bugtraq - SEC Consult SA-20090305-1 :: IBM Director CIM Server Remote Denial of Service Vulnerability

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Date: Tue, 10 Mar 2009 10:07:41 +0000
From: Bernhard Mueller <research@...-consult.com>
To: Full Disclosure <full-disclosure@...ts.grok.org.uk>,
	Bugtraq <bugtraq@...urityfocus.com>
Subject: SEC Consult SA-20090305-1 :: IBM Director CIM Server Remote Denial
 of Service Vulnerability

SEC-CONSULT Security Advisory < 20090305-1 >
=========================================================================================
   title: IBM Director CIM Server Remote Denial of Service Vulnerability
   program: IBM Director for Windows
   vulnerable version: <= 5.20.3 Service Update 2
   homepage: http://www-03.ibm.com/systems/management/director/
   found: Sept. 2008
   by: Bernhard Mueller / SEC Consult Vulnerability Lab
   permanent link:
http://www.sec-consult.com/files/20090305-1_IBM_director_DoS.txt
=========================================================================================

Product description:
---------------

IBM Director is an application that can track and view system
configurations of remote computers. It is available for Linux, AIX, and
Windows servers.

Vulnerability overview:
----------------

The CIM server contained in the IBM Director suite for Microsoft Windows
is vulnerable to a remote denial of service attack. The vulnerability
allows an attacker to crash the service remotely. It will not be
possible to reach the IBM Director agent until the service is manually
restarted.

Vulnerability details:
--------------- 

CIM server crashes on receiving requests that contain overlong consumer
names. The error condition does not allow for the redirection of program
flow.

M-POST /CIMListener/[Ax512] HTTP/1.1
CIMOperation: MethodCall
CIMExport: MethodRequest
CIMExportMethod: ExportIndication

[some xml]

Fix:
---------------

The vendor has adressed this vulnerability in service update 2 for IBM
Director agent 5.20.3. Download link:

https://www14.software.ibm.com/webapp/iwm/web/reg/download.do?source=dmp&S_PKG=director_x_520&S_TACT=sms&lang=en_US&cp=UTF-8

vendor status:
---------------
vendor notified: 2008-11-03
patch available: 2009-03-09

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# EOF Bernhard Mueller, SEC Consult Vulnerability Lab / @2009