Microsoft Windows .ani file denial of service

microsoft-windows-ani-dos (56756) The risk level is classified as MediumMedium Risk

Description:

Microsoft Windows is vulnerable to a denial of service, caused by improper bounds checking by the tagBITMAPINFOHEADER Struct Reference when processing .ani files. By persuading a victim to open a specially-crafted .ani file, a remote attacker could exploit this vulnerability to cause the system to consume an overly large amount of memory and become unresponsive.

*CVSS:

Base Score: 4.3
  Access Vector: Network
  Access Complexity: Medium
  Authentication: None
  Confidentiality Impact: None
  Integrity Impact: None
  Availability Impact: Partial
 
Temporal Score: 3.6
  Exploitability: Functional
  Remediation Level: Official-Fix
  Report Confidence: Confirmed

Consequences:

Denial of Service

Remedy:

No remedy available as of September 1, 2014.

References:

  • Microsoft Web site: Microsoft.
  • Security Vulnerabilities found by SkyLined: MSRC 9754jr - Windows .ANI file BITMAPINFOHEADER.biClrUsed bounds check missing.
  • BID-38579: Microsoft Windows '.ani' File 'tagBITMAPINFOHEADER' Denial of Service Vulnerability
  • CVE-2010-1098: The ANI parser in Microsoft Windows before 7 on the x86 platform, as used in Internet Explorer and other applications, allows remote attackers to cause a denial of service (memory and CPU consumption) via a crafted biClrUsed value in the BITMAPINFO header of a .ANI file.
  • OSVDB ID: 63468: Microsoft Windows ANI Parser BITMAPINFO Header Crafted biClrUsed Value DoS

Platforms Affected:

  • Microsoft Windows Vista
  • Microsoft Windows XP

Reported:

Jan 19, 2010

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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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