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TITLE:
Microsoft Windows Workstation Service Memory Corruption

SECUNIA ADVISORY ID:
SA36220

VERIFY ADVISORY:
http://secunia.com/advisories/36220/

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

The vulnerability is caused due to a double free error in the Windows
Workstation Service when processing RPC requests. This can be
exploited to trigger a memory corruption via a specially crafted RPC
request sent to an affected system.

Successful exploitation may allow execution of arbitrary code.

SOLUTION:
Apply patches.

Windows XP SP2/SP3:
http://www.microsoft.com/downloads/details.aspx?familyid=9c0e5bff-c248-4e87-a83b-82ba52f5299d

Windows XP Professional x64 Edition Service Pack 2:
http://www.microsoft.com/downloads/details.aspx?familyid=7b64a454-d383-47e3-b469-b87e2b3c1a9f

Windows Server 2003 Service Pack 2:
http://www.microsoft.com/downloads/details.aspx?familyid=9cb0477f-0656-47f5-bd35-5716e0572fbd

Windows Server 2003 x64 Edition Service Pack 2:
http://www.microsoft.com/downloads/details.aspx?familyid=96fbf65f-1db2-432d-92a0-6669d8abaeb0

Windows Server 2003 with SP2 for Itanium-based Systems:
http://www.microsoft.com/downloads/details.aspx?familyid=11321f48-8997-4b99-982a-3ba4ad3f5992

Windows Vista (optionally with Service Pack 1 or Service Pack 2):
http://www.microsoft.com/downloads/details.aspx?familyid=979ac9da-940f-49e7-91a2-b12db3708076

Windows Vista x64 Edition (optionally with Service Pack 1 or Service
Pack 2):
http://www.microsoft.com/downloads/details.aspx?familyid=b9aa04cc-a5c5-47ae-bf0f-250cff275d26

Windows Server 2008 for 32-bit Systems (optionally with Service Pack
2):
http://www.microsoft.com/downloads/details.aspx?familyid=24c77c27-0b7d-4a35-a871-b453f90e5913

Windows Server 2008 for x64-based Systems (optionally with Service
Pack 2):
http://www.microsoft.com/downloads/details.aspx?familyid=48d0432e-704a-4bbb-b0a1-cd14069a8e93

Windows Server 2008 for Itanium-based Systems (optionally with
Service Pack 2):
http://www.microsoft.com/downloads/details.aspx?familyid=c119223c-f4e0-449b-8e7b-a6bf11c98f94

PROVIDED AND/OR DISCOVERED BY:
The vendor credits Cody Pierce of TippingPoint DVLabs.

ORIGINAL ADVISORY:
MS09-041 (KB971657):
http://www.microsoft.com/technet/security/Bulletin/MS09-041.mspx

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About:
This Advisory was delivered by Secunia as a free service to help
everybody keeping their systems up to date against the latest
vulnerabilities.

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Definitions: (Criticality, Where etc.)
http://secunia.com/advisories/about_secunia_advisories/


Please Note:
Secunia recommends that you verify all advisories you receive by
clicking the link.
Secunia NEVER sends attached files with advisories.
Secunia does not advise people to install third party patches, only
use those supplied by the vendor.

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