----------------------------------------------------------------------


Proof-of-Concept (PoC) and Extended Analysis available for customers.

Get a free trial, contact sales@secunia.com


----------------------------------------------------------------------

TITLE:
Microsoft SharePoint Server / SharePoint Services "help.aspx"
Cross-Site Scripting

SECUNIA ADVISORY ID:
SA39603

VERIFY ADVISORY:
http://secunia.com/advisories/39603/

DESCRIPTION:
A vulnerability has been reported in Microsoft SharePoint Server 2007
and Windows SharePoint Services 3.0, which can be exploited by
malicious people to conduct cross-site scripting attacks.

Input passed via the "cid0" parameter to _layouts/help.aspx is not
properly sanitised before being returned to the user. This can be
exploited to execute arbitrary HTML and script code in a user's
browser session in context of an affected site.

SOLUTION:
Filter malicious characters or character sequences in a proxy.

PROVIDED AND/OR DISCOVERED BY:
High-Tech Bridge SA

ORIGINAL ADVISORY:
Microsoft:
http://www.microsoft.com/technet/security/advisory/983438.mspx

High-Tech Bridge SA:
http://www.htbridge.ch/advisory/xss_in_microsoft_sharepoint_server_2007.html

OTHER REFERENCES:
Microsoft:
http://blogs.technet.com/srd/archive/2010/04/29/sharepoint-xss-issue.aspx
http://blogs.technet.com/msrc/archive/2010/04/29/security-advisory-983438-released.aspx

----------------------------------------------------------------------

About:
This Advisory was delivered by Secunia as a free service to help
private users keeping their systems up to date against the latest
vulnerabilities.

Subscribe:
http://secunia.com/advisories/secunia_security_advisories/

Definitions: (Criticality, Where etc.)
http://secunia.com/advisories/about_secunia_advisories/


Please Note:
Secunia recommends that you verify all advisories you receive by
clicking the link.
Secunia NEVER sends attached files with advisories.
Secunia does not advise people to install third party patches, only
use those supplied by the vendor.

----------------------------------------------------------------------

Unsubscribe: Secunia Security Advisories
http://secunia.com/sec_adv_unsubscribe/?email=packet%40packetstormsecurity.org

----------------------------------------------------------------------