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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

PROVIDED AND/OR DISCOVERED BY:
The vendor credits Steven, COSEINC Vulnerability Research Lab.

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

Subscribe:
http://secunia.com/secunia_security_advisories/

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