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Microsoft Windows Animated Cursor Buffer Overflow Vulnerability
Secunia Advisory: SA24659
Release Date: 2007-03-30
Last Update: 2007-05-09
Popularity: 76,363 views

Critical:
Extremely critical
Impact: System access
Where: From remote
Solution Status: Vendor Patch

OS:Microsoft Windows 2000 Advanced Server
Microsoft Windows 2000 Datacenter Server
Microsoft Windows 2000 Professional
Microsoft Windows 2000 Server
Microsoft Windows Server 2003 Datacenter Edition
Microsoft Windows Server 2003 Enterprise Edition
Microsoft Windows Server 2003 Standard Edition
Microsoft Windows Server 2003 Web Edition
Microsoft Windows Storage Server 2003
Microsoft Windows Vista
Microsoft Windows XP Home Edition
Microsoft Windows XP Professional

Binary Analysis: BA80 :: Available for 1 Credit

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CVE reference:CVE-2007-0038


Description:
A vulnerability has been discovered in Microsoft Windows, which can be exploited by malicious people to compromise a user's system.

The vulnerability is caused due to a boundary error within the handling of animated cursors and can be exploited to cause a stack-based buffer overflow via a specially crafted animated cursor file.

Successful exploitation allows execution of arbitrary code when a user e.g. visits a malicious website using Internet Explorer or opens a malicious e-mail message.

NOTE: The vulnerability is currently being actively exploited.

Solution:
Apply patches.

Windows 2000 SP4:
http://www.microsoft.com/downloads/de...=92F20599-3E7B-4217-91E6-FDCFB4C56856

Windows XP SP2:
http://www.microsoft.com/downloads/de...=F82EA184-945F-4B78-9463-10AC20A75020

Windows XP Professional x64 Edition:
http://www.microsoft.com/downloads/de...=EA5E1B87-4DB5-4B1A-891E-29C6BD6C0184

Windows Server 2003:
http://www.microsoft.com/downloads/de...=9F73A782-DEAF-46E0-B3E0-79042FF39979

Windows Server 2003 (Itanium):
http://www.microsoft.com/downloads/de...=7BA63879-4FC7-4A5C-B9B5-F98C5CDC6840

Windows Server 2003 x64 Edition:
http://www.microsoft.com/downloads/de...=3276DD11-4E2F-4183-A542-82AC3C6D9754

Windows Vista:
http://www.microsoft.com/downloads/de...=D8B0E65C-5B41-46EB-92DF-0B062CFCDEEC

Windows Vista x64 Edition:
http://www.microsoft.com/downloads/de...=FB0FF2B5-05FE-4158-B4B7-DA0D7F82C04B

Provided and/or discovered by:
Discovered as a 0-day.

Independently reported by Alexander Sotirov, Determina Security Research.

Changelog:
2007-03-30: Added CVE reference and link to Determina.
2007-04-02: Added additional information. Updated "Extended Solution" section.
2007-04-03: Updated "Solution" section.
2007-05-09: Added additional link to Determina.

Original Advisory:
Microsoft (KB925902):
http://www.microsoft.com/technet/security/Bulletin/MS07-017.mspx

Microsoft:
http://www.microsoft.com/technet/security/advisory/935423.mspx
http://blogs.technet.com/msrc/archive...-security-advisory-935423-posted.aspx
http://blogs.technet.com/msrc/archive...crosoft-security-advisory-935423.aspx
http://blogs.technet.com/msrc/archive...crosoft-security-advisory-935423.aspx

Determina:
http://www.determina.com/security_cen...ries/securityadvisory_0day_032907.asp
http://www.determina.com/security.research/vulnerabilities/ani-header.html

Other References:
US-CERT VU#191609:
http://www.kb.cert.org/vuls/id/191609

Extended Solution:
The "Extended Solution" section is available for Secunia customers only. Request a trial and get access to the Secunia Customer Area and Extended Secunia advisories.


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