Mandriva Linux Security Advisory – CRLF injection vulnerability in Sys.Web in Mono 2.0 and earlier allows remote attackers to inject arbitrary HTTP headers and conduct HTTP response splitting attacks via CRLF sequences in the query string. The updated packages have been patched to fix the issue.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/70641/MDVSA-2008-210.txt
Source: https://packetstormsecurity.com/files/70641/Mandriva-Linux-Security-Advisory-2008-210.html