module

Pimcore Unserialize RCE

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Disclosed
2019-03-11
Created
2019-04-29

Description

This module exploits a PHP unserialize() in Pimcore before 5.7.1 to
execute arbitrary code. An authenticated user with "classes" permission
could exploit the vulnerability.

The vulnerability exists in the "ClassController.php" class, where the
"bulk-commit" method makes it possible to exploit the unserialize function
when passing untrusted values in "data" parameter.

Tested on Pimcore 5.4.0-5.4.4, 5.5.1-5.5.4, 5.6.0-5.6.6 with the Symfony
unserialize payload.

Tested on Pimcore 4.0.0-4.6.5 with the Zend unserialize payload.

Authors

Daniele Scanu
Fabio Cogno

Platform

PHP

Architectures

php

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/multi/http/pimcore_unserialize_rce
    msf exploit(pimcore_unserialize_rce) > show targets
        ...targets...
    msf exploit(pimcore_unserialize_rce) > set TARGET < target-id >
    msf exploit(pimcore_unserialize_rce) > show options
        ...show and set options...
    msf exploit(pimcore_unserialize_rce) > exploit
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