USN-1766-1: pam-xdg-support vulnerability
18 March 2013
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 12.10
pam-xdg-support could be made to run programs as an administrator.
- pam-xdg-support - PAM module for XDG_RUNTIME_DIR support
Zbigniew Tenerowicz and Sebastian Krzyszkowiak discovered that pam-xdg-support incorrectly handled the PATH environment variable. A local attacker could use this issue in combination with sudo to possibly escalate 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.
In general, a standard system update will make all the necessary changes.