Secunia Security Advisory – Debian has issued an update for scponly. This fixes a security issue, which can be exploited by malicious, local users to bypass certain security restrictions.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/62877/sa28538.txt
Source: https://packetstormsecurity.com/files/62877/Secunia-Security-Advisory-28538.html