IBM Support

Security Bulletin: IBM MQ Appliance is vulnerable to a buffer overflow vulnerability (CVE-2020-4465)

Security Bulletin


Summary

IBM MQ Appliance has resolved a buffer overflow vulnerability.

Vulnerability Details

CVEID:   CVE-2020-4465
DESCRIPTION:   IBM MQ, IBM MQ Appliance, and IBM MQ for HPE NonStop are vulnerable to a buffer overflow vulnerability due to an error within the channel processing code. A remote attacker could overflow the buffer using an older client and cause a denial of service.
CVSS Base score: 5.3
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/181562 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H)

Affected Products and Versions

Affected Product(s) Version(s)
IBM MQ Appliance 8.0
IBM MQ Appliance 9.1 LTS
IBM MQ Appliance 9.1 CD

Remediation/Fixes

IBM MQ Appliance 8.0

Apply fixpack 8.0.0.15, or later.

IBM MQ Appliance 9.1 LTS

Apply fixpack 9.1.0.6, or later.

IBM MQ Appliance 9.1 CD

Apply IBM MQ Appliance 9.2, or later.

Workarounds and Mitigations

None

Get Notified about Future Security Bulletins

References

Off

Change History

23 Jul 2020: 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 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":"8.0.0.0;8.0.0.1;8.0.0.3;8.0.0.4;8.0.0.5;8.0.0.6;8.0.0.7;8.0.0.8;8.0.0.9;8.0.0.10;8.0.0.11;8.0.0.12;8.0.0.13;8.0.0.14;9.1.0.0;9.1.0.1;9.1.0.2;9.1.0.3;9.1.0.4;9.1.0.5;9.1.1;9.1.2;9.1.3;9.1.4;9.1.5","Edition":"","Line of Business":{"code":"LOB36","label":"IBM Automation"}}]

Document Information

Modified date:
27 July 2020

UID

ibm16252783