2",
"Red Hat Linux 7.0",
"Red Hat Linux 7.1",
"Red Hat Linux 7.2",
"Red Hat Linux 7.3",
"Red Hat Linux 8.0"
]
},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2003-0138"
},
{
"category": "external",
"summary": "RHBZ#1616981",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1616981"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2003-0138",
"url": "https://www.cve.org/CVERecord?id=CVE-2003-0138"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2003-0138",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2003-0138"
}
],
"release_date": "2003-03-19T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2003-03-26T21:49:00+00:00",
"details": "Before applying this update, make sure all previously released errata\nrelevant to your system have been applied.\n\nTo update all RPMs for your particular architecture, run:\n\nrpm -Fvh [filenames]\n\nwhere [filenames] is a list of the RPMs you wish to upgrade. Only those\nRPMs which are currently installed will be updated. Those RPMs which are\nnot installed but included in the list will not be updated. Note that you\ncan also use wildcards (*.rpm) if your current directory *only* contains\nthe\ndesired RPMs.\n\nPlease note that this update is also available via Red Hat Network. Many\npeople find this an easier way to apply updates. To use Red Hat Network,\nlaunch the Red Hat Update Agent with the following command:\n\nup2date\n\nThis will start an interactive process that will result in the appropriate\nRPMs being upgraded on your system.",
"product_ids": [
"Red Hat Linux 6.2",
"Red Hat Linux 7.0",
"Red Hat Linux 7.1",
"Red Hat Linux 7.2",
"Red Hat Linux 7.3",
"Red Hat Linux 8.0"
],
"restart_required": {
"category": "none"
},
"url": "https://access.redhat.com/errata/RHSA-2003:051"
}
],
"threats": [
{
"category": "impact",
"details": "Important"
}
],
"title": "security flaw"
},
{
"cve": "CVE-2003-0139",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "1616982"
}
],
"notes": [
{
"category": "description",
"text": "Certain weaknesses in the implementation of version 4 of the Kerberos protocol (krb4) in the krb5 distribution, when triple-DES keys are used to key krb4 services, allow an attacker to create krb4 tickets for unauthorized principals using a cut-and-paste attack and \"ticket splicing.\"",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "security flaw",
"title": "Vulnerability summary"
}
],
"product_status": {
"fixed": [
"Red Hat Linux 6.2",
"Red Hat Linux 7.0",
"Red Hat Linux 7.1",
"Red Hat Linux 7.2",
"Red Hat Linux 7.3",
"Red Hat Linux 8.0"
]
},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2003-0139"
},
{
"category": "external",
"summary": "RHBZ#1616982",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1616982"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2003-0139",
"url": "https://www.cve.org/CVERecord?id=CVE-2003-0139"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2003-0139",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2003-0139"
}
],
"release_date": "2003-03-19T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2003-03-26T21:49:00+00:00",
"details": "Before applying this update, make sure all previously released errata\nrelevant to your system have been applied.\n\nTo update all RPMs for your particular architecture, run:\n\nrpm -Fvh [filenames]\n\nwhere [filenames] is a list of the RPMs you wish to upgrade. Only those\nRPMs which are currently installed will be updated. Those RPMs which are\nnot installed but included in the list will not be updated. Note that you\ncan also use wildcards (*.rpm) if your current directory *only* contains\nthe\ndesired RPMs.\n\nPlease note that this update is also available via Red Hat Network. Many\npeople find this an easier way to apply updates. To use Red Hat Network,\nlaunch the Red Hat Update Agent with the following command:\n\nup2date\n\nThis will start an interactive process that will result in the appropriate\nRPMs being upgraded on your system.",
"product_ids": [
"Red Hat Linux 6.2",
"Red Hat Linux 7.0",
"Red Hat Linux 7.1",
"Red Hat Linux 7.2",
"Red Hat Linux 7.3",
"Red Hat Linux 8.0"
],
"restart_required": {
"category": "none"
},
"url": "https://access.redhat.com/errata/RHSA-2003:051"
}
],
"threats": [
{
"category": "impact",
"details": "Important"
}
],
"title": "security flaw"
}
]
}
RHSA-2003_091
Vulnerability from csaf_redhat - Published: 2003-04-02 09:57 - Updated: 2024-11-21 22:38Summary
Red Hat Security Advisory: : Updated kerberos packages fix various vulnerabilities
Severity
Critical
Notes
Topic: Updated Kerberos packages for Red Hat Linux 9 fix a number of
vulnerabilities found in MIT Kerberos.
Details: Kerberos is a network authentication system. The MIT Kerberos team
released an advisory describing a number of vulnerabilities that affect the
kerberos packages shipped as part of Red Hat Linux 9. These issues include:
Vulnerabilities have been found in the triple-DES key support found in the
implementation of the Kerberos IV authentication protocol included in MIT
Kerberos. The Common Vulnerabilities and Exposures project has assigned
the name CAN-2003-0139 to this issue.
Vulnerabilities have been found in the Kerberos IV authentication protocol
which allow an attacker with knowledge of a cross-realm key, which is
shared with another realm, to impersonate any principal in that realm to
any service in that realm. This vulnerability can only be closed by
disabling cross-realm authentication in Kerberos IV (CAN-2003-0138).
Vulnerabilities have been found in the RPC library used by the kadmin
service in Kerberos 5. A faulty length check in the RPC library exposes
kadmind to an integer overflow which can be used to crash kadmind
(CAN-2003-0028).
The Key Distribution Center (KDC) allows remote, authenticated attackers
to cause a denial of service (crash) on KDCs within the same realm via a
certain protocol request that causes the KDC to corrupt its heap
(CAN-2003-0082).
All users of Kerberos are advised to upgrade to these errata packages,
which disable cross-realm authentication by default for Kerberos IV and
which contain patches that correct these issues.
Terms of Use: This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.
Integer overflow in the xdrmem_getbytes() function, and possibly other functions, of XDR (external data representation) libraries derived from SunRPC, including libnsl, libc, glibc, and dietlibc, allows remote attackers to execute arbitrary code via certain integer values in length fields, a different vulnerability than CVE-2002-0391.
Vendor Fix
Before applying this update, make sure all previously released errata
relevant to your system have been applied.
To update all RPMs for your particular architecture, run:
rpm -Fvh [filenames]
where [filenames] is a list of the RPMs you wish to upgrade. Only those
RPMs which are currently installed will be updated. Those RPMs which are
not installed but included in the list will not be updated. Note that you
can also use wildcards (*.rpm) if your current directory *only* contains the
desired RPMs.
Please note that this update is also available via Red Hat Network. Many
people find this an easier way to apply updates. To use Red Hat Network,
launch the Red Hat Update Agent with the following command:
up2date
This will start an interactive process that will result in the appropriate
RPMs being upgraded on your system.
https://access.redhat.com/errata/RHSA-2003:091
The Key Distribution Center (KDC) in Kerberos 5 (krb5) 1.2.7 and earlier allows remote, authenticated attackers to cause a denial of service (crash) on KDCs within the same realm using a certain protocol request that causes the KDC to corrupt its heap (aka "buffer underrun").
Vendor Fix
Before applying this update, make sure all previously released errata
relevant to your system have been applied.
To update all RPMs for your particular architecture, run:
rpm -Fvh [filenames]
where [filenames] is a list of the RPMs you wish to upgrade. Only those
RPMs which are currently installed will be updated. Those RPMs which are
not installed but included in the list will not be updated. Note that you
can also use wildcards (*.rpm) if your current directory *only* contains the
desired RPMs.
Please note that this update is also available via Red Hat Network. Many
people find this an easier way to apply updates. To use Red Hat Network,
launch the Red Hat Update Agent with the following command:
up2date
This will start an interactive process that will result in the appropriate
RPMs being upgraded on your system.
https://access.redhat.com/errata/RHSA-2003:091
Version 4 of the Kerberos protocol (krb4), as used in Heimdal and other packages, allows an attacker to impersonate any principal in a realm via a chosen-plaintext attack.
Vendor Fix
Before applying this update, make sure all previously released errata
relevant to your system have been applied.
To update all RPMs for your particular architecture, run:
rpm -Fvh [filenames]
where [filenames] is a list of the RPMs you wish to upgrade. Only those
RPMs which are currently installed will be updated. Those RPMs which are
not installed but included in the list will not be updated. Note that you
can also use wildcards (*.rpm) if your current directory *only* contains the
desired RPMs.
Please note that this update is also available via Red Hat Network. Many
people find this an easier way to apply updates. To use Red Hat Network,
launch the Red Hat Update Agent with the following command:
up2date
This will start an interactive process that will result in the appropriate
RPMs being upgraded on your system.
https://access.redhat.com/errata/RHSA-2003:091
Certain weaknesses in the implementation of version 4 of the Kerberos protocol (krb4) in the krb5 distribution, when triple-DES keys are used to key krb4 services, allow an attacker to create krb4 tickets for unauthorized principals using a cut-and-paste attack and "ticket splicing."
Vendor Fix
Before applying this update, make sure all previously released errata
relevant to your system have been applied.
To update all RPMs for your particular architecture, run:
rpm -Fvh [filenames]
where [filenames] is a list of the RPMs you wish to upgrade. Only those
RPMs which are currently installed will be updated. Those RPMs which are
not installed but included in the list will not be updated. Note that you
can also use wildcards (*.rpm) if your current directory *only* contains the
desired RPMs.
Please note that this update is also available via Red Hat Network. Many
people find this an easier way to apply updates. To use Red Hat Network,
launch the Red Hat Update Agent with the following command:
up2date
This will start an interactive process that will result in the appropriate
RPMs being upgraded on your system.
https://access.redhat.com/errata/RHSA-2003:091
References
| URL | Category | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
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"category": "summary",
"text": "Updated Kerberos packages for Red Hat Linux 9 fix a number of\nvulnerabilities found in MIT Kerberos.",
"title": "Topic"
},
{
"category": "general",
"text": "Kerberos is a network authentication system. The MIT Kerberos team\nreleased an advisory describing a number of vulnerabilities that affect the\nkerberos packages shipped as part of Red Hat Linux 9. These issues include:\n\nVulnerabilities have been found in the triple-DES key support found in the\nimplementation of the Kerberos IV authentication protocol included in MIT\nKerberos. The Common Vulnerabilities and Exposures project has assigned\nthe name CAN-2003-0139 to this issue.\n\nVulnerabilities have been found in the Kerberos IV authentication protocol\nwhich allow an attacker with knowledge of a cross-realm key, which is\nshared with another realm, to impersonate any principal in that realm to\nany service in that realm. This vulnerability can only be closed by\ndisabling cross-realm authentication in Kerberos IV (CAN-2003-0138).\n\nVulnerabilities have been found in the RPC library used by the kadmin\nservice in Kerberos 5. A faulty length check in the RPC library exposes\nkadmind to an integer overflow which can be used to crash kadmind\n(CAN-2003-0028).\n\nThe Key Distribution Center (KDC) allows remote, authenticated attackers\nto cause a denial of service (crash) on KDCs within the same realm via a\ncertain protocol request that causes the KDC to corrupt its heap\n(CAN-2003-0082). \n\nAll users of Kerberos are advised to upgrade to these errata packages,\nwhich disable cross-realm authentication by default for Kerberos IV and\nwhich contain patches that correct these issues.",
"title": "Details"
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{
"category": "legal_disclaimer",
"text": "This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.",
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},
{
"category": "external",
"summary": "http://web.mit.edu/kerberos/www/advisories/MITKRB5-SA-2003-003-xdr.txt",
"url": "http://web.mit.edu/kerberos/www/advisories/MITKRB5-SA-2003-003-xdr.txt"
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"url": "https://security.access.redhat.com/data/csaf/v2/advisories/2003/rhsa-2003_091.json"
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"title": "Red Hat Security Advisory: : Updated kerberos packages fix various vulnerabilities",
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"category": "description",
"text": "Integer overflow in the xdrmem_getbytes() function, and possibly other functions, of XDR (external data representation) libraries derived from SunRPC, including libnsl, libc, glibc, and dietlibc, allows remote attackers to execute arbitrary code via certain integer values in length fields, a different vulnerability than CVE-2002-0391.",
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{
"category": "vendor_fix",
"date": "2003-04-02T09:57:00+00:00",
"details": "Before applying this update, make sure all previously released errata\nrelevant to your system have been applied.\n\nTo update all RPMs for your particular architecture, run:\n\nrpm -Fvh [filenames]\n\nwhere [filenames] is a list of the RPMs you wish to upgrade. Only those\nRPMs which are currently installed will be updated. Those RPMs which are\nnot installed but included in the list will not be updated. Note that you\ncan also use wildcards (*.rpm) if your current directory *only* contains the\ndesired RPMs.\n\nPlease note that this update is also available via Red Hat Network. Many\npeople find this an easier way to apply updates. To use Red Hat Network,\nlaunch the Red Hat Update Agent with the following command:\n\nup2date\n\nThis will start an interactive process that will result in the appropriate\nRPMs being upgraded on your system.",
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"notes": [
{
"category": "description",
"text": "The Key Distribution Center (KDC) in Kerberos 5 (krb5) 1.2.7 and earlier allows remote, authenticated attackers to cause a denial of service (crash) on KDCs within the same realm using a certain protocol request that causes the KDC to corrupt its heap (aka \"buffer underrun\").",
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"details": "Before applying this update, make sure all previously released errata\nrelevant to your system have been applied.\n\nTo update all RPMs for your particular architecture, run:\n\nrpm -Fvh [filenames]\n\nwhere [filenames] is a list of the RPMs you wish to upgrade. Only those\nRPMs which are currently installed will be updated. Those RPMs which are\nnot installed but included in the list will not be updated. Note that you\ncan also use wildcards (*.rpm) if your current directory *only* contains the\ndesired RPMs.\n\nPlease note that this update is also available via Red Hat Network. Many\npeople find this an easier way to apply updates. To use Red Hat Network,\nlaunch the Red Hat Update Agent with the following command:\n\nup2date\n\nThis will start an interactive process that will result in the appropriate\nRPMs being upgraded on your system.",
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GSD-2003-0138
Vulnerability from gsd - Updated: 2023-12-13 01:22Details
Version 4 of the Kerberos protocol (krb4), as used in Heimdal and other packages, allows an attacker to impersonate any principal in a realm via a chosen-plaintext attack.
Aliases
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"https://access.redhat.com/errata/RHSA-2003:168",
"https://access.redhat.com/errata/RHSA-2003:091",
"https://access.redhat.com/errata/RHSA-2003:052",
"https://access.redhat.com/errata/RHSA-2003:051"
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"remediation": "unknown",
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"type": "vulnerability"
},
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],
"details": "Version 4 of the Kerberos protocol (krb4), as used in Heimdal and other packages, allows an attacker to impersonate any principal in a realm via a chosen-plaintext attack.",
"id": "GSD-2003-0138",
"modified": "2023-12-13T01:22:12.796329Z",
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{
"name": "RHSA-2003:051",
"refsource": "REDHAT",
"tags": [],
"url": "http://www.redhat.com/support/errata/RHSA-2003-051.html"
},
{
"name": "RHSA-2003:052",
"refsource": "REDHAT",
"tags": [],
"url": "http://www.redhat.com/support/errata/RHSA-2003-052.html"
},
{
"name": "RHSA-2003:091",
"refsource": "REDHAT",
"tags": [],
"url": "http://www.redhat.com/support/errata/RHSA-2003-091.html"
},
{
"name": "7113",
"refsource": "BID",
"tags": [],
"url": "http://www.securityfocus.com/bid/7113"
},
{
"name": "20030317 MITKRB5-SA-2003-004: Cryptographic weaknesses in Kerberos v4 protocol",
"refsource": "BUGTRAQ",
"tags": [],
"url": "http://marc.info/?l=bugtraq\u0026m=104791775804776\u0026w=2"
},
{
"name": "oval:org.mitre.oval:def:248",
"refsource": "OVAL",
"tags": [],
"url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A248"
},
{
"name": "20030331 GLSA: krb5 \u0026 mit-krb5 (200303-28)",
"refsource": "BUGTRAQ",
"tags": [],
"url": "http://www.securityfocus.com/archive/1/316960/30/25250/threaded"
}
]
}
},
"impact": {
"baseMetricV2": {
"cvssV2": {
"accessComplexity": "LOW",
"accessVector": "NETWORK",
"authentication": "NONE",
"availabilityImpact": "PARTIAL",
"baseScore": 7.5,
"confidentialityImpact": "PARTIAL",
"integrityImpact": "PARTIAL",
"vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
"version": "2.0"
},
"exploitabilityScore": 10.0,
"impactScore": 6.4,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": true,
"obtainUserPrivilege": false,
"severity": "HIGH",
"userInteractionRequired": false
}
},
"lastModifiedDate": "2018-10-19T15:29Z",
"publishedDate": "2003-03-24T05:00Z"
}
}
}
FKIE_CVE-2003-0138
Vulnerability from fkie_nvd - Published: 2003-03-24 05:00 - Updated: 2025-04-03 01:03
Severity ?
Summary
Version 4 of the Kerberos protocol (krb4), as used in Heimdal and other packages, allows an attacker to impersonate any principal in a realm via a chosen-plaintext attack.
References
| URL | Tags | ||
|---|---|---|---|
| cve@mitre.org | http://marc.info/?l=bugtraq&m=104791775804776&w=2 | ||
| cve@mitre.org | http://web.mit.edu/kerberos/www/advisories/MITKRB5-SA-2003-004-krb4.txt | Patch, Vendor Advisory | |
| cve@mitre.org | http://www.debian.org/security/2003/dsa-266 | Patch, Vendor Advisory | |
| cve@mitre.org | http://www.debian.org/security/2003/dsa-269 | ||
| cve@mitre.org | http://www.debian.org/security/2003/dsa-273 | ||
| cve@mitre.org | http://www.kb.cert.org/vuls/id/623217 | Patch, Third Party Advisory, US Government Resource | |
| cve@mitre.org | http://www.redhat.com/support/errata/RHSA-2003-051.html | ||
| cve@mitre.org | http://www.redhat.com/support/errata/RHSA-2003-052.html | ||
| cve@mitre.org | http://www.redhat.com/support/errata/RHSA-2003-091.html | ||
| cve@mitre.org | http://www.securityfocus.com/archive/1/316960/30/25250/threaded | ||
| cve@mitre.org | http://www.securityfocus.com/bid/7113 | ||
| cve@mitre.org | https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A248 | ||
| af854a3a-2127-422b-91ae-364da2661108 | http://marc.info/?l=bugtraq&m=104791775804776&w=2 | ||
| af854a3a-2127-422b-91ae-364da2661108 | http://web.mit.edu/kerberos/www/advisories/MITKRB5-SA-2003-004-krb4.txt | Patch, Vendor Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | http://www.debian.org/security/2003/dsa-266 | Patch, Vendor Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | http://www.debian.org/security/2003/dsa-269 | ||
| af854a3a-2127-422b-91ae-364da2661108 | http://www.debian.org/security/2003/dsa-273 | ||
| af854a3a-2127-422b-91ae-364da2661108 | http://www.kb.cert.org/vuls/id/623217 | Patch, Third Party Advisory, US Government Resource | |
| af854a3a-2127-422b-91ae-364da2661108 | http://www.redhat.com/support/errata/RHSA-2003-051.html | ||
| af854a3a-2127-422b-91ae-364da2661108 | http://www.redhat.com/support/errata/RHSA-2003-052.html | ||
| af854a3a-2127-422b-91ae-364da2661108 | http://www.redhat.com/support/errata/RHSA-2003-091.html | ||
| af854a3a-2127-422b-91ae-364da2661108 | http://www.securityfocus.com/archive/1/316960/30/25250/threaded | ||
| af854a3a-2127-422b-91ae-364da2661108 | http://www.securityfocus.com/bid/7113 | ||
| af854a3a-2127-422b-91ae-364da2661108 | https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A248 |
{
"configurations": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:mit:kerberos:4:*:*:*:*:*:*:*",
"matchCriteriaId": "45E4C7CB-044F-47C6-AB40-9D3542CB6326",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "Version 4 of the Kerberos protocol (krb4), as used in Heimdal and other packages, allows an attacker to impersonate any principal in a realm via a chosen-plaintext attack."
},
{
"lang": "es",
"value": "La versi\u00f3n 4 del protocolo Kerberos (kbr4) permite a un atacante impersonar a cualquier principal en un dominio (realm) mediante un ataque de texto plano elegido."
}
],
"id": "CVE-2003-0138",
"lastModified": "2025-04-03T01:03:51.193",
"metrics": {
"cvssMetricV2": [
{
"acInsufInfo": false,
"baseSeverity": "HIGH",
"cvssData": {
"accessComplexity": "LOW",
"accessVector": "NETWORK",
"authentication": "NONE",
"availabilityImpact": "PARTIAL",
"baseScore": 7.5,
"confidentialityImpact": "PARTIAL",
"integrityImpact": "PARTIAL",
"vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
"version": "2.0"
},
"exploitabilityScore": 10.0,
"impactScore": 6.4,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": true,
"obtainUserPrivilege": false,
"source": "nvd@nist.gov",
"type": "Primary",
"userInteractionRequired": false
}
]
},
"published": "2003-03-24T05:00:00.000",
"references": [
{
"source": "cve@mitre.org",
"url": "http://marc.info/?l=bugtraq\u0026m=104791775804776\u0026w=2"
},
{
"source": "cve@mitre.org",
"tags": [
"Patch",
"Vendor Advisory"
],
"url": "http://web.mit.edu/kerberos/www/advisories/MITKRB5-SA-2003-004-krb4.txt"
},
{
"source": "cve@mitre.org",
"tags": [
"Patch",
"Vendor Advisory"
],
"url": "http://www.debian.org/security/2003/dsa-266"
},
{
"source": "cve@mitre.org",
"url": "http://www.debian.org/security/2003/dsa-269"
},
{
"source": "cve@mitre.org",
"url": "http://www.debian.org/security/2003/dsa-273"
},
{
"source": "cve@mitre.org",
"tags": [
"Patch",
"Third Party Advisory",
"US Government Resource"
],
"url": "http://www.kb.cert.org/vuls/id/623217"
},
{
"source": "cve@mitre.org",
"url": "http://www.redhat.com/support/errata/RHSA-2003-051.html"
},
{
"source": "cve@mitre.org",
"url": "http://www.redhat.com/support/errata/RHSA-2003-052.html"
},
{
"source": "cve@mitre.org",
"url": "http://www.redhat.com/support/errata/RHSA-2003-091.html"
},
{
"source": "cve@mitre.org",
"url": "http://www.securityfocus.com/archive/1/316960/30/25250/threaded"
},
{
"source": "cve@mitre.org",
"url": "http://www.securityfocus.com/bid/7113"
},
{
"source": "cve@mitre.org",
"url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A248"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://marc.info/?l=bugtraq\u0026m=104791775804776\u0026w=2"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Patch",
"Vendor Advisory"
],
"url": "http://web.mit.edu/kerberos/www/advisories/MITKRB5-SA-2003-004-krb4.txt"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Patch",
"Vendor Advisory"
],
"url": "http://www.debian.org/security/2003/dsa-266"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.debian.org/security/2003/dsa-269"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.debian.org/security/2003/dsa-273"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Patch",
"Third Party Advisory",
"US Government Resource"
],
"url": "http://www.kb.cert.org/vuls/id/623217"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.redhat.com/support/errata/RHSA-2003-051.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.redhat.com/support/errata/RHSA-2003-052.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.redhat.com/support/errata/RHSA-2003-091.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.securityfocus.com/archive/1/316960/30/25250/threaded"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.securityfocus.com/bid/7113"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A248"
}
],
"sourceIdentifier": "cve@mitre.org",
"vulnStatus": "Deferred",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "NVD-CWE-Other"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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