Secunia Security Advisory – Some vulnerabilities have been reported in Cisco IOS, which can be exploited by malicious people to cause a DoS (Denial of Service) and potentially compromise a vulnerable system.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/53944/sa23867.txt
Source: https://packetstormsecurity.com/files/53944/Secunia-Security-Advisory-23867.html