Ubuntu Security Notice USN-664-1
6th November, 2008
tk8.0, tk8.3, tk8.4 vulnerability
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 8.04 LTS
- Ubuntu 7.10
- Ubuntu 6.06 LTS
Software description
- tk8.0
- tk8.3
- tk8.4
Details
It was discovered that Tk could be made to overrun a buffer when loading
certain images. If a user were tricked into opening a specially crafted
GIF image, remote attackers could cause a denial of service or execute
arbitrary code with user privileges.
Update instructions
The problem can be corrected by updating your system to the following package version:
- Ubuntu 8.04 LTS:
- tk8.4 8.4.16-2ubuntu1.1
- Ubuntu 7.10:
- tk8.4 8.4.15-1ubuntu1.1
- tk8.3 8.3.5-6ubuntu3.1
- Ubuntu 6.06 LTS:
- tk8.4 8.4.12-0ubuntu1.2
- tk8.3 8.3.5-4ubuntu1.2
- tk8.0 8.0.5-11ubuntu0.1
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.