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Security Bulletin: A vulnerability in the GSKit component of Informix Dynamic Server (IDS) (CVE-2016-0201)

Security Bulletin


A vulnerability has been addressed in the GSKit, component of Informix Dynamic Server (IDS) .

Vulnerability Details

CVEID: CVE-2016-0201
IBM GSKit could allow a remote attacker to obtain sensitive information, caused by a MD5 collision. An attacker could exploit this vulnerability to obtain authentication credentials.
CVSS Base Score: 5.9
CVSS Temporal Score: See for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N)

Affected Products and Versions

Informix Dynamic Server (IDS) versions 11.70 and 12.10.


This vulnerability affects the OpenSSL component of GSKit. GSKit is a shared library component of Informix Dynamic Server (IDS). To resolve this vulnerability, apply the fix for the GSKit component..

Product Remediation/First Fix (GSKit 8.50.57)
IDS 11.70


IDS 12.10

Linux: x86_32, x86_64, ARM_32, ARM_64

Linux: pSeries_64, zSeries_31, zSeries_64

Windows: x86_32, x86_64

Aix: pSeries_32, pSeries_64

Solaris: SPARC_32, SPARC_64

Solaris: x86_32, x86_64

HP-UX: IA_32, IA_64

Mac: x86_64

Note: IDS version 11.50 is not affected by this vulnerability.

For upsupported IDS versions, IBM recommends upgrading to a fixed, supported version /release/ platform of the product.

Workarounds and Mitigations


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Related information

IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog

Change History

22 January 2016. Original version 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.


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 information

More support for: Informix Servers

Software version: 11.7, 12.1

Operating system(s): AIX, HP-UX, Linux, OS X, Solaris, Windows

Reference #: 1974785

Modified date: 04 May 2017