Security Bulletin: Open Redirect and Cross-Site Scripting Vulnerabilities in the Rational Directory Server Help System (CVE-2012-2159, CVE-2012-2161)

VULNERABILITY DETAILS:

CVE ID: CVE-2012-2159

DESCRIPTION: Some scripts used by the help system are vulnerable to redirects from trusted to untrusted web sites when users click a malicious link.

CVSS:
CVSS Base Score: 4.3
CVSS Temporal Score: See http://xforce.iss.net/xforce/xfdb/74832 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (AV:N/AC:M/Au:N/C:N/I:P/A:N)


CVE ID: CVE-2012-2161

DESCRIPTION: Some scripts used by the help system are vulnerable to cross-site scripting attacks. An attacker could potentially exploit this vulnerability to collect user credentials or cookie data when users click a malicious link.

CVSS:
CVSS Base Score: 4.3
CVSS Temporal Score: See http://xforce.iss.net/xforce/xfdb/74833 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (AV:N/AC:M/Au:N/C:N/I:P/A:N)


AFFECTED PLATFORMS:

All the RDA versions and platforms are affected due to this vulnerability.

REMEDIATION: The recommended solution is to apply the fix for each named product as soon as practical. Please see below for information on the fixes available.

Fix:

RDS Tivoli: http://www-01.ibm.com/support/docview.wss?uid=swg24032905
RDS Apache: End August 2012

Workarounds:
In the meantime, this risk can be mitigated by following the below steps.

1. Download the rds-help.zip file and extract the rds-help.war

1. FTP: ftp://public.dhe.ibm.com/software/rational/Directory_server/rds-help.zip

2. HTTP: http://public.dhe.ibm.com/software/rational/Directory_server/rds-help.zip

2. Stop the WebAccessServer (apache tomcat server)
Windows:
<RDS\RDA install location>\WebAccessServer\apache-tomcat-x.0.xx\bin\catalina.bat stop
Unix:
<RDS/RDA install location>/WebAccessServer/apache-tomcat-x.0.xx/bin\catalina.sh stop

3. Go to the location where the war file is located in the RDS/RDA install location.
Windows:
<RDS\RDA install location>\WebAccessServer\apache-tomcat-x.0.xx\webapps\
Unix:
<RDS/RDA install location>/WebAccessServer/apache-tomcat-x.0.xx/webapps/

4. Delete/backup the following:
file: rds-help.war
Directory: rds-help

5. Replace the rds-help.war downloaded.

6. Start the WebAccessServer
Windows:
<RDS\RDA install location>\WebAccessServer\Start_RDAWebServer.bat
Unix:
<RDS/RDA install location>/WebAccessServer/Start_RDAWebServer.sh

The latest rds-help.war file is now installed which does not have the security vulnerabilities.

Note: This help file has contents for RDS versions 5.2(Tivoli) and later, and RDS 5.1.1 (Apache) and later.

REFERENCES:
· Complete CVSS Guide
· On-line Calculator V2
· X-Force Vulnerability Database (http://xforce.iss.net/xforce/xfdb/74832)
· X-Force Vulnerability Database (http://xforce.iss.net/xforce/xfdb/74833)

*The CVSS Environment Score is customer environment specific and will ultimately impact the Overall CVSS Score. Customers can evaluate the impact of this vulnerability in their environments by accessing the links in the Reference section of this Flash.

Note: According to the Forum of Incident Response and Security Teams (FIRST), the Common Vulnerability Scoring System (CVSS) is an "industry open standard designed to convey vulnerability severity and help to determine urgency and priority of response." IBM PROVIDES THE CVSS SCORES "AS IS" WITHOUT WARRANTY OF ANY KIND, INCLUDING THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. CUSTOMERS ARE RESPONSIBLE FOR ASSESSING THE IMPACT OF ANY ACTUAL OR POTENTIAL SECURITY VULNERABILITY.