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Effectively enabling you to focus your attention on software
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TITLE:
Microsoft Agent URL Handling Memory Corruption Vulnerability

SECUNIA ADVISORY ID:
SA26753

VERIFY ADVISORY:
http://secunia.com/advisories/26753/

CRITICAL:
Highly critical

IMPACT:
System access

WHERE:
>From remote

OPERATING SYSTEM:
Microsoft Windows 2000 Server
http://secunia.com/product/20/
Microsoft Windows 2000 Professional
http://secunia.com/product/1/
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 2000, which
can be exploited by malicious people to compromise a user's system.

The vulnerability is caused due to an error in the Microsoft Agent
component when handling URLs and can be exploited to cause memory
corruption via a specially crafted URL.

Successful exploitation may allow execution of arbitrary code on a
user's system when e.g. visiting a malicious website.

SOLUTION:
Apply patches.

Microsoft Windows 2000 SP4:
http://www.microsoft.com/downloads/details.aspx?FamilyId=7cd248ed-d154-4dce-89ef-ceefd2700965

PROVIDED AND/OR DISCOVERED BY:
The vendor credits the following:
* Assurent Secure Technologies
* Yamata Li, Palo Alto Networks.
* An anonymous researcher via iDefense.

ORIGINAL ADVISORY:
MS07-051 (KB938827):
http://www.microsoft.com/technet/security/Bulletin/MS07-051.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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