rhsa-2003_116
Vulnerability from csaf_redhat
Published
2003-03-28 13:43
Modified
2024-09-12 22:05
Summary
Red Hat Security Advisory: apache, openssl security update for Stronghold
Notes
Topic
Updated versions of cross-platform Stronghold 4 are available to fix a
number of vulnerabilities in OpenSSL and Apache.
Details
Stronghold 4 contains various open source technologies such as OpenSSL and
Apache. A number of issues have been found in versions of these projects:
Researchers discovered a timing attack on RSA keys that affects OpenSSL.
A local or remote attacker could use this attack to obtain the server's
private key by determining factors using timing differences on (1) the
number of extra reductions during Montgomery reduction and (2) the use of
different integer multiplication algorithms (Karatsuba and normal).
Stronghold does not enable RSA blinding by default and is, therefore,
vulnerable to this attack.
The SSL and TLS components for OpenSSL allow remote attackers to perform an
unauthorized RSA private key operation via a modified Bleichenbacher
attack. This attack (also known as the Klima-Pokorny-Rosa attack) uses a
large number of SSL or TLS connections, using PKCS #1 v1.5 padding, and
causes OpenSSL to leak information regarding the relationship between
ciphertext and the associated plaintext.
Versions of Apache 1.3 before 1.3.25 do not filter terminal escape
sequences from access logs, which could make it easier for attackers to
insert those sequences into terminal emulators containing vulnerabilities
related to escape sequences.
These erratum packages contain a patch provided by the OpenSSL group that
enables RSA blinding by default, thereby protecting against the
Klima-Pokorny-Rosa attack, and a patch to filter escape sequences from
Apache access logs.
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.
{
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"notes": [
{
"category": "summary",
"text": "Updated versions of cross-platform Stronghold 4 are available to fix a\nnumber of vulnerabilities in OpenSSL and Apache.",
"title": "Topic"
},
{
"category": "general",
"text": "Stronghold 4 contains various open source technologies such as OpenSSL and\nApache. A number of issues have been found in versions of these projects:\n\nResearchers discovered a timing attack on RSA keys that affects OpenSSL. \nA local or remote attacker could use this attack to obtain the server\u0027s\nprivate key by determining factors using timing differences on (1) the\nnumber of extra reductions during Montgomery reduction and (2) the use of\ndifferent integer multiplication algorithms (Karatsuba and normal).\nStronghold does not enable RSA blinding by default and is, therefore,\nvulnerable to this attack.\n\nThe SSL and TLS components for OpenSSL allow remote attackers to perform an\nunauthorized RSA private key operation via a modified Bleichenbacher\nattack. This attack (also known as the Klima-Pokorny-Rosa attack) uses a\nlarge number of SSL or TLS connections, using PKCS #1 v1.5 padding, and\ncauses OpenSSL to leak information regarding the relationship between\nciphertext and the associated plaintext.\n\nVersions of Apache 1.3 before 1.3.25 do not filter terminal escape\nsequences from access logs, which could make it easier for attackers to\ninsert those sequences into terminal emulators containing vulnerabilities\nrelated to escape sequences.\n\nThese erratum packages contain a patch provided by the OpenSSL group that\nenables RSA blinding by default, thereby protecting against the\nKlima-Pokorny-Rosa attack, and a patch to filter escape sequences from\nApache access logs.",
"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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"references": [
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"summary": "https://access.redhat.com/errata/RHSA-2003:116",
"url": "https://access.redhat.com/errata/RHSA-2003:116"
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{
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"url": "https://access.redhat.com/security/updates/classification/#important"
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{
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"summary": "http://www.openssl.org/news/secadv_20030319.txt",
"url": "http://www.openssl.org/news/secadv_20030319.txt"
},
{
"category": "external",
"summary": "http://www.openssl.org/news/secadv_20030317.txt",
"url": "http://www.openssl.org/news/secadv_20030317.txt"
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{
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"summary": "Canonical URL",
"url": "https://access.redhat.com/security/data/csaf/v2/advisories/2003/rhsa-2003_116.json"
}
],
"title": "Red Hat Security Advisory: apache, openssl security update for Stronghold",
"tracking": {
"current_release_date": "2024-09-12T22:05:02+00:00",
"generator": {
"date": "2024-09-12T22:05:02+00:00",
"engine": {
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"version": "3.33.3"
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"id": "RHSA-2003:116",
"initial_release_date": "2003-03-28T13:43:00+00:00",
"revision_history": [
{
"date": "2003-03-28T13:43:00+00:00",
"number": "1",
"summary": "Initial version"
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{
"date": "2003-03-28T00:00:00+00:00",
"number": "2",
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{
"date": "2024-09-12T22:05:02+00:00",
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"branches": [
{
"branches": [
{
"category": "product_name",
"name": "Red Hat Stronghold 4",
"product": {
"name": "Red Hat Stronghold 4",
"product_id": "Red Hat Stronghold 4",
"product_identification_helper": {
"cpe": "cpe:/a:redhat:stronghold:4"
}
}
}
],
"category": "product_family",
"name": "Stronghold Cross Platform"
}
],
"category": "vendor",
"name": "Red Hat"
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]
},
"vulnerabilities": [
{
"cve": "CVE-2003-0083",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "1616961"
}
],
"notes": [
{
"category": "description",
"text": "Apache 1.3 before 1.3.25 and Apache 2.0 before version 2.0.46 does not filter terminal escape sequences from its access logs, which could make it easier for attackers to insert those sequences into terminal emulators containing vulnerabilities related to escape sequences, a different vulnerability than CVE-2003-0020.",
"title": "Vulnerability description"
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"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1616961"
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{
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],
"release_date": "2003-02-24T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"details": "Fixed Stronghold 4 packages are now available via the update agent service; run\n\n$ bin/agent\n\nfrom the Stronghold 4 install root to upgrade an existing Stronghold 4\ninstallation to the new package versions. After upgrading Stronghold, the\nserver must be completely restarted by running the following commands from\nthe install root:\n\n$ bin/stop-server\n$ bin/start-server\n\nFor more information on how to upgrade between releases of Stronghold 4,\nsee http://stronghold.redhat.com/support/upgrade-sh4",
"product_ids": [
"Red Hat Stronghold 4"
],
"restart_required": {
"category": "none"
},
"url": "https://access.redhat.com/errata/RHSA-2003:116"
}
],
"title": "security flaw"
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"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "1616975"
}
],
"notes": [
{
"category": "description",
"text": "The SSL and TLS components for OpenSSL 0.9.6i and earlier, 0.9.7, and 0.9.7a allow remote attackers to perform an unauthorized RSA private key operation via a modified Bleichenbacher attack that uses a large number of SSL or TLS connections using PKCS #1 v1.5 padding that cause OpenSSL to leak information regarding the relationship between ciphertext and the associated plaintext, aka the \"Klima-Pokorny-Rosa attack.\"",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "security flaw",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "Red Hat Enterprise Linux 4 and 5 are not vulnerable to this issue as they both contain a backported patch.",
"title": "Statement"
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],
"release_date": "2003-03-19T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"details": "Fixed Stronghold 4 packages are now available via the update agent service; run\n\n$ bin/agent\n\nfrom the Stronghold 4 install root to upgrade an existing Stronghold 4\ninstallation to the new package versions. After upgrading Stronghold, the\nserver must be completely restarted by running the following commands from\nthe install root:\n\n$ bin/stop-server\n$ bin/start-server\n\nFor more information on how to upgrade between releases of Stronghold 4,\nsee http://stronghold.redhat.com/support/upgrade-sh4",
"product_ids": [
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"category": "none"
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"url": "https://access.redhat.com/errata/RHSA-2003:116"
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"title": "security flaw"
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"ids": [
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"system_name": "Red Hat Bugzilla ID",
"text": "1616986"
}
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"notes": [
{
"category": "description",
"text": "OpenSSL does not use RSA blinding by default, which allows local and remote attackers to obtain the server\u0027s private key by determining factors using timing differences on (1) the number of extra reductions during Montgomery reduction, and (2) the use of different integer multiplication algorithms (\"Karatsuba\" and normal).",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "security flaw",
"title": "Vulnerability summary"
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{
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"title": "Statement"
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}
],
"release_date": "2003-03-14T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"details": "Fixed Stronghold 4 packages are now available via the update agent service; run\n\n$ bin/agent\n\nfrom the Stronghold 4 install root to upgrade an existing Stronghold 4\ninstallation to the new package versions. After upgrading Stronghold, the\nserver must be completely restarted by running the following commands from\nthe install root:\n\n$ bin/stop-server\n$ bin/start-server\n\nFor more information on how to upgrade between releases of Stronghold 4,\nsee http://stronghold.redhat.com/support/upgrade-sh4",
"product_ids": [
"Red Hat Stronghold 4"
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"category": "none"
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"url": "https://access.redhat.com/errata/RHSA-2003:116"
}
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"threats": [
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"category": "impact",
"details": "Important"
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"title": "security flaw"
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}
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