module

F5 BIG-IP iControl CSRF File Write SOAP API

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Disclosed
2022-11-16
Created
2022-11-19

Description

This module exploits a cross-site request forgery (CSRF) vulnerability
in F5 Big-IP's iControl interface to write an arbitrary file to the
filesystem.

While any file can be written to any location as root, the
exploitability is limited by SELinux; the vast majority of writable
locations are unavailable. By default, we write to a script that
executes at reboot, which means the payload will execute the next time
the server boots.

An alternate target - Login - will add a backdoor that executes next
time a user logs in interactively. This overwrites a file,
but we restore it when we get a session

Note that because this is a CSRF vulnerability, it starts a web
server, but an authenticated administrator must visit the site, which
redirects them to the target.

Author

Ron Bowes

Platform

Linux,Unix

Architectures

cmd

References

Module Options

To display the available options, load the module within the Metasploit console and run the commands ‘show options’ or ‘show advanced’:


    msf > use exploit/linux/http/f5_icontrol_soap_csrf_rce_cve_2022_41622
    msf exploit(f5_icontrol_soap_csrf_rce_cve_2022_41622) > show targets
        ...targets...
    msf exploit(f5_icontrol_soap_csrf_rce_cve_2022_41622) > set TARGET < target-id >
    msf exploit(f5_icontrol_soap_csrf_rce_cve_2022_41622) > show options
        ...show and set options...
    msf exploit(f5_icontrol_soap_csrf_rce_cve_2022_41622) > exploit
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