Microsoft Internet Explorer file extension spoofing
| ie-clsid-file-extension-spoofing (14964) |  High Risk |
Description:
Microsoft Internet Explorer could allow a remote attacker to spoof the file extension. A remote attacker could embed a class id (CLSID) in the file name of a malicious file to cause Internet Explorer to open the file with a different application than what the file type specifies. The victim can be deceived into opening what looked to be a trusted file type.
Consequences:
Gain Access
Remedy:
Apply the appropriate patch for your system, as listed in the Microsoft Security Bulletin MS04-024. See References.
References:
- CIAC Information Bulletin 0-183: Microsoft Vulnerability in Windows Shell Could Allow Remote Code Execution.
- Microsoft Security Bulletin MS04-024: Vulnerability in Windows Shell Could Allow Remote Code Execution (839645).
- BID-9510: Microsoft Windows Shell CLSID File Extension Misrepresentation Vulnerability
- BID-9628: Microsoft Internet Explorer Shell: IFrame Cross-Zone Scripting Vulnerability
- CVE-2004-0420: The Windows Shell application in Windows 98, Windows ME, Windows NT 4.0, Windows 2000, Windows XP, and Windows Server 2003 allows remote attackers to execute arbitrary code by spoofing the type of a file via a CLSID specifier in the filename, as demonstrated using Internet Explorer 6.0.2800.1106 on Windows XP.
- SA10736: Internet Explorer File Download Extension Spoofing
- US-CERT VU#106324: Microsoft Windows contains a vulnerability in the way the Windows Shell launches applications
Platforms Affected:
- Microsoft Internet Explorer 6.0
Reported:
Jan 28, 2004
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 the author/distributor (IBM Internet Security Systems X-Force) be held liable for any damages whatsoever arising out of or in connection with the use or spread of this information.
For corrections or additions please email xforce@iss.net