ISS Security Advisory – A flaw in the ProFTPD Unix FTP server versions 1.2.7 through 1.2.9rc2 allows an attacker capable of uploading files the ability to trigger a buffer overflow and execute arbitrary code.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/31692/iss.ProFTPD.txt
Source: https://packetstormsecurity.com/files/31692/iss.ProFTPD.txt.html