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             AUSCERT External Security Bulletin Redistribution

                               ESB-2012.1193
     ClearQuest Phishing Through Frames Vulnerability (CVE-2012-4839)
                             17 December 2012

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        AusCERT Security Bulletin Summary
        ---------------------------------

Product:           IBM Rational ClearQuest
Publisher:         IBM
Operating System:  AIX
                   HP-UX
                   Solaris
                   Linux variants
                   Windows
Impact/Access:     Provide Misleading Information -- Remote with User Interaction
Resolution:        Patch/Upgrade
CVE Names:         CVE-2012-4839  

Original Bulletin: 
   http://www-01.ibm.com/support/docview.wss?uid=swg21620342

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Security Bulletin: ClearQuest Phishing Through Frames Vulnerability 
(CVE-2012-4839)

Flash (Alert)

Document information
Rational ClearQuest 

Web Client (7.1)

Software version:
7.1.2, 7.1.2.1, 7.1.2.2, 7.1.2.3, 7.1.2.4, 7.1.2.5, 7.1.2.6, 7.1.2.7, 7.1.2.8, 
8.0, 8.0.0.1, 8.0.0.2, 8.0.0.3, 8.0.0.4

Operating system(s):
AIX, HP-UX, Linux, Solaris, Windows

Reference #:
1620342

Modified date:
2012-12-13

Abstract

Security Scanning indicated a vulnerability to a Phishing Through Frames 
attack in the OSLC system in IBM Rational ClearQuest.

Content

CVE ID: CVE-2012-4839

Description: 
The ClearQuest Web (CQ Web) client is vulnerable to a Phishing Through Frames 
Attack in the OSLC interface system. This vulnerability was found in one 
particular OSLC dialog.

Phishing attacks are described in general here: 
https://www.owasp.org/index.php/Phishing

This vulnerability does not exist in the ClearQuest desktop clients or command 
line utilities. This vulnerability only exists if the CQ Web Server is 
deployed.

CVSS: 
CVSS Base Score: 4.3
CVSS Temporal Score: See http://xforce.iss.net/xforce/xfdb/79068 for the 
current score
CVSS Environmental Score*: Undefined
CVSS Vector: (AV:N/AC:M/Au:N/C:N/I:P/A:N)

Affected Platforms: 
ClearQuest Web server version 7.1.2.0 through 7.1.2.8 or version 8.0.0.0 
though 8.0.0.4.

Remediation: 
Upgrade to ClearQuest version 7.1.2.9 or 8.0.0.5.
8.0.0.5: Download document 4033979
7.1.2.9: Download document 4033977

Workarounds: 
None.

Mitigation: 
If you are not using OSLC, then do not initiate or respond to any ClearQuest 
OSLC dialogs. If you are using OSLC, do not respond to OSLC dialogs unless you 
have initiated the communication using valid ClearQuest web server URLs for 
your deployment.

References:
* Complete CVSS Guide
* On-line Calculator V2
* CVE-2012-4839
* X-Force Vulnerability Database http://xforce.iss.net/xforce/xfdb/79068

Related Information:
IBM Product Security Incident Response Program 

Acknowledgement:
None.

Change History: 
Dec 12, 2012	Initial Publication

*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.

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