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Security Bulletin: Incorrect certficate validation vulnerability in IBM MQ.NET Managed Client (CVE-2018-1543)

Security Bulletin


Summary

 IBM MQ Managed .NET Client could allow a remote attacker to obtain sensitive information, caused by the failure to properly validate the SSL certificate. An attacker could exploit this vulnerability to obtain sensitive information using man in the middle techniques

Vulnerability Details

CVEID: CVE-2018-1543
DESCRIPTION:
 IBM MQ Managed .NET Client could allow a remote attacker to obtain sensitive information, caused by the failure to properly validate the SSL certificate. An attacker could exploit this vulnerability to obtain sensitive information using man in the middle techniques.
CVSS Base Score: 5.9
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/142598 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

IBM WebSphere MQ v8.0.0.0 to 8.0.0.9

IBM MQ 9.0.0.0 to 9.0.0.3 LTS release

Remediation/Fixes

IBM WebSphere MQ v8.0.0.0 to 8.0.0.9

Apply fix pack 8.0.0.10

IBM MQ 9.0.0.0 to 9.0.0.3 LTS

Apply fix pack 9.0.0.4.

Workarounds and Mitigations

None

Get Notified about Future Security Bulletins

References

Off

Change History

22nd May, 2018 - Draft 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.

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":"SSYHRD","label":"IBM MQ"},"Business Unit":{"code":"BU053","label":"Cloud & Data Platform"},"Component":"Security","Platform":[{"code":"PF033","label":"Windows"}],"Version":"9.0;8.0","Edition":"Edition Independent","Line of Business":{"code":"LOB36","label":"IBM Automation"}}]

Document Information

Modified date:
22 June 2018

UID

swg22016346