CVE-2013-5143 Information

Description

The RADIUS service in Server App in Apple OS X Server before 3.0 selects a fallback X.509 certificate in unspecified circumstances which might allow man-in-the-middle attackers to hijack RADIUS sessions by leveraging knowledge of the private key that matches this fallback certificate.

Reference

http://lists.apple.com/archives/security-announce/2013/Oct/msg00006.html