module
Joomla HTTP Header Unauthenticated Remote Code Execution
| Disclosed | Created |
|---|---|
| 12/14/2015 | 05/30/2018 |
Disclosed
12/14/2015
Created
05/30/2018
Description
Joomla suffers from an unauthenticated remote code execution that affects all versions from 1.5.0 to 3.4.5.
By storing user supplied headers in the databases session table it's possible to truncate the input
by sending an UTF-8 character. The custom created payload is then executed once the session is read
from the database. You also need to have a PHP version before 5.4.45 (including 5.3.x), 5.5.29 or 5.6.13.
In later versions the deserialisation of invalid session data stops on the first error and the
exploit will not work. The PHP Patch was included in Ubuntu versions 5.5.9+dfsg-1ubuntu4.13 and
5.3.10-1ubuntu3.20 and in Debian in version 5.4.45-0+deb7u1.
By storing user supplied headers in the databases session table it's possible to truncate the input
by sending an UTF-8 character. The custom created payload is then executed once the session is read
from the database. You also need to have a PHP version before 5.4.45 (including 5.3.x), 5.5.29 or 5.6.13.
In later versions the deserialisation of invalid session data stops on the first error and the
exploit will not work. The PHP Patch was included in Ubuntu versions 5.5.9+dfsg-1ubuntu4.13 and
5.3.10-1ubuntu3.20 and in Debian in version 5.4.45-0+deb7u1.
Authors
Marc-Alexandre MontpasChristian Mehlmauer
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/joomla_http_header_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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