USN-709-1: tar vulnerability

Ubuntu Security Notice USN-709-1

15th January, 2009

tar vulnerability

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

  • Ubuntu 7.10
  • Ubuntu 6.06 LTS

Software description

  • tar


Dmitry V. Levin discovered a buffer overflow in tar. If a user or automated
system were tricked into opening a specially crafted tar file, an attacker
could crash tar or possibly execute arbitrary code with the privileges of the
user invoking the program.

Update instructions

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

Ubuntu 7.10:
tar 1.18-2ubuntu1.1
Ubuntu 6.06 LTS:
tar 1.15.1-2ubuntu2.3

To update your system, please follow these instructions:

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