IBM WebSphere Portal Portlet Palette Search HTML Injection Vulnerability

Bugtraq ID:	38360
Class:	Input Validation Error
CVE:
Remote:	Yes
Local:	No
Published:	Feb 19 2010 12:00AM
Updated:	Feb 23 2010 05:11PM
Credit:	Sjoerd Resink
Vulnerable:	IBM Websphere Portal 6.0.1.5 Build wp6015
Not Vulnerable:

IBM WebSphere Portal Portlet Palette Search HTML Injection Vulnerability

IBM WebSphere Portal is prone to an HTML-injection vulnerability because it fails to properly sanitize user-supplied input.

An authenticated attacker may leverage this issue to execute arbitrary script code in the browser of an unsuspecting user in the context of the affected site. This may help the attacker steal cookie-based authentication credentials and launch other attacks.

IBM WebSphere Portal 6.0.1.5 Build Level wp6015_008_01 is vulnerable; other versions may also be affected.

IBM WebSphere Portal Portlet Palette Search HTML Injection Vulnerability

Attackers can exploit this issue with a browser.

The following code can trigger this issue:

" style="position:absolute; top:-100px; left:-100px; width:10000 px; height:10000px; z-index:999;" onmousemove="alert('XSS')">

IBM WebSphere Portal Portlet Palette Search HTML Injection Vulnerability

Solution:
The vendor has released an advisory and updates. Please see the references for details.

IBM WebSphere Portal Portlet Palette Search HTML Injection Vulnerability

References:

• WebSphere Portal Homepage (IBM)
  
• PM05829 PORTLET PALETTE SECURITY VULNERABILITY (IBM)