Secunia Security Advisory – Pankaj Kohli has discovered a vulnerability in httpdx, which can be exploited by malicious people to compromise a vulnerable system.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/81903/sa36991.txt
Source: https://packetstormsecurity.com/files/81903/Secunia-Security-Advisory-36991.html

