=========================================================================Ubuntu Security Notice USN-1766-1
March 18, 2013
pam-xdg-support vulnerability
=========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 12.10
Summary:
pam-xdg-support could be made to run programs as an administrator.
Software Description:
- pam-xdg-support: PAM module for XDG_RUNTIME_DIR support
Details:
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.
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 12.10:
libpam-xdg-support 0.2-0ubuntu1.1
In general, a standard system update will make all the necessary changes.
References:
https://ubuntu.com/security/notices/USN-1766-1
CVE-2013-1052
Package Information:
https://launchpad.net/ubuntu/+source/pam-xdg-support/0.2-0ubuntu1.1