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TITLE:
Microsoft Windows Print Spooler Service Buffer Overflow Vulnerability

SECUNIA ADVISORY ID:
SA16356

VERIFY ADVISORY:
http://secunia.com/advisories/16356/

CRITICAL:
Moderately critical

IMPACT:
Privilege escalation, System access

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 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 XP Professional
http://secunia.com/product/22/

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

The vulnerability is caused due to an unchecked buffer in
"spoolsv.exe". This can potentially be exploited to execute arbitrary
code by people or users who can connect to the service.

According to Microsoft this can only be exploited to cause a DoS on
Windows XP SP2 and Windows Server 2003.

SOLUTION:
Apply patches.

Microsoft Windows 2000 (requires SP4):
http://www.microsoft.com/downloads/details.aspx?familyid=3DD3B530-7F43-4C18-8298-6E8797431A5D

Microsoft Windows XP (requires SP1 or SP2):
http://www.microsoft.com/downloads/details.aspx?familyid=EF402946-1C3B-47E9-9D51-77D890DF8725

Microsoft Windows Server 2003:
http://www.microsoft.com/downloads/details.aspx?familyid=25469675-DF28-4889-8D13-25EFCD498388

Microsoft Windows Server 2003 for Itanium-based systems:
http://www.microsoft.com/downloads/details.aspx?familyid=F0AEC064-34A3-4EE4-9F15-BE1E3DD02BC7

PROVIDED AND/OR DISCOVERED BY:
The vendor credits Kostya Kortchinsky, CERT RENATER

ORIGINAL ADVISORY:
MS05-043 (KB896423):
http://www.microsoft.com/technet/security/Bulletin/MS05-043.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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