Set the target action to forward or replace the path directly to /vdesk/hangup.php3 to force immediate cookie drops on invalid traffic strings. 2. Restrict APM Endpoints with iRules
The table below summarizes the most significant findings:
to redirect unauthorized or invalid host requests specifically to /vdesk/hangup.php3 to ensure the session is safely discarded. Exploit-DB Further Exploration Review historical F5 FirePass vulnerabilities
If your vDesk version is end-of-life, you can hot-patch hangup.php3 by adding at the top: vdesk hangupphp3 exploit
This vulnerability allows an attacker to bypass all authorization checks.
/vdesk/hangup.php3 script is a standard logout component used in F5 BIG-IP Access Policy Manager (APM) FirePass SSL VPN
: The underlying operating system runs the injected payload, often initiating a reverse shell back to the attacker. Technical Analysis of the Flaw Set the target action to forward or replace
systems, which have multiple documented vulnerabilities involving PHP scripts in that directory.
It forcefully invalidates active session IDs recorded within the Active Policy Manager memory space.
: Because the administrator is authenticated, the script can execute actions with administrative privileges, such as changing configurations or stealing session cookies. Exploit-DB Modern Risks It forcefully invalidates active session IDs recorded within
This vulnerability allows an with no privileges whatsoever to elevate themselves to full administrator access. The flaw exists in the authorization logic of multiple API endpoints:
The Vdesk Hangup PHP 3 exploit has severe consequences, including: