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postfix: symlink attack

Package(s):postfix CVE #(s):CVE-2009-2939
Created:April 18, 2011 Updated:May 11, 2011
Description: From the Ubuntu advisory:

It was discovered that the Postfix package incorrectly granted write access on the PID directory to the postfix user. A local attacker could use this flaw to possibly conduct a symlink attack and overwrite arbitrary files. This issue only affected Ubuntu 6.06 LTS and 8.04 LTS.

Alerts:
Ubuntu USN-1113-1 2011-04-18
Debian DSA-2233-1 2011-05-10
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