Microsoft Windows 'win32k!GreStretchBltInternal()' Local Denial Of Service Vulnerability

Bugtraq ID:	42496
Class:	Failure to Handle Exceptional Conditions
CVE:
Remote:	No
Local:	Yes
Published:	Aug 17 2010 12:00AM
Updated:	Aug 17 2010 07:35PM
Credit:	Tavis Ormandy
Vulnerable:	Microsoft Windows 7 XP Mode 0 Microsoft Windows 7 Ultimate 0 Microsoft Windows 7 Starter 0 Microsoft Windows 7 Professional 0 Microsoft Windows 7 Home Premium 0 Microsoft Windows 7 for x64-based Systems 0 Microsoft Windows 7 for Itanium-based Systems 0 Microsoft Windows 7 for 32-bit Systems 0 Microsoft Windows 7
Not Vulnerable:

Microsoft Windows 'win32k!GreStretchBltInternal()' Local Denial Of Service Vulnerability

Microsoft Windows is prone to a local denial-of-service vulnerability that affects bit block transfers (bitblt) in the Graphics Device Interface (GDI) library.

Attackers can exploit this issue to cause affected computers to panic, causing a denial-of-service condition. Due to the nature of this issue, arbitrary code execution may be possible; this has not been confirmed.

Windows 7 is vulnerable; other versions may also be affected.

Microsoft Windows 'win32k!GreStretchBltInternal()' Local Denial Of Service Vulnerability

The following exploit code is available:

• /data/vulnerabilities/exploits/42496.c

Microsoft Windows 'win32k!GreStretchBltInternal()' Local Denial Of Service Vulnerability

Solution:
Currently we are not aware of any vendor-supplied patches. If you feel we are in error or if you are aware of more recent information, please mail us at: [email protected].

Microsoft Windows 'win32k!GreStretchBltInternal()' Local Denial Of Service Vulnerability

References:

• Microsoft Homepage (Microsoft)