Secunia Security Advisory – A weakness has been reported in Ruby, 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/91571/sa40442.txt
Source: https://packetstormsecurity.com/files/91571/Secunia-Security-Advisory-40442.html

