Security Bulletin: z/TPF is affected by the following OpenSSL vulnerability: CVE-2014-0224

Summary

Security vulnerabilities have been discovered in OpenSSL that were reported on June 5, 2014 by the OpenSSL Project.

Vulnerability Details

CVE-ID: CVE-2014-0224

DESCRIPTION: OpenSSL is vulnerable to a man-in-the-middle attack, caused by the use of weak keying material in SSL/TLS clients and servers. A remote attacker could exploit this vulnerability by using a specially-crafted handshake to conduct man-in-the-middle attacks to decrypt and modify traffic.

CVSS Base Score: 5.8

CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/93586 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (AV:N/AC:M/Au:N/C:P/I:P/A:N)

Affected Products and Versions

z/TPF 1.1.10 and earlier

Remediation/Fixes

Product

| VRMF|APAR|Remediation/First Fix
—|—|—|—
z/TPF| 1.1.10 and earlier| PJ42340| Apply APAR

Workarounds and Mitigations

None known

Get Notified about Future Security Bulletins

Subscribe to [My Notifications](< http://www-01.ibm.com/software/support/einfo.html&gt;) to be notified of important product support alerts like this.

References

Complete CVSS v2 Guide
On-line Calculator v2

Off

OpenSSL Project vulnerability website
TPF product maintenance web page

Related Information

IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog

Acknowledgement

None

Change History

19 June 2014: Original Version

*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.

Disclaimer

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.

[{“Product”:{“code”:“SSZL53”,“label”:“TPF”},“Business Unit”:{“code”:“BU058”,“label”:“IBM Infrastructure w/TPS”},“Component”:“z/TPF”,“Platform”:[{“code”:“PF036”,“label”:“z/TPF”}],“Version”:“1.1”,“Edition”:“”,“Line of Business”:{“code”:“LOB35”,“label”:“Mainframe SW”}}]