Microsoft Windows .CHM file denial of service

win-chm-dos (47867)

Medium Risk

Description:

Microsoft Windows is vulnerable to a denial of service, caused by improper bounds checking of .CHM files. By persuading a victim to open a specially-crafted .CHM file, a remote attacker could exploit this vulnerability to corrupt memory and cause the affected application to crash.

*CVSS:

Base Score:	5.8
Access Vector:	Network
Access Complexity:	Medium
Authentication:	None
Confidentiality Impact:	None
Integrity Impact:	Partial
Availability Impact:	Partial
Temporal Score:	5
Exploitability:	Proof-of-Concept
Remediation Level:	Unavailable
Report Confidence:	Uncorroborated

Consequences:

Denial of Service

Remedy:

No remedy available as of July 9, 2011.

References:

• Microsoft Windows XP Web site: Windows XP home page.
• BID-33204: Microsoft Windows CHM File Processing Buffer Overflow Vulnerability
• CVE-2009-0119: Buffer overflow in Microsoft Windows XP SP3 allows remote attackers to cause a denial of service (memory corruption and application crash) or possibly execute arbitrary code via a crafted .chm file.

Platforms Affected:

• Microsoft Windows XP SP3

Reported:

Jan 11, 2009

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The information within this database may change without notice. Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. In no event shall IBM be held liable for any damages whatsoever arising out of or in connection with the use or spread of this information.

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