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Security Bulletin: Vulnerability in SSLv3 affects Rational Change (CVE-2014-3566)

Security Bulletin


SSLv3 contains a vulnerability that has been referred to as the Padding Oracle On Downgraded Legacy Encryption (POODLE) attack. SSLv3 is enabled in Rational Change.

Vulnerability Details

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CVE-ID: CVE-2014-3566

Description: Product could allow a remote attacker to obtain sensitive information, caused by a design error when using the SSLv3 protocol. A remote user with the ability to conduct a man-in-the-middle attack could exploit this vulnerability via a POODLE (Padding Oracle On Downgraded Legacy Encryption) attack to decrypt SSL sessions and access the plaintext of encrypted connections.

CVSS Base Score: 4.3
CVSS Temporal Score: See 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 Change: 5.2, 5.3, 5.3.1



VRMFAPARRemediation/First Fix
Rational Change5.2NoneUpgrade to Rational Change Interim Fix 6 for and see workaround for mitigation steps.
Rational Change5.3NoneSee workaround
Rational Change5.3.1NoneSee workaround

Workarounds and Mitigations

Mitigation is to disable SSLv3 protocol following steps below.

Change 5.2:
Once https is configured, add additional argument <Set name="SSLProtocol">TLS</Set> just after the line <Set name="KeyPassword"></Set> in jetty\etc\change.xml file.

Change 5.3:
Once https is configured, add additional argument <Set name="SSLProtocol">TLS</Set> just after the line <Set name="KeyPassword"></Set> in jetty\etc\jetty.xml file.

Change 5.3.1:
Once https is configured, add additional argument <Set name="protocol">TLS</Set> just after the line <Set name="TrustStorePassword"></Set> in jetty\etc\jetty.xml file.

IBM recommends that you review your entire environment to identify areas that enable the SSLv3 protocol and take appropriate mitigation and remediation actions. The most immediate mitigation action that can be taken is disabling SSLv3.

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Change History

* 06 November 2014: Added fix for version 5.2
* 21 October 2014: 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.


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