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Security Bulletin: Vulnerability in IBM Rational ClearQuest with potential for TLS Attack (CVE-2013-0169)

Security Bulletin


Summary

The IBM GSKit component used in Rational ClearQuest is susceptible to a Transport Layer Security protocol vulnerability known as "Lucky Thirteen." The vulnerability might allow remote attackers to conduct distinguishing and plain-text recovery attacks by statistically analyzing timing data for crafted packets.

Vulnerability Details

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CVE ID: CVE-2013-0169

Description: The IBM GSKit component used in Rational ClearQuest is susceptible to a Transport Layer Security protocol (used in HTTPS) vulnerability known as "Lucky Thirteen." The vulnerability might allow remote attackers to conduct distinguishing and plain-text recovery attacks by statistically analyzing timing data for crafted packets.

The IBM GSKit is used if ClearQuest is configured to use LDAP authentication using SSL. If your ClearQuest deployment is not using LDAP configured with SSL, then your deployment is not sensitive to this attack when authenticating to the LDAP server.

CVSS Base Score: 4.3
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/81902 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (AV:N/AC:M/Au:N/C:P/I:N/A:N)

Affected Products and Versions

Rational ClearQuest Web 7.1 through 7.1.2.10, 8.0 through 8.0.0.7, and 8.0.1

Remediation/Fixes

Upgrade to one of the below versions of IBM Rational ClearQuest

Workarounds and Mitigations

None

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References

Complete CVSS v2 Guide
On-line Calculator v2

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Related Information

IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog

Acknowledgement

None

Change History

* 16 September 2013: 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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Document Information

Modified date:
16 June 2018

UID

swg21648667

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