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Microsoft Windows Explorer Web View Script Injection Vulnerability

Risk
High

Date Discovered
10-11-2005

Description
Microsoft Windows Explorer Web View is affected by an arbitrary script injection vulnerability.

An attacker can exploit this issue by crafting a malicious file and placing it on a Web site or sending it to a user through email followed by enticing them to preview it in Windows Explorer.

A successful attack can result in a remote compromise in the context of the vulnerable user.

Symantec Vulnerability Assessment
Symantec Vulnerability Assessment detects and reports this vulnerability. Click here for the advisory released October 11, 2005.

Symantec Enterprise Security Manager
Symantec Enterprise Security Manager™ posted an update to the OS Patch Policy that detects and reports systems that are not patched against this vulnerability. Click here for the advisory released October 13, 2005.

Symantec Enterprise Security Manager Network Assessment Module
Symantec Enterprise Security Manager Network Assessment Module detects and reports this vulnerability. Click here for the advisory released October 19, 2005.

Platforms Affected
Avaya DefinityOne Media Servers
Avaya IP600 Media Servers
Avaya S3400 Message Application Server
Avaya S8100 Media Servers

Components Affected
Microsoft Windows 2000 Advanced Server SP4
Microsoft Windows 2000 Advanced Server SP3
Microsoft Windows 2000 Advanced Server SP2
Microsoft Windows 2000 Advanced Server SP1
Microsoft Windows 2000 Advanced Server
Microsoft Windows 2000 Datacenter Server SP4
Microsoft Windows 2000 Datacenter Server SP3
Microsoft Windows 2000 Datacenter Server SP2
Microsoft Windows 2000 Datacenter Server SP1
Microsoft Windows 2000 Datacenter Server
Microsoft Windows 2000 Professional SP4
Microsoft Windows 2000 Professional SP3
Microsoft Windows 2000 Professional SP2
Microsoft Windows 2000 Professional SP1
Microsoft Windows 2000 Professional
Microsoft Windows 2000 Server SP4
Microsoft Windows 2000 Server SP3
Microsoft Windows 2000 Server SP2
Microsoft Windows 2000 Server SP1
Microsoft Windows 2000 Server

Recommendations
Do not accept or execute files from untrusted or unknown sources.
Users should avoid accepting or opening unexpected files, especially if they arrive in email from an untrusted or unfamiliar source.

Do not follow links provided by unknown or untrusted sources.
Users should avoid visiting Web sites of questionable integrity or following links provided by unfamiliar or untrusted sources.

Run all software as a non-privileged user with minimal access rights.
Perform all non-administrative tasks as a user with the minimal amount of privileges required for functionality. This can reduce the impact of successful exploitation.

Microsoft has released fixes to address this vulnerability in supported platforms.


Microsoft Windows 2000 Advanced Server SP4:

Microsoft Upgrade Security Update for Windows 2000 (KB900725)
http://www.microsoft.com/downloads/details.aspx?familyid=1F063C4A-B0BF-49C6-928B-F1F076C69612&displaylang=en

Microsoft Windows 2000 Advanced Server SP3:
Microsoft Windows 2000 Advanced Server SP2:
Microsoft Windows 2000 Advanced Server SP1:
Microsoft Windows 2000 Advanced Server :
Microsoft Windows 2000 Datacenter Server SP4:
Microsoft Upgrade Security Update for Windows 2000 (KB900725)
http://www.microsoft.com/downloads/details.aspx?familyid=1F063C4A-B0BF-49C6-928B-F1F076C69612&displaylang=en

Microsoft Windows 2000 Datacenter Server SP3:
Microsoft Windows 2000 Datacenter Server SP2:
Microsoft Windows 2000 Datacenter Server SP1:
Microsoft Windows 2000 Datacenter Server :
Microsoft Windows 2000 Professional SP4:
Microsoft Upgrade Security Update for Windows 2000 (KB900725)
http://www.microsoft.com/downloads/details.aspx?familyid=1F063C4A-B0BF-49C6-928B-F1F076C69612&displaylang=en

Microsoft Windows 2000 Professional SP3:
Microsoft Windows 2000 Professional SP2:
Microsoft Windows 2000 Professional SP1:
Microsoft Windows 2000 Professional :
Microsoft Windows 2000 Server SP4:
Microsoft Upgrade Security Update for Windows 2000 (KB900725)
http://www.microsoft.com/downloads/details.aspx?familyid=1F063C4A-B0BF-49C6-928B-F1F076C69612&displaylang=en

Microsoft Windows 2000 Server SP3:
Microsoft Windows 2000 Server SP2:
Microsoft Windows 2000 Server SP1:
Microsoft Windows 2000 Server :

References
Source: Microsoft Security Bulletin MS05-049
URL: http://www.microsoft.com/technet/security/Bulletin/MS05-049.mspx

Credits
Discovery is credited to Brett Moore.


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Disclaimer
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