CVE-2017-0372

Related Files

MediaWiki SyntaxHighlight Extension Option Injection

Posted May 20, 2017

Authored by Yorick Koster | Site metasploit.com

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

tags | exploit, root, php

advisories | CVE-2017-0372

SHA-256 | 42e48276927339958a36dbb2f1b6e10a0ccdc795bdf63b73b3596ebd982b5dac

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SyntaxHighlight 2.0 MediaWiki 1.28.0 Stored Cross Site Scripting

Posted Apr 29, 2017

Authored by Yorick Koster, Securify B.V.

A vulnerability was found in the SyntaxHighlight MediaWiki extension. Using this vulnerability it is possible for an anonymous attacker to pass arbitrary options to the Pygments library. By specifying specially crafted options, it is possible for an attacker to trigger a (stored) cross site scripting condition. In addition, it allows the creating of arbitrary files containing user-controllable data. Depending on the server configuration, this can be used by an anonymous attacker to execute arbitrary PHP code. This issue was tested on SyntaxHighlight version 2.0 as bundled with MediaWiki version 1.28.0.

tags | exploit, arbitrary, php, xss

advisories | CVE-2017-0372

SHA-256 | 50546f158305a6607d2ea38624dad8d3ab66ba8a94154dea7e2eb2e025f51253

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