Eterm when built links to LibAST. A stack overflow vulnerability exists in LibAST that allows an attacker to execute commands with user group utmp.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/43420/Eterm-LibAST.txt
Source: https://packetstormsecurity.com/files/43420/Eterm-LibAST.txt.html