Vulnerability Note VU#340409

Microsoft Windows SharePoint Services and SharePoint Team Services cross-site scripting vulnerabilities

Overview

Microsoft Windows SharePoint Services and SharePoint Team Services contain cross-site scripting vulnerabilities. These vulnerabilities could be exploited to execute arbitrary code in the security context of the affected user.

I. Description

Microsoft Windows SharePoint Services for Windows Server 2003 and SharePoint Team Services are used to create collaborative Web sites. Versions of Microsoft SharePoint software contain several cross-site scripting vulnerabilities caused by insufficient validation of data used as input to HTML redirection queries. The output of such queries may contain malicious script that if executed, could lead to arbitrary code of an attacker's choice being run in the security context of the affected user.

II. Impact

These vulnerabilities could be exploited to execute arbitrary code in the security context of the affected user.

In addition, per Microsoft Security Bulletin MS05-006:

It may also be possible for an attacker to exploit this vulnerability to modify Web browser caches and intermediate proxy server caches, and put spoofed content in those caches.

III. Solution

Apply a patch from the vendor

Microsoft has published Microsoft Security Bulletin MS05-006 in response to this issue. Users are encouraged to review this bulletin and apply the patches it refers to.

Systems Affected

Vendor	Status	Date Updated
Microsoft Corporation	Vulnerable	8-Feb-2005

References

http://www.us-cert.gov/cas/techalerts/TA05-039A.html
http://www.microsoft.com/technet/security/bulletin/ms05-006.mspx

Credit

Thanks to Microsoft for reporting this vulnerability in Microsoft Security Bulletin MS05-006.

This document was written by Jeffrey S. Havrilla.

Other Information

Date Public	02/08/2005
Date First Published	02/08/2005 07:16:30 PM
Date Last Updated	02/08/2005
CERT Advisory
CVE Name	CAN-2005-0049
US-CERT Technical Alerts
Metric	15.12
Document Revision	6

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