rhsa-2013_0690
Vulnerability from csaf_redhat
Published
2013-03-28 21:58
Modified
2024-11-22 06:25
Summary
Red Hat Security Advisory: bind97 security update
Notes
Topic
Updated bind97 packages that fix one security issue are now available for
Red Hat Enterprise Linux 5.
The Red Hat Security Response Team has rated this update as having
important security impact. A Common Vulnerability Scoring System (CVSS)
base score, which gives a detailed severity rating, is available from the
CVE link in the References section.
Details
The Berkeley Internet Name Domain (BIND) is an implementation of the
Domain Name System (DNS) protocols. BIND includes a DNS server (named); a
resolver library (routines for applications to use when interfacing with
DNS); and tools for verifying that the DNS server is operating correctly.
A denial of service flaw was found in the libdns library. A remote attacker
could use this flaw to send a specially-crafted DNS query to named that,
when processed, would cause named to use an excessive amount of memory, or
possibly crash. (CVE-2013-2266)
Note: This update disables the syntax checking of NAPTR (Naming Authority
Pointer) resource records.
All bind97 users are advised to upgrade to these updated packages, which
contain a patch to correct this issue. After installing the update, the
BIND daemon (named) will be restarted automatically.
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.
{ "document": { "aggregate_severity": { "namespace": "https://access.redhat.com/security/updates/classification/", "text": "Important" }, "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 bind97 packages that fix one security issue are now available for\nRed Hat Enterprise Linux 5.\n\nThe Red Hat Security Response Team has rated this update as having\nimportant security impact. A Common Vulnerability Scoring System (CVSS)\nbase score, which gives a detailed severity rating, is available from the\nCVE link in the References section.", "title": "Topic" }, { "category": "general", "text": "The Berkeley Internet Name Domain (BIND) is an implementation of the\nDomain Name System (DNS) protocols. BIND includes a DNS server (named); a\nresolver library (routines for applications to use when interfacing with\nDNS); and tools for verifying that the DNS server is operating correctly.\n\nA denial of service flaw was found in the libdns library. A remote attacker\ncould use this flaw to send a specially-crafted DNS query to named that,\nwhen processed, would cause named to use an excessive amount of memory, or\npossibly crash. (CVE-2013-2266)\n\nNote: This update disables the syntax checking of NAPTR (Naming Authority\nPointer) resource records.\n\nAll bind97 users are advised to upgrade to these updated packages, which\ncontain a patch to correct this issue. After installing the update, the\nBIND daemon (named) will be restarted automatically.", "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-2013:0690", "url": "https://access.redhat.com/errata/RHSA-2013:0690" }, { "category": "external", "summary": "https://access.redhat.com/security/updates/classification/#important", "url": "https://access.redhat.com/security/updates/classification/#important" }, { "category": "external", "summary": "http://www.isc.org/software/bind/advisories/cve-2013-2266", "url": "http://www.isc.org/software/bind/advisories/cve-2013-2266" }, { "category": "external", "summary": "928027", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=928027" }, { "category": "self", "summary": "Canonical URL", "url": "https://security.access.redhat.com/data/csaf/v2/advisories/2013/rhsa-2013_0690.json" } ], "title": "Red Hat Security Advisory: bind97 security update", "tracking": { "current_release_date": "2024-11-22T06:25:46+00:00", "generator": { "date": "2024-11-22T06:25:46+00:00", "engine": { "name": "Red Hat SDEngine", "version": "4.2.1" } }, "id": "RHSA-2013:0690", "initial_release_date": "2013-03-28T21:58:00+00:00", "revision_history": [ { "date": "2013-03-28T21:58:00+00:00", "number": "1", "summary": "Initial version" }, { "date": "2013-03-28T22:00:25+00:00", "number": "2", "summary": "Last updated version" }, { "date": "2024-11-22T06:25:46+00:00", "number": "3", "summary": "Last generated version" } ], "status": "final", "version": "3" } }, "product_tree": { 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"5Server-5.9.Z" } ] }, "vulnerabilities": [ { "cve": "CVE-2013-2266", "discovery_date": "2013-03-26T00:00:00+00:00", "ids": [ { "system_name": "Red Hat Bugzilla ID", "text": "928027" } ], "notes": [ { "category": "description", "text": "libdns in ISC BIND 9.7.x and 9.8.x before 9.8.4-P2, 9.8.5 before 9.8.5b2, 9.9.x before 9.9.2-P2, and 9.9.3 before 9.9.3b2 on UNIX platforms allows remote attackers to cause a denial of service (memory consumption) via a crafted regular expression, as demonstrated by a memory-exhaustion attack against a machine running a named process.", "title": "Vulnerability description" }, { "category": "summary", "text": "bind: libdns regular expressions excessive resource consumption DoS", "title": "Vulnerability summary" }, { "category": "other", "text": "This issue did not affect the versions of bind package as shipped with Red Hat Enterprise Linux 3, 4, and 5. This issue was corrected in bind97 packages in Red Hat Enterprise Linux 5 and bind packages in Red Hat Enterprise Linux 6.", "title": "Statement" }, { "category": "general", "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.", "title": "CVSS score applicability" } ], "product_status": { "fixed": [ "5Server-5.9.Z:bind97-32:9.7.0-17.P2.el5_9.1.i386", "5Server-5.9.Z:bind97-32:9.7.0-17.P2.el5_9.1.ia64", "5Server-5.9.Z:bind97-32:9.7.0-17.P2.el5_9.1.ppc", "5Server-5.9.Z:bind97-32:9.7.0-17.P2.el5_9.1.s390x", "5Server-5.9.Z:bind97-32:9.7.0-17.P2.el5_9.1.src", "5Server-5.9.Z:bind97-32:9.7.0-17.P2.el5_9.1.x86_64", "5Server-5.9.Z:bind97-chroot-32:9.7.0-17.P2.el5_9.1.i386", "5Server-5.9.Z:bind97-chroot-32:9.7.0-17.P2.el5_9.1.ia64", "5Server-5.9.Z:bind97-chroot-32:9.7.0-17.P2.el5_9.1.ppc", "5Server-5.9.Z:bind97-chroot-32:9.7.0-17.P2.el5_9.1.s390x", "5Server-5.9.Z:bind97-chroot-32:9.7.0-17.P2.el5_9.1.x86_64", "5Server-5.9.Z:bind97-debuginfo-32:9.7.0-17.P2.el5_9.1.i386", "5Server-5.9.Z:bind97-debuginfo-32:9.7.0-17.P2.el5_9.1.ia64", "5Server-5.9.Z:bind97-debuginfo-32:9.7.0-17.P2.el5_9.1.ppc", "5Server-5.9.Z:bind97-debuginfo-32:9.7.0-17.P2.el5_9.1.ppc64", "5Server-5.9.Z:bind97-debuginfo-32:9.7.0-17.P2.el5_9.1.s390", "5Server-5.9.Z:bind97-debuginfo-32:9.7.0-17.P2.el5_9.1.s390x", "5Server-5.9.Z:bind97-debuginfo-32:9.7.0-17.P2.el5_9.1.x86_64", "5Server-5.9.Z:bind97-devel-32:9.7.0-17.P2.el5_9.1.i386", "5Server-5.9.Z:bind97-devel-32:9.7.0-17.P2.el5_9.1.ia64", "5Server-5.9.Z:bind97-devel-32:9.7.0-17.P2.el5_9.1.ppc", "5Server-5.9.Z:bind97-devel-32:9.7.0-17.P2.el5_9.1.ppc64", "5Server-5.9.Z:bind97-devel-32:9.7.0-17.P2.el5_9.1.s390", "5Server-5.9.Z:bind97-devel-32:9.7.0-17.P2.el5_9.1.s390x", "5Server-5.9.Z:bind97-devel-32:9.7.0-17.P2.el5_9.1.x86_64", "5Server-5.9.Z:bind97-libs-32:9.7.0-17.P2.el5_9.1.i386", "5Server-5.9.Z:bind97-libs-32:9.7.0-17.P2.el5_9.1.ia64", "5Server-5.9.Z:bind97-libs-32:9.7.0-17.P2.el5_9.1.ppc", "5Server-5.9.Z:bind97-libs-32:9.7.0-17.P2.el5_9.1.ppc64", "5Server-5.9.Z:bind97-libs-32:9.7.0-17.P2.el5_9.1.s390", "5Server-5.9.Z:bind97-libs-32:9.7.0-17.P2.el5_9.1.s390x", "5Server-5.9.Z:bind97-libs-32:9.7.0-17.P2.el5_9.1.x86_64", "5Server-5.9.Z:bind97-utils-32:9.7.0-17.P2.el5_9.1.i386", "5Server-5.9.Z:bind97-utils-32:9.7.0-17.P2.el5_9.1.ia64", "5Server-5.9.Z:bind97-utils-32:9.7.0-17.P2.el5_9.1.ppc", "5Server-5.9.Z:bind97-utils-32:9.7.0-17.P2.el5_9.1.s390x", "5Server-5.9.Z:bind97-utils-32:9.7.0-17.P2.el5_9.1.x86_64" ] }, "references": [ { "category": "self", "summary": "Canonical URL", "url": "https://access.redhat.com/security/cve/CVE-2013-2266" }, { "category": "external", "summary": "RHBZ#928027", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=928027" }, { "category": "external", "summary": "https://www.cve.org/CVERecord?id=CVE-2013-2266", "url": "https://www.cve.org/CVERecord?id=CVE-2013-2266" }, { "category": "external", "summary": "https://nvd.nist.gov/vuln/detail/CVE-2013-2266", "url": "https://nvd.nist.gov/vuln/detail/CVE-2013-2266" }, { "category": "external", "summary": "https://kb.isc.org/article/AA-00871", "url": "https://kb.isc.org/article/AA-00871" }, { "category": "external", "summary": "https://kb.isc.org/article/AA-00879", "url": "https://kb.isc.org/article/AA-00879" } ], "release_date": "2013-03-26T00:00:00+00:00", "remediations": [ { "category": "vendor_fix", "date": "2013-03-28T21:58:00+00:00", "details": "Before applying this update, make sure all previously-released errata\nrelevant to your system have been applied.\n\nThis update is available via the Red Hat Network. 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"5Server-5.9.Z:bind97-utils-32:9.7.0-17.P2.el5_9.1.x86_64" ] } ], "threats": [ { "category": "impact", "details": "Important" } ], "title": "bind: libdns regular expressions excessive resource consumption DoS" } ] }
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Sightings
Author | Source | Type | Date |
---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.