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TITLE:
Microsoft Active Directory Denial of Service Vulnerability

SECUNIA ADVISORY ID:
SA28764

VERIFY ADVISORY:
http://secunia.com/advisories/28764/

CRITICAL:
Less critical

IMPACT:
DoS

WHERE:
>From local network

OPERATING SYSTEM:
Microsoft Windows XP Professional
http://secunia.com/product/22/
Microsoft Windows Storage Server 2003
http://secunia.com/product/12399/
Microsoft Windows Server 2003 Web Edition
http://secunia.com/product/1176/
Microsoft Windows Server 2003 Standard Edition
http://secunia.com/product/1173/
Microsoft Windows Server 2003 Enterprise Edition
http://secunia.com/product/1174/
Microsoft Windows Server 2003 Datacenter Edition
http://secunia.com/product/1175/
Microsoft Windows 2000 Server
http://secunia.com/product/20/
Microsoft Windows 2000 Datacenter Server
http://secunia.com/product/1177/
Microsoft Windows 2000 Advanced Server
http://secunia.com/product/21/

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

The vulnerability is caused due to an input validation error in
Active Directory and Active Directory Application Mode (ADAM) when
handling LDAP (Lightweight Directory Access Protocol) requests. This
can be exploited to cause an affected system to stop responding and
automatically restart by sending a specially crafted LDAP request.

Successful exploitation on Windows Server 2003 or systems with ADAM
installed requires valid logon credentials.

SOLUTION:
Apply patches.

Microsoft Windows 2000 Server SP4 (Active Directory):
http://www.microsoft.com/downloads/details.aspx?FamilyID=9df0875d-0466-4974-b4c0-1ecc777173b1

Windows XP Professional SP2 (ADAM):
http://www.microsoft.com/downloads/details.aspx?FamilyID=bff7dcb9-5d00-442e-b03c-ce923d213faa

Windows XP Professional x64 Edition (optionally with SP2) (ADAM):
http://www.microsoft.com/downloads/details.aspx?FamilyID=36e36e1a-ed0d-45a6-b707-766fabc01fbd

Windows Server 2003 SP1 / SP2 (Active Directory):
http://www.microsoft.com/downloads/details.aspx?FamilyID=63d3d784-f057-4686-b85e-ab5fbab5a722

Windows Server 2003 SP1 / SP2 (ADAM):
http://www.microsoft.com/downloads/details.aspx?FamilyID=60781cf3-7c6d-4795-a9d0-bc18ee356e94

Windows Server 2003 x64 Edition (optionally with SP2) (Active
Directory):
http://www.microsoft.com/downloads/details.aspx?FamilyID=835d647a-dce6-476e-b7c4-928a67b0acfb

Windows Server 2003 x64 Edition (optionally with SP2) (ADAM):
http://www.microsoft.com/downloads/details.aspx?FamilyID=5e97698d-8150-44f9-9d34-87a0db6ba5a7

Windows Server 2003 with SP1/SP2 for Itanium-based systems (Active
Directory):
http://www.microsoft.com/downloads/details.aspx?FamilyID=eda8af09-1a4c-4163-a8bb-97dacdebeae4

PROVIDED AND/OR DISCOVERED BY:
The vendor credits Thomas Garnier, SkyRecon.

ORIGINAL ADVISORY:
MS08-003 (KB946538):
http://www.microsoft.com/technet/security/Bulletin/MS08-003.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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