mod_digest_apple for Apache 1.3.31 and 1.3.32 on Mac OS X Server does not properly verify the nonce of a client response, which allows remote attackers to replay credentials.
https://exchange.xforce.ibmcloud.com/vulnerabilities/18347
http://www.securitytracker.com/alerts/2004/Dec/1012414.html
http://www.securityfocus.com/bid/9571
http://www.ciac.org/ciac/bulletins/p-049.shtml
http://lists.apple.com/archives/security-announce/2004/Dec/msg00000.html