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

Security Bulletin

Summary

Some scripts in the help system used by IBM Rational Change are vulnerable to open redirect or cross-site scripting attacks.

Vulnerability Details

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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 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)

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 Base Score: 4.3
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/74833 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 Rational Change Web Help platform

Remediation/Fixes

Upgrade to Rational Change Fix Pack 4 (5.3.0.4) for 5.3 or later.

Workarounds and Mitigations

Workaround: Use Rational Change remote help which connects to the Rational Change Information Center.

Mitigation: Do not trust URL links to the Rational Change Help system given by untrusted users. Examine the URL for extra parameters and text that are not related to the Rational Change Web Help system.

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References

Complete CVSS v2 Guide
On-line Calculator v2

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Acknowledgement

None

Change History

* 26 September 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

Review the IBM security bulletin disclaimer and definitions regarding your responsibilities for assessing potential impact of security vulnerabilities to your environment.

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Tips

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