IBM Support

Security Bulletin: Vulnerabilities in GSKit affect IBM Rational ClearQuest (CVE-2015-1788)

Security Bulletin


GSKit is an IBM component that is used by IBM Rational ClearQuest. The GSKit that is shipped with IBM Rational ClearQuest contains a security vulnerability. IBM Rational ClearQuest has addressed the applicable CVEs.

Vulnerability Details

CVEID: CVE-2015-1788
OpenSSL is vulnerable to a denial of service, caused by an error when processing an ECParameters structure over a specially crafted binary polynomial field. A remote attacker could exploit this vulnerability to cause the application to enter into an infinite loop.
CVSS Base Score: 5
CVSS Temporal Score: See for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (AV:N/AC:L/Au:N/C:N/I:N/A:P)

Affected Products and Versions

Rational ClearQuest through, and 8.0.1 through when SSL is enabled for CQ and LDAP server.

ClearQuest Version
8.0.1 through
Affected through
8.0 through
Not affected
7.1.2 through
Not affected
7.1.1 all version
Not affected


The solution is to update to the latest fix pack.

Affected Versions
Applying the fix
8.0.1 through
Install Rational ClearQuest Fix Pack 9 ( for 8.0.1 through
Install Rational ClearQuest Fix Pack 16 ( for 8.0

Workarounds and Mitigations


Get Notified about Future Security Bulletins





Change History

* 16 September 2015: 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.

Internal Use Only

7.1.2 through and 8.0 through are using GSKit 7, so they are not vulnerable to the GSKit 8 vulnerability.

[{"Product":{"code":"SSSH5A","label":"Rational ClearQuest"},"Business Unit":{"code":"BU053","label":"Cloud & Data Platform"},"Component":"Not Applicable","Platform":[{"code":"PF002","label":"AIX"},{"code":"PF016","label":"Linux"},{"code":"PF027","label":"Solaris"},{"code":"PF033","label":"Windows"}],"Version":";;;;;;;;;;;;8.0.1;;;;;;;;","Edition":"","Line of Business":{"code":"LOB45","label":"Automation"}}]

Document Information

Modified date:
17 June 2018