Ark could be made to remove files.
Tim Brown discovered that Ark did not properly perform input validation when previewing archive files. If a user were tricked into opening a crafted archive file, an attacker could remove files via directory traversal.
21 November 2011
A security issue affects these releases of Ubuntu and its derivatives:
Ark could be made to remove files.
Tim Brown discovered that Ark did not properly perform input validation when previewing archive files. If a user were tricked into opening a crafted archive file, an attacker could remove files via directory traversal.
The problem can be corrected by updating your system to the following package versions:
To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.
After a standard system update you need to restart your session to make all the necessary changes.
NOTE: In order to build KDE Utilities on Ubuntu 10.04 LTS, 10.10 and 11.04, it was necessary to rebuild portions of the KDE point release updates.
Vulmon