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Security Bulletin: IBM MQ Appliance is affected by an OpenSSL vulnerability (CVE-2020-1971)

Description

## Summary IBM MQ Appliance has resolved an OpenSSL vulnerability. ## Vulnerability Details **CVEID: **[CVE-2020-1971](<http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-1971>) **DESCRIPTION: **OpenSSL is vulnerable to a denial of service, caused by a NULL pointer dereference. If the GENERAL_NAME_cmp function contain an EDIPARTYNAME, an attacker could exploit this vulnerability to cause the application to crash. CVSS Base score: 7.5 CVSS Temporal Score: See: [ https://exchange.xforce.ibmcloud.com/vulnerabilities/192748](<https://exchange.xforce.ibmcloud.com/vulnerabilities/192748>) for the current score. CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H) ## Affected Products and Versions Affected Product(s) | Version(s) ---|--- IBM MQ Appliance | 9.1 LTS IBM MQ Appliance | 9.1 CD IBM MQ Appliance | 9.2 LTS IBM MQ Appliance | 9.2 CD ## Remediation/Fixes This vulnerability is addressed by APAR IT35457. **IBM MQ Appliance 9.1 LTS** Apply the [interim fix for APAR IT35457](<https://www.ibm.com/support/fixcentral/swg/selectFixes?parent=ibm%7EWebSphere&product=ibm/WebSphere/IBM+MQ+Appliance+M2000&release=All&function=fixId&fixids=9.1.0.7-IBM-MQ-Appliance-IT35457&includeSupersedes=1>), or later maintenance. **IBM MQ Appliance 9.1 CD** Upgrade to IBM MQ CD 9.2.1 by applying the [interim fix for APAR IT35457](<https://www.ibm.com/support/fixcentral/swg/selectFixes?parent=ibm%7EWebSphere&product=ibm/WebSphere/IBM+MQ+Appliance+M2000&release=All&function=fixId&fixids=9.2.1-IBM-MQ-Appliance-IT35457&includeSupersedes=1>), or later maintenance. **IBM MQ Appliance 9.2 LTS** Apply the [interim fix for APAR IT35457](<https://www.ibm.com/support/fixcentral/swg/selectFixes?parent=ibm%7EWebSphere&product=ibm/WebSphere/IBM+MQ+Appliance+M2000&release=All&function=fixId&fixids=9.2.0.1-IBM-MQ-Appliance-IT35457&includeSupersedes=1>), or later maintenance. **IBM MQ Appliance 9.2 CD** Apply the [interim fix for APAR IT35457](<https://www.ibm.com/support/fixcentral/swg/selectFixes?parent=ibm%7EWebSphere&product=ibm/WebSphere/IBM+MQ+Appliance+M2000&release=All&function=fixId&fixids=9.2.1-IBM-MQ-Appliance-IT35457&includeSupersedes=1>), or later maintenance. ## Workarounds and Mitigations None ## Get Notified about Future Security Bulletins Subscribe to [My Notifications](< http://www-01.ibm.com/software/support/einfo.html>) to be notified of important product support alerts like this. ### References [Complete CVSS v3 Guide](<http://www.first.org/cvss/user-guide> "Link resides outside of ibm.com" ) [On-line Calculator v3](<http://www.first.org/cvss/calculator/3.0> "Link resides outside of ibm.com" ) Off ## Related Information [IBM Secure Engineering Web Portal](<http://www.ibm.com/security/secure-engineering/bulletins.html>) [IBM Product Security Incident Response Blog](<http://www.ibm.com/blogs/psirt>) ## Change History 16 Feb 2021: Initial Publication *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](<https://www.ibm.com/support/pages/node/6610583#disclaimer>) regarding your responsibilities for assessing potential impact of security vulnerabilities to your environment. ## Document Location Worldwide [{"Business Unit":{"code":"BU053","label":"Cloud & Data Platform"},"Product":{"code":"SS5K6E","label":"IBM MQ Appliance"},"Component":"","Platform":[{"code":"PF004","label":"Appliance"}],"Version":"9.1.0.0;9.1.0.1;9.1.0.2;9.1.0.3;9.1.0.4;9.1.0.5;9.1.0.6;9.1.0.7;9.1.1;9.1.2;9.1.3;9.1.4;9.1.5;9.2.0.0;9.2.0.1;9.2.1","Edition":"","Line of Business":{"code":"LOB36","label":"IBM Automation"}}]


Affected Software


CPE Name Name Version
ibm mq appliance 9.1.0.0
ibm mq appliance 9.1.0.1
ibm mq appliance 9.1.0.2
ibm mq appliance 9.1.0.3
ibm mq appliance 9.1.0.4
ibm mq appliance 9.1.0.5
ibm mq appliance 9.1.0.6
ibm mq appliance 9.1.0.7
ibm mq appliance 9.1.1
ibm mq appliance 9.1.2
ibm mq appliance 9.1.3
ibm mq appliance 9.1.4
ibm mq appliance 9.1.5
ibm mq appliance 9.2.0.0
ibm mq appliance 9.2.0.1
ibm mq appliance 9.2.1

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