From: Secunia Security Advisories (sec-advsecunia.com)
Date: Tue Sep 12 2006 - 13:32:04 CDT

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TITLE:
Microsoft Windows Pragmatic General Multicast Code Execution

SECUNIA ADVISORY ID:
SA21851

VERIFY ADVISORY:
http://secunia.com/advisories/21851/

CRITICAL:
Moderately critical

IMPACT:
System access

WHERE:
From local network

OPERATING SYSTEM:
Microsoft Windows XP Home Edition
http://secunia.com/product/16/
Microsoft Windows XP Professional
http://secunia.com/product/22/

DESCRIPTION:
A vulnerability has been reported in Microsoft Windows XP, which can
be exploited by malicious people to compromise a vulnerable system.

The vulnerability is caused due to an error in the handling of PGM
(Pragmatic General Multicast) messages and can be exploited via a
specially crafted multicast message.

Successful exploitation allows execution of arbitrary code, but
requires that the MSMQ (Microsoft Message Queuing) service is
installed (not installed by default).

SOLUTION:
Apply patch.

Microsoft Windows XP SP1/SP2:
http://www.microsoft.com/downloads/details.aspx?FamilyId=ce264ac4-6ca3-4732-9016-3143ff1bca2f

PROVIDED AND/OR DISCOVERED BY:
The vendor credits David Warden, NuPaper.

ORIGINAL ADVISORY:
MS06-052 (KB919007):
http://www.microsoft.com/technet/security/Bulletin/MS06-052.mspx

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