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CVE-2012-3817

Status Candidate

Overview

ISC BIND 9.4.x, 9.5.x, 9.6.x, and 9.7.x before 9.7.6-P2; 9.8.x before 9.8.3-P2; 9.9.x before 9.9.1-P2; and 9.6-ESV before 9.6-ESV-R7-P2, when DNSSEC validation is enabled, does not properly initialize the failing-query cache, which allows remote attackers to cause a denial of service (assertion failure and daemon exit) by sending many queries.

Related Files

Apple Security Advisory 2013-09-12-1
Posted Sep 13, 2013
Authored by Apple | Site apple.com

Apple Security Advisory 2013-09-12-1 - OS X Mountain Lion v10.8.5 and Security Update 2013-004 is now available and addresses Apache issues, BIND issues, ClamAV issues, and more.

tags | advisory
systems | apple, osx
advisories | CVE-2012-0883, CVE-2012-2686, CVE-2012-2687, CVE-2012-3499, CVE-2012-3817, CVE-2012-4244, CVE-2012-4558, CVE-2012-5166, CVE-2012-5688, CVE-2013-0166, CVE-2013-0169, CVE-2013-1025, CVE-2013-1026, CVE-2013-1027, CVE-2013-1028, CVE-2013-1029, CVE-2013-1030, CVE-2013-1031, CVE-2013-1032, CVE-2013-1033, CVE-2013-1635, CVE-2013-1643, CVE-2013-1824, CVE-2013-1899, CVE-2013-1900, CVE-2013-1901, CVE-2013-1902, CVE-2013-1903
MD5 | 96c6f398543b51223ffc420751d9b016
Slackware Security Advisory - bind Updates
Posted Dec 10, 2012
Authored by Slackware Security Team | Site slackware.com

Slackware Security Advisory - New bind packages are available for Slackware 12.1, 12.2, 13.0, 13.1, 13.37, 14.0, and -current to fix security issues.

tags | advisory
systems | linux, slackware
advisories | CVE-2012-5688, CVE-2012-5166, CVE-2012-3817, CVE-2012-1667, CVE-2012-3868
MD5 | 6d53abeab43e9182f488028db246c9aa
Gentoo Linux Security Advisory 201209-04
Posted Sep 24, 2012
Authored by Gentoo | Site security.gentoo.org

Gentoo Linux Security Advisory 201209-4 - Multiple vulnerabilities have been found in BIND, the worst of which may allow remote Denial of Service. Versions less than 9.9.1_p3 are affected.

tags | advisory, remote, denial of service, vulnerability
systems | linux, gentoo
advisories | CVE-2012-1033, CVE-2012-1667, CVE-2012-3817, CVE-2012-3868, CVE-2012-4244
MD5 | 772058c5f68b14e9fad5087d7b1a9380
FreeBSD Security Advisory - named Denial Of Service
Posted Aug 8, 2012
Authored by Einar Lonn | Site security.freebsd.org

FreeBSD Security Advisory - BIND 9 stores a cache of query names that are known to be failing due to misconfigured name servers or a broken chain of trust. Under high query loads, when DNSSEC validation is active, it is possible for a condition to arise in which data from this cache of failing queries could be used before it was fully initialized, triggering an assertion failure. A remote attacker that is able to generate high volume of DNSSEC validation enabled queries can trigger the assertion failure that causes it to crash, resulting in a denial of service.

tags | advisory, remote, denial of service
systems | freebsd
advisories | CVE-2012-3817
MD5 | 0ef228d154a335e008640bab911b82dd
Red Hat Security Advisory 2012-1123-01
Posted Jul 31, 2012
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2012-1123-01 - The Berkeley Internet Name Domain is an implementation of the Domain Name System protocols. An uninitialized data structure use flaw was found in BIND when DNSSEC validation was enabled. A remote attacker able to send a large number of queries to a DNSSEC validating BIND resolver could use this flaw to cause it to exit unexpectedly with an assertion failure. Users of bind are advised to upgrade to these updated packages, which correct this issue. After installing the update, the BIND daemon will be restarted automatically.

tags | advisory, remote, protocol
systems | linux, redhat
advisories | CVE-2012-3817
MD5 | c521f8ee4eeb6e4083da4880a8fc23d8
Red Hat Security Advisory 2012-1122-01
Posted Jul 31, 2012
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2012-1122-01 - The Berkeley Internet Name Domain is an implementation of the Domain Name System protocols. An uninitialized data structure use flaw was found in BIND when DNSSEC validation was enabled. A remote attacker able to send a large number of queries to a DNSSEC validating BIND resolver could use this flaw to cause it to exit unexpectedly with an assertion failure. Users of bind97 are advised to upgrade to these updated packages, which correct this issue. After installing the update, the BIND daemon will be restarted automatically.

tags | advisory, remote, protocol
systems | linux, redhat
advisories | CVE-2012-3817
MD5 | 441a43466c190cd60f82c2b71d975174
Debian Security Advisory 2517-1
Posted Jul 31, 2012
Authored by Debian | Site debian.org

Debian Linux Security Advisory 2517-1 - Einar Lonn discovered that under certain conditions bind9, a DNS server, may use cached data before initialization. As a result, an attacker can trigger and assertion failure on servers under high query load that do DNSSEC validation.

tags | advisory
systems | linux, debian
advisories | CVE-2012-3817
MD5 | db2dc5ecc716dc162af2354786fe1bf0
Mandriva Linux Security Advisory 2012-119
Posted Jul 30, 2012
Authored by Mandriva | Site mandriva.com

Mandriva Linux Security Advisory 2012-119 - High numbers of queries with DNSSEC validation enabled can cause an assertion failure in named, caused by using a bad cache data structure before it has been initialized. The updated packages have been upgraded to bind 9.7.6-P2 and 9.8.3-P2 which is not vulnerable to this issue.

tags | advisory
systems | linux, mandriva
advisories | CVE-2012-3817
MD5 | f9530642686cb32cb7bb2fd45e7edcff
Ubuntu Security Notice USN-1518-1
Posted Jul 27, 2012
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 1518-1 - Einar Lonn discovered that Bind incorrectly initialized the failing-query cache. A remote attacker could use this flaw to cause Bind to crash, resulting in a denial of service.

tags | advisory, remote, denial of service
systems | linux, ubuntu
advisories | CVE-2012-3817
MD5 | 8481d843d9b8349825b178bdb9e86f57
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