full-disclosure - Mapserver for Windows (MS4W) Remote Code Execution

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Date: Wed, 30 May 2012 20:20:27 +0100
From: Mike Arnold <bruk0ut.sec@...il.com>
To: full-disclosure@...ts.grok.org.uk
Subject: Mapserver for Windows (MS4W) Remote Code Execution

-------------------
1) Overview

Title: Mapserver for Windows (MS4W) Remote Code Execution
Product: Mapserver for Windows (MS4W)
Product URL: http://maptools.org/ms4w/
Vendor: Gateway Geomatics
Affected Versions: <=3.0.4 through 2.0
Unaffected Versions: <2.0
CVE-ID: CVE-2012-2950
Vendor notified: 22/02/2012
Vendor fix: 26/05/2012
Severity: High
Credit: Mike Arnold
-------------------
2) Product information (quoted from website)

"The purpose of this package is to allow all levels of MapServer users to
quickly install a working environment for MapServer development on Windows.
It is also an environment for packaging and distributing MapServer
applications."
-------------------
3) Advisory detail

A vulnerability has been discovered in the base MS4W package where by an
attacker
can perform an LFI based attack and run arbitrary PHP code with SYSTEM
level privileges.
This vulnerability is present in MS4W installations with the default
configuration.
-------------------
4) Proof of Concept

An attacker can use basic TCP/IP tools (e.g netcat) and a web browser to
achieve remote code execution.
-------------------
4) Solution

Upgrade to version 3.0.6
http://maptools.org/ms4w/index.phtml?page=downloads.html
-------------------

Mike Arnold: bruk0ut.sec .::at::. gmail com
PGP Key ID: 0xC570B9F4

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