Secunia Security Advisory – A vulnerability has been reported in SQLgrey Postfix greylisting service, which can be exploited by malicious people to conduct SQL injection attacks.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/34985/sa13135.txt
Source: https://packetstormsecurity.com/files/34985/Secunia-Security-Advisory-13135.html