Ubuntu Security Notice USN-980-1 August 31, 2010
bogofilter vulnerability
CVE-2010-2494
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A security issue affects the following Ubuntu releases:
Ubuntu 8.04 LTS
Ubuntu 9.04
Ubuntu 9.10
Ubuntu 10.04 LTS
This advisory also applies to the corresponding versions of
Kubuntu, Edubuntu, and Xubuntu.
The problem can be corrected by upgrading your system to the
following package versions:
Ubuntu 8.04 LTS:
bogofilter-bdb 1.1.5-2ubuntu5.1
bogofilter-sqlite 1.1.5-2ubuntu5.1
Ubuntu 9.04:
bogofilter-bdb 1.1.7-1ubuntu1.1
bogofilter-sqlite 1.1.7-1ubuntu1.1
Ubuntu 9.10:
bogofilter-bdb 1.2.0-3ubuntu1.1
bogofilter-sqlite 1.2.0-3ubuntu1.1
Ubuntu 10.04 LTS:
bogofilter-bdb 1.2.1-0ubuntu1.1
bogofilter-sqlite 1.2.1-0ubuntu1.1
In general, a standard system update will make all the necessary changes.
Details follow:
Julius Plenz discovered that bogofilter incorrectly handled certain
malformed encodings. By sending a specially crafted email, a remote
attacker could exploit this and cause bogofilter to crash, resulting in a
denial of service.