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Security Bulletin: ClearQuest Help System Open Redirect (CVE-2012-2159)

Security Bulletin


Summary

Some scripts inside the IBM Rational ClearQuest web help application are vulnerable to Open Redirect attacks. Exploiting this vulnerability allows an attacker to provide a link to the victim which directs to the trusted website. If the user visits the link to the trusted website, the user gets immediately redirected to the website provided by the attacker.

Vulnerability Details

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CVE ID: CVE-2012-2159

Description: The ClearQuest Help system contains a Open Redirect vulnerability. The ClearQuest web user needs to be tricked into inserting mal-formed URL addresses into the browser, or click on a mal-formed URL link.

This vulnerability exists for those deployments that are using their own Intranet Help server (also known as Enterprise help server) .


CVSS Base Score: 4.3
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/74832 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (AV:N/AC:M/Au:N/C:N/I:P/A:N)

Affected Products and Versions

Any supported ClearQuest Web Help platform.

Remediation/Fixes

Workarounds and Mitigations

Workaround:
Use ClearQuest Remote Help which connects to the ClearQuest Information Center.

Mitigation:

Do not trust URL links to the ClearQuest Help system given by untrusted users. Examine the URL for extra parameters and text that is not related to the ClearQuest Help system.

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References

Complete CVSS v2 Guide
On-line Calculator v2

Related information

IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog

Acknowledgement

None

Change History

* 8 August 2012 - Original copy published

*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 Security Bulletin.

Disclaimer

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.

Related information

Encrypted passwords field available (CVE-2012-2165 )
Help System cross-site scripting (CVE-2012-2161)
Inf Disclosure Web stack traces (CVE-2012-2168)
Web parameter tampering (CVE-2012-2164)
Cross-Site ScriptingVulnerability (CVE-2012-2205)

Document information

More support for: Rational ClearQuest
Documentation

Software version: 7.1.1, 7.1.1.1, 7.1.1.2, 7.1.1.3, 7.1.1.4, 7.1.1.5, 7.1.1.6, 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, 8.0, 8.0.0.1, 8.0.0.2

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

Reference #: 1605839

Modified date: 08 August 2012