Leonardo Nve has reported a vulnerability in F5 FirePass 4100 SSL VPN, which can be exploited by malicious people to compromise a vulnerable system.

Input passed to the "username" parameter in my.activation.php3 is not properly sanitised before being used when executing shell commands. Under certain circumstances, this can be exploited to inject and execute arbitrary shell commands.

The vulnerability is reported in F5 FirePass 4100 SSL VPN. Other versions may also be affected.

Solution
Apply hotfix HF-75705-76003-1 or later.
Further details available to Secunia VIM customers

Provided and/or discovered by
Leonardo Nve, S21Sec

Changelog
Further details available to Secunia VIM customers

Original Advisory
F5:
https://tech.f5.com/home/solutions/sol167.html

S21Sec:
http://www.s21sec.com/avisos/s21sec-035-en.txt

Deep Links
Links available to Secunia VIM customers