CVE-2013-4327

Summary

systemd does not properly use D-Bus for communication with a polkit authority, which allows local users to bypass intended access restrictions by leveraging a PolkitUnixProcess PolkitSubject race condition via a (1) setuid process or (2) pkexec process, a related issue to CVE-2013-4288.

Impact & exploitability

AV:L/AC:M/Au:N/C:C/I:C/A:C

Affected products we track (1)

Recommendation

Apply the vendor fix in your normal patch cycle. Open any affected product above for its exact safe version.

Official patch: https://bugzilla.redhat.com/show_bug.cgi?id=1006680 ↗

Additional information

• NVD record
• https://bugzilla.redhat.com/show_bug.cgi?id=1006680Patch
• http://www.ubuntu.com/usn/USN-1961-1Advisory
• http://www.debian.org/security/2013/dsa-2777Advisory
• http://www.openwall.com/lists/oss-security/2013/09/18/6Advisory