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TITLE:
Microsoft Windows Active Directory LDAP Request Processing Denial of
Service

SECUNIA ADVISORY ID:
SA30586

VERIFY ADVISORY:
http://secunia.com/advisories/30586/

CRITICAL:
Less critical

IMPACT:
DoS

WHERE:
>From local network

OPERATING SYSTEM:
Microsoft Windows 2000 Advanced Server
http://secunia.com/product/21/
Microsoft Windows 2000 Datacenter Server
http://secunia.com/product/1177/
Microsoft Windows 2000 Server
http://secunia.com/product/20/
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 Server 2008
http://secunia.com/product/18255/

DESCRIPTION:
A vulnerability has been reported in Microsoft Windows, which can be
exploited by malicious people or malicious users to cause a DoS
(Denial of Service).

The vulnerability is caused due to an input validation error in the
processing of LDAP requests. This can be exploited to cause a
vulnerable system to stop responding and automatically restart via a
specially crafted LDAP packet sent to the Active Directory
Application Mode (ADAM), Active Directory, or AD LDS server.

Successful exploitation requires valid logon credentials on Windows
XP Professional, Windows Server 2003, and Windows Server 2008.

NOTE: Active Directory Application Mode (ADAM) is not enabled upon
installation.

SOLUTION:
Apply patches.

-- Active Directory --

Windows 2000 SP4:
http://www.microsoft.com/downloads/details.aspx?FamilyID=53438880-9ea9-4975-9b85-2a1d3d232793

Windows Server 2003 SP1/SP2:
http://www.microsoft.com/downloads/details.aspx?FamilyID=a4aed117-3c76-4d80-b50e-8e07e2ef2f7d

Windows Server 2003 x64 Edition (optionally with SP2):
http://www.microsoft.com/downloads/details.aspx?FamilyID=8298a6e4-d3e2-48ea-ac29-aa4dc5a8ec77

Windows Server 2003 with SP1/SP2 for Itanium-based systems:
http://www.microsoft.com/downloads/details.aspx?FamilyID=f6bf4b85-b91d-4378-a356-cd11f12cbbfd

Windows Server 2008 for 32-bit Systems:
http://www.microsoft.com/downloads/details.aspx?FamilyID=2981156e-2e2f-469e-91be-da127d50f3fc

Windows Server 2008 for x64-based Systems:
http://www.microsoft.com/downloads/details.aspx?FamilyID=b5cfe6f4-c5ba-4be9-a6b8-9381c40c85aa


-- ADAM --

Windows XP SP2/SP3:
http://www.microsoft.com/downloads/details.aspx?FamilyID=7d6aec31-cfb4-470c-983e-78c6a3ebabfe

Windows XP Professional x64 Edition (optionally with SP2):
http://www.microsoft.com/downloads/details.aspx?FamilyID=ef2e0b48-1bde-4ccc-8f40-2918c2568b2b

Windows Server 2003 SP1/SP2:
http://www.microsoft.com/downloads/details.aspx?FamilyID=0a983ffb-4f5a-4b78-9bf5-813dcc5df8d3

Windows Server 2003 x64 Edition (optionally with SP2):
http://www.microsoft.com/downloads/details.aspx?FamilyID=334252db-4a7a-4161-bb71-2a20c0b5bd93


-- AD LDS --

Windows Server 2008 for 32-bit Systems:
http://www.microsoft.com/downloads/details.aspx?FamilyID=2981156e-2e2f-469e-91be-da127d50f3fc

Windows Server 2008 for x64-based Systems:
http://www.microsoft.com/downloads/details.aspx?FamilyID=b5cfe6f4-c5ba-4be9-a6b8-9381c40c85aa

PROVIDED AND/OR DISCOVERED BY:
The vendor credits Alex Matthews and John Guzik of Securify.

ORIGINAL ADVISORY:
MS08-035 (KB953235):
http://www.microsoft.com/technet/security/Bulletin/MS08-035.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
use those supplied by the vendor.

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