[PCWorks] Microsoft WebDAV (WebClient Service) Mini-Redirector Code Execution Vulnerability

  • From: "Clint Hamilton-PCWorks Admin-OrpheusComputing.com & ComputersCustomBuilt.com" <PCWorks@xxxxxxxxxxxxxxxxxxxxxxxx>
  • To: "PCWorks@xxxxxxxxxxxxx" <pcworks@xxxxxxxxxxxxx>
  • Date: Wed, 13 Feb 2008 06:22:48 -0600

TITLE:
Microsoft WebDAV Mini-Redirector Code Execution Vulnerability

SECUNIA ADVISORY ID:
SA28894

VERIFY ADVISORY:
http://secunia.com/advisories/28894/

CRITICAL:
Highly critical

IMPACT:
System access

WHERE:
From remote

OPERATING SYSTEM:
Microsoft Windows XP Home Edition
http://secunia.com/product/16/
Microsoft Windows XP Professional
http://secunia.com/product/22/
Microsoft Windows Server 2003 Datacenter Edition
http://secunia.com/product/1175/
Microsoft Windows Server 2003 Enterprise Edition
http://secunia.com/product/1174/
Microsoft Windows Server 2003 Standard Edition
http://secunia.com/product/1173/
Microsoft Windows Server 2003 Web Edition
http://secunia.com/product/1176/
Microsoft Windows Storage Server 2003
http://secunia.com/product/12399/
Microsoft Windows Vista
http://secunia.com/product/13223/

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

The vulnerability is caused due to an error in the WebDAV
Mini-Redirector (a.k.a Web Client service) when handling long
pathnames in WebDAV responses. This can be exploited to cause a
heap-based buffer overflow via a specially crafted WebDAV 
response.

Successful exploitation allows execution of arbitrary code.

SOLUTION:
Apply patches.

Windows XP SP2:
http://www.microsoft.com/downloads/details.aspx?FamilyId=afeef3ec-6160-4c1d-94bd-0bfce641d0a2

Windows XP Professional x64 Edition (optionally with SP2):
http://www.microsoft.com/downloads/details.aspx?FamilyID=15b7d1c4-4ef4-47b2-9e3b-22eafbdb90d8

Windows Server 2003 SP1 / SP2:
http://www.microsoft.com/downloads/details.aspx?FamilyID=b7e725bf-7248-4119-aca5-b7d502c09cfc

Windows Server 2003 x64 Edition (optionally with SP2):
http://www.microsoft.com/downloads/details.aspx?FamilyID=8af82f86-731c-46a0-a025-b62447e2af38

Windows Server 2003 with SP1/SP2 for Itanium-based systems:
http://www.microsoft.com/downloads/details.aspx?FamilyID=bca224db-fe0e-411d-a948-1c776ce974f3

Windows Vista:
http://www.microsoft.com/downloads/details.aspx?FamilyID=ba7a2b42-1c89-45e5-b8a6-049fa500c03a

Windows Vista x64 Edition:
http://www.microsoft.com/downloads/details.aspx?FamilyID=45962232-af78-42cb-bfa0-9ce7de199585

ORIGINAL ADVISORY:
MS08-007 (KB946026):
http://www.microsoft.com/technet/security/Bulletin/MS08-007.mspx


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