Microsoft Windows kernel font code execution

Notification Type: IBM Internet Security Systems Protection Alert
Notification Date: November 10, 2009
Notification Version: 1.0
   
Name: Microsoft Windows kernel font code execution
Public disclosure/
In the wild date:		 November 10, 2009
Aliases: MS09-065
CVE: CVE-2009-2514
Description:

Microsoft Windows kernel-mode drivers could allow a remote attacker to execute arbitrary code on the system by persuading a victim to open a specially-crafted file containing EOT font embedded in the document.

 

ISS Coverage
Product Content Version
Proventia Network IDS
Proventia Network IPS
Proventia Network MFS
Proventia Server (Linux)
RealSecure Network
RealSecure Server Sensor		 29.110
Proventia Desktop
Proventia Server IPS (Windows)		 2450
Propagation Techniques ISS Protection Available

remote exploit

 

Windows_Kernel_Font_Code_Execution

10 Nov 2009

Detailed Description
Business Impact: This vulnerability is in a core component of prevalent Microsoft Windows operating systems: Windows 2000, XP and 2003.  Exploitation requires the attacker to persuade the victim to open a document with a specially-crafted file with the embedded EOT font.  Successful exploitation provides the attacker with complete control of the end user's system.
*CVSS Base Score: 9.3
  Access Vector: Remote
Access Complexity: Medium
Authentication: None
Confidentiality Impact: Complete
Integrity Impact: Complete
Availability Impact: Complete
Adjusted Temporal Score: 6.9
  Exploitability: Unproven
Remediation Level: Official Fix
Report Confidence: Confirmed
Affected Products: For a full list of affected versions, see references below.
Technical Description:

Microsoft Windows kernel-mode drivers could allow a remote attacker to execute arbitrary code on the system, caused by the improper parsing of font code when building a table of directory entries. By persuading a victim to open a specially-crafted file containing EOT font embedded in the document, a remote attacker could execute arbitrary code on the system or cause the application to crash.

Remediation:

Patches are available. See References for details.

References
XFDB: http://xforce.iss.net/xforce/xfdb/53974
Microsoft: http://www.microsoft.com/technet/security/bulletin/ms09-065.mspx

Revision History
1.0 Initial publication.

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