IBM Support

Security Bulletin: Vulnerability in SSLv3 affects IBM MQ Light (CVE-2014-3566)

Created by David McCann on
Published URL:
https://www.ibm.com/support/pages/node/519761
519761

Security Bulletin


Summary

SSLv3 contains a vulnerability that has been referred to as the Padding Oracle On Downgraded Legacy Encryption (POODLE) attack. SSLv3 is enabled in IBM MQ Light.

Vulnerability Details

CVE-ID: CVE-2014-3566

DESCRIPTION: Product could allow a remote attacker to obtain sensitive information, caused by a design error when using the SSLv3 protocol. A remote user with the ability to conduct a man-in-the-middle attack could exploit this vulnerability via a POODLE (Padding Oracle On Downgraded Legacy Encryption) attack to decrypt SSL sessions and access the plaintext of encrypted connections.

CVSS Base Score: 4.3
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/97013 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (AV:N/AC:M/Au:N/C:P/I:N/A:N)

Affected Products and Versions

The vulnerability affects users of IBM MQ Light V1.0 and V1.0.0.1 on all platforms.

Remediation/Fixes

An interim fix for IBM MQ Light V1.0.0.1 is available.

Users of IBM MQ Light V1.0 must upgrade to V1.0.0.1 before applying the interim fix. The following link describes how to re-use the data from the V1.0 installation using the V1.0.0.1 installation:
http://www.ibm.com/support/knowledgecenter/SSBJCR_1.0.0/com.ibm.mq.koa.doc/tmql_data.htm

The version of IBM MQ Light can be determined by running "mqlight-config --version". A V1.0.0.1 installation will return text containing:

Name: IBM MQ Light
Version: 1.0.0.1


Instructions for installing the interim fix

  1. Download the interim fix for your platform:
    2. PlatformURL
    Windowshttp://www.ibm.com/support/fixcentral/swg/quickorder?parent=ibm%2FWebSphere&product=ibm/WebSphere/IBM+MQ+Light&release=All&platform=All&function=fixId&fixids=1.0.0.1-IBM-MQLight-Win64-LAIT05469&includeSupersedes=0&source=fc
    Linuxhttp://www.ibm.com/support/fixcentral/swg/quickorder?parent=ibm%2FWebSphere&product=ibm/WebSphere/IBM+MQ+Light&release=All&platform=All&function=fixId&fixids=1.0.0.1-IBM-MQLight-LinuxX64-LAIT05469&includeSupersedes=0&source=fc
    Machttp://www.ibm.com/support/fixcentral/swg/quickorder?parent=ibm%2FWebSphere&product=ibm/WebSphere/IBM+MQ+Light&release=All&platform=All&function=fixId&fixids=1.0.0.1-IBM-MQLight-DarwinX64-LAIT05469&includeSupersedes=0&source=fc
  2. Extract the interim fix. Follow the instructions in the readme.txt file contained within the interim fix.
  3. On the Mac platform SSLv3 must be disabled in the Browser when using the IBM MQ Light UI.

IBM recommends that you review your entire environment to identify areas that enable the SSLv3 protocol and take appropriate mitigation and remediation actions. The most immediate mitigation action that can be taken is disabling SSLv3. You should verify disabling SSLv3 does not cause any compatibility issues.

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References

Complete CVSS v2 Guide
On-line Calculator v2

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Related Information

IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog

Change History

20 Nov 2014: Original Publish Date

*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

Review the IBM security bulletin disclaimer and definitions regarding your responsibilities for assessing potential impact of security vulnerabilities to your environment.

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Document Information

Modified date:
15 June 2018

UID

swg21690769

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