Referenced CVEs:
CVE-2007-6341
Description:
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Ubuntu Security Notice USN-594-1 March 26, 2008
libnet-dns-perl vulnerability
CVE-2007-6341
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A security issue affects the following Ubuntu releases:
Ubuntu 6.06 LTS
Ubuntu 6.10
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 6.06 LTS:
libnet-dns-perl 0.53-2ubuntu1.1
Ubuntu 6.10:
libnet-dns-perl 0.57-1ubuntu1.1
In general, a standard system upgrade is sufficient to effect the
necessary changes.
Details follow:
It was discovered that Net::DNS did not correctly validate the size
of DNS replies. A remote attacker could send a specially crafted DNS
response and cause applications using Net::DNS to abort, leading to a
denial of service.



