It was discovered that Ekiga had format string vulnerabilities beyond those fixed in USN-426-1. If a user was running Ekiga and listening for incoming calls, a remote attacker could send a crafted call request, and execute arbitrary code with the user’s privileges.
The problem can be corrected by updating your system to the following package versions:
9 March 2007
A security issue affects these releases of Ubuntu and its derivatives:
It was discovered that Ekiga had format string vulnerabilities beyond those fixed in USN-426-1. If a user was running Ekiga and listening for incoming calls, a remote attacker could send a crafted call request, and execute arbitrary code with the user’s privileges.
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 upgrade you need to restart Ekiga or reboot your computer to effect the necessary changes.