1. Ubuntu Security Notices
  2. USN-816-1

USN-816-1: fetchmail vulnerability

Publication date

12 August 2009

Overview

fetchmail vulnerability

Releases

Packages

Details

Matthias Andree discovered that fetchmail did not properly handle
certificates with NULL characters in the certificate name. A remote
attacker could exploit this to perform a machine-in-the-middle attack to
view sensitive information or alter encrypted communications.

Matthias Andree discovered that fetchmail did not properly handle
certificates with NULL characters in the certificate name. A remote
attacker could exploit this to perform a machine-in-the-middle attack to
view sensitive information or alter encrypted communications.

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
9.04 jaunty fetchmail –  6.3.9~rc2-4ubuntu1.1
8.10 intrepid fetchmail –  6.3.8-11ubuntu3.1
8.04 hardy fetchmail –  6.3.8-10ubuntu1.1
6.06 dapper fetchmail –  6.3.2-2ubuntu2.3

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References

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