USN-304-1: gnupg vulnerability

27 June 2006

gnupg vulnerability

A security issue affects these releases of Ubuntu and its derivatives:

  • Ubuntu 6.06 LTS
  • Ubuntu 5.10
  • Ubuntu 5.04

Software Description

Details

Evgeny Legerov discovered that GnuPG did not sufficiently check overly large user ID packets. Specially crafted user IDs caused a buffer overflow. By tricking an user or remote automated system into processing a malicous GnuPG message, an attacker could exploit this to crash GnuPG or possibly even execute arbitrary code.

Update instructions

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

Ubuntu 6.06 LTS
gnupg - 1.4.2.2-1ubuntu2.1
Ubuntu 5.10
gnupg - 1.4.1-1ubuntu1.3
Ubuntu 5.04
gnupg - 1.2.5-3ubuntu5.4

To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.

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

References