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Files from Einar Lonn

First Active2012-08-08
Last Active2012-08-08
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
SHA-256 | 14ce0ceb3dfdd72660f83035bfda8974a44d0c866f0212093a308b810aac8df9
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