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

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&gt; 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

• Rational ClearQuest Fix Pack 1 (8.0.1.1) for 8.0.1
• Rational ClearQuest Fix Pack 8 (8.0.0.8) for 8.0
• 7.1.2.12: Upgrade to either 8.0.0.8 or 8.0.1.1

Workarounds and Mitigations

None