Vulnerability Note VU#375127

IBM WebSphere Portal Server input validation vulnerability

Overview

IBM WebSphere Portal Server does not validate entry path inputted data.

I. Description

From the IBM Portal website: "IBM WebSphere Portal software provides a composite application or business mashup framework and the advanced tooling needed to build flexible, SOA-based solutions, as well as the unmatched scalability required by any size organization." IBM WebSphere Portal Server is vulnerable to data leakage caused by missing input validation on inputted entry path transmitted via XML.

II. Impact

An attacker with valid login credentials could leverage this vulnerability to retrieve system information, such as /etc/passwd.

III. Solution

Apply an update

According to IBM's website patches have been issued to address this vulnerability.
Restrict access

Restrict network access to the IBM WebSphere Portal software and other devices using open protocols like HTTP.

Vendor Information

Vendor	Status	Date Notified	Date Updated
IBM Corporation	Affected	2010-11-01	2011-01-21

References

http://www.ibm.com/eserver/support/fixes/fixcentral/swgquickorder?apar=PM25698&productid=WebSphere%20Portal&brandid=5
http://www-01.ibm.com/support/docview.wss?uid=swg21460422

Credit

Thanks to Peter Brauchle from Daimler TSS Technical Security for reporting this vulnerability.

This document was written by Michael Orlando.

Other Information

Date Public:	2011-01-20
Date First Published:	2011-02-23
Date Last Updated:	2011-02-23
CERT Advisory:
CVE-ID(s):
NVD-ID(s):
US-CERT Technical Alerts:
Severity Metric:	3.60
Document Revision:	28