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Security Bulletin: A vulnerability in OpenSSL affects IBM Rational ClearQuest (CVE-2019-1551)

Security Bulletin


OpenSSL vulnerabilities were disclosed by the OpenSSL Project. OpenSSL is used by IBM Rational ClearQuest. IBM Rational ClearQuest has addressed the applicable CVE.

Vulnerability Details

CVEID:   CVE-2019-1551
DESCRIPTION:   OpenSSL could allow a remote attacker to obtain sensitive information, caused by an overflow in the x64_64 Montgomery squaring procedure used in exponentiation with 512-bit moduli. By performing a man-in-the-middle attack, a remote attacker could exploit this vulnerability to obtain sensitive information.
CVSS Base score: 6.8
CVSS Temporal Score: See: for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:N/A:N)

Affected Products and Versions

Affected Product(s) Version(s)
IBM Rational ClearQuest 8.0.1
IBM Rational ClearQuest 9.0.2
IBM Rational ClearQuest 8.0.0
IBM Rational ClearQuest 9.0
IBM Rational ClearQuest 9.0.1

Rational ClearQuest version 8 and 9 in the following components:

  • ClearQuest hooks and cqperl/ratlperl scripts that use SSL.
  • ClearQuest SSL database connections.


Apply a fix pack as listed in the table below. The fix pack includes OpenSSL 1.1.1g.
Affected Versions
Applying the fix
9.0.2 through Install Rational ClearQuest Fix Pack 2 ( for 9.0.2
9.0.1 through
9.0 through
Install Rational ClearQuest Fix Pack 10 ( for 9.0.1
8.0.1 through
8.0 through
Install Rational ClearQuest Fix Pack 24 ( for 8.0.1

For 8.0.x and earlier releases, IBM recommends upgrading to a fixed, supported version/release/platform of the product.

Workarounds and Mitigations


Get Notified about Future Security Bulletins



Change History

25 Jun 2020: Initial Publication

*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.


According to the Forum of Incident Response and Security Teams (FIRST), the Common Vulnerability Scoring System (CVSS) is an "industry open standard designed to convey vulnerability severity and help to determine urgency and priority of response." IBM PROVIDES THE CVSS SCORES ""AS IS"" WITHOUT WARRANTY OF ANY KIND, INCLUDING THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. CUSTOMERS ARE RESPONSIBLE FOR ASSESSING THE IMPACT OF ANY ACTUAL OR POTENTIAL SECURITY VULNERABILITY.

Document Location


[{"Business Unit":{"code":"BU053","label":"Cloud & Data Platform"},"Product":{"code":"SSSH5A","label":"Rational ClearQuest"},"Component":"","Platform":[{"code":"PF002","label":"AIX"},{"code":"PF016","label":"Linux"},{"code":"PF027","label":"Solaris"},{"code":"PF033","label":"Windows"}],"Version":"8.0.0, 8.0.1, 9.0.0, 9.0.1, 9.0.2","Edition":"","Line of Business":{"code":"LOB45","label":"Automation"}}]

Document Information

Modified date:
25 June 2020