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Debian Security Advisory 2517-1

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

Debian Security Advisory 2517-1

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- -------------------------------------------------------------------------
Debian Security Advisory DSA-2517-1 security@debian.org
http://www.debian.org/security/ Nico Golde
July 30, 2012 http://www.debian.org/security/faq
- -------------------------------------------------------------------------

Package : bind9
Vulnerability : denial of service
Problem type : remote
Debian-specific: no
CVE ID : CVE-2012-3817

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.

For the stable distribution (squeeze), this problem has been fixed in
version 1:9.7.3.dfsg-1~squeeze6.

For the testing distribution (wheezy), this problem will be fixed soon.

For the unstable distribution (sid), this problem has been fixed in
version 1:9.8.1.dfsg.P1-4.2.


We recommend that you upgrade your bind9 packages.

Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: http://www.debian.org/security/

Mailing list: debian-security-announce@lists.debian.org

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