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MediaWiki SyntaxHighlight extension option injection vulnerability

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MediaWiki SyntaxHighlight extension option injection vulnerability

Disclosed
04/06/2017
Created
05/30/2018

Description

This module exploits an option injection vulnerability in the SyntaxHighlight extension of MediaWiki. It tries to create & execute a PHP file in the document root. The USERNAME & PASSWORD options are only needed if the Wiki is configured as private. This vulnerability affects any MediaWiki installation with SyntaxHighlight version 2.0 installed & enabled. This extension ships with the AIO package of MediaWiki version 1.27.x & 1.28.x. A fix for this issue is included in MediaWiki version 1.28.2 and version 1.27.3.

Author(s)

  • Yorick Koster

Platform

PHP

Architectures

php

Development

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

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