module

Tuleap 9.6 Second-Order PHP Object Injection

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Disclosed
2017-10-23
Created
2018-06-14

Description

This module exploits a Second-Order PHP Object Injection vulnerability in Tuleap could be abused by authenticated users to execute arbitrary PHP code with the permissions of the
webserver. The vulnerability exists because of the User::getRecentElements() method is using the
unserialize() function with data that can be arbitrarily manipulated by a user through the REST
API interface. The exploit's POP chain abuses the __toString() method from the Mustache class
to reach a call to eval() in the Transition_PostActionSubFactory::fetchPostActions() method.

Author

EgiX

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/unix/webapp/tuleap_rest_unserialize_exec
    msf exploit(tuleap_rest_unserialize_exec) > show targets
        ...targets...
    msf exploit(tuleap_rest_unserialize_exec) > set TARGET < target-id >
    msf exploit(tuleap_rest_unserialize_exec) > show options
        ...show and set options...
    msf exploit(tuleap_rest_unserialize_exec) > exploit
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