Assurance.com.au – Vulnerability Advisory: Multiple vulnerabilities in Linux based Cisco products. the “show” application has several vulnerabilities which allow an attacker to “break out” of the shell and execute commands (including /bin/sh) as the root user.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/45879/linux-cisco.txt
Source: https://packetstormsecurity.com/files/45879/linux-cisco.txt.html