Security Bulletin: Vulnerability in IBM Rational RequisitePro with a potential for a TLS attack (CVE-2013-0169)

Summary

The IBM GSKit component used in Rational RequisitePro 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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CVEID:CVE-2013-0169

**Description:**The IBM GSKit component used in Rational RequisitePro 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 RequisitePro is configured to use LDAP authentication using SSL. If your RequisitePro 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 RequisitePro 7.1.1.x
Rational RequisitePro 7.1.2.x
Rational RequisitePro 7.1.3.7 and previous versions
Rational RequisitePro 7.1.4.0

Remediation/Fixes

Upgrade to one of the below versions of IBM Rational RequisitePro

• 7.1.4.x: Rational RequisitePro Fix Pack 1 (7.1.4.1) for 7.1.4
• 7.1.3.x: Rational RequisitePro Fix Pack 8 (7.1.3.8) for 7.1.3
• 7.1.2.x: Upgrade to 7.1.3.8 or 7.1.4.1
• 7.1.1.x: Upgrade to 7.1.3.8 or 7.1.4.1

Workarounds and Mitigations

None