colord could be made to modify databases.
It was discovered that colord incorrectly handled certain SQL queries. A local attacker could exploit this to modify arbitrary sqlite databases. On Ubuntu, colord runs as its own user by default, so standard file permissions would limit which databases could be altered.
7 December 2011
A security issue affects these releases of Ubuntu and its derivatives:
colord could be made to modify databases.
It was discovered that colord incorrectly handled certain SQL queries. A local attacker could exploit this to modify arbitrary sqlite databases. On Ubuntu, colord runs as its own user by default, so standard file permissions would limit which databases could be altered.
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 reboot your computer to make all the necessary changes.