module

F5 iControl REST Unauthenticated SSRF Token Generation RCE

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Disclosed
03/10/2021
Created
04/01/2021

Description

This module exploits a pre-auth SSRF in the F5 iControl REST API's
/mgmt/shared/authn/login endpoint to generate an X-F5-Auth-Token that
can be used to execute root commands on an affected BIG-IP or BIG-IQ
device. This vulnerability is known as CVE-2021-22986.

CVE-2021-22986 affects the following BIG-IP versions:

* 12.1.0 - 12.1.5
* 13.1.0 - 13.1.3
* 14.1.0 - 14.1.3
* 15.1.0 - 15.1.2
* 16.0.0 - 16.0.1

And the following BIG-IQ versions:

* 6.0.0 - 6.1.0
* 7.0.0
* 7.1.0

Tested against BIG-IP Virtual Edition 16.0.1 in VMware Fusion.

Authors

wvu Rich Warren

Platform

Linux,Unix

Architectures

cmd, x86, x64

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_rest_ssrf_rce
    msf /(e) > show actions
        ...actions...
    msf /(e) > set ACTION < action-name >
    msf /(e) > show options
        ...show and set options...
    msf /(e) > run
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