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Gmane
From: Marc Deslauriers <marc.deslauriers <at> canonical.com>
Subject: [USN-1766-1] pam-xdg-support vulnerability
Newsgroups: gmane.linux.ubuntu.security.announce
Date: Monday 18th March 2013 17:19:33 UTC (over 3 years ago)
==========================================================================
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:
  http://www.ubuntu.com/usn/usn-1766-1
  CVE-2013-1052

Package Information:
  https://launchpad.net/ubuntu/+source/pam-xdg-support/0.2-0ubuntu1.1
 
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