1. Ubuntu Security Notices
  2. USN-642-1

USN-642-1: Postfix vulnerability

Publication date

10 September 2008

Overview

Postfix vulnerability

Releases

Packages

Details

Wietse Venema discovered that Postfix leaked internal file descriptors
when executing non-Postfix commands. A local attacker could exploit
this to cause Postfix to run out of descriptors, leading to a denial
of service.

Wietse Venema discovered that Postfix leaked internal file descriptors
when executing non-Postfix commands. A local attacker could exploit
this to cause Postfix to run out of descriptors, leading to a denial
of service.

Update instructions

In general, a standard system upgrade is sufficient to effect the necessary changes.

Learn more about how to get the fixes.

The problem can be corrected by updating your system to the following package versions:

Ubuntu Release Package Version
8.04 hardy postfix –  2.5.1-2ubuntu1.2
7.10 gutsy postfix –  2.4.5-3ubuntu1.3

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References

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