Ubuntu Security Notice USN-589-1
20th March, 2008
unzip vulnerability
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 7.10
- Ubuntu 7.04
- Ubuntu 6.10
- Ubuntu 6.06 LTS
Software description
- unzip
Details
Tavis Ormandy discovered that unzip did not correctly clean up pointers.
If a user or automated service was tricked into processing a specially
crafted ZIP archive, a remote attacker could execute arbitrary code with
user privileges.
Update instructions
The problem can be corrected by updating your system to the following package version:
- Ubuntu 7.10:
- unzip 5.52-10ubuntu1.1
- Ubuntu 7.04:
- unzip 5.52-9ubuntu3.1
- Ubuntu 6.10:
- unzip 5.52-8ubuntu1.1
- Ubuntu 6.06 LTS:
- unzip 5.52-6ubuntu4.1
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.