What is the vulnerability ID for this vulnerability?

The vulnerability ID is CVE-2020-4465.

Which IBM products are affected by this vulnerability?

IBM MQ Appliance, IBM MQ for HPE NonStop 8.0, 9.1 CD, and 9.1 LTS are affected by this vulnerability.

What is the severity of CVE-2020-4465?

The severity of CVE-2020-4465 is medium, with a CVSS score of 6.5.

How can a remote attacker exploit this vulnerability?

A remote attacker could exploit this vulnerability by using an older client to overflow the buffer and cause a denial of service.

Are there any known fixes or patches for this vulnerability?

Please refer to the IBM support page at https://www.ibm.com/support/pages/node/6252783 for information on fixes for this vulnerability.

Vulnerability/
CVE-2020-4465

medium

6.5

CWE

120 119

23/7/2020

28/7/2020

CVE-2020-4465: Buffer Overflow

First published: Thu Jul 23 2020(Updated: )

IBM MQ, IBM MQ Appliance, and IBM MQ for HPE NonStop 8.0, 9.1 CD, and 9.1 LTS is 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. IBM X-Force ID: 181562.

Credit: psirt@us.ibm.com

Affected Software	Affected Version	How to fix
IBM MQ Appliance	>=8.0<8.0.0.15
IBM MQ Appliance	>=9.1.0.0<9.1.0.6
IBM MQ Appliance	>=9.1.0.0<9.2.0.0
IBM MQ Appliance	<=8.0
IBM MQ Appliance	<=9.1 LTS
IBM MQ Appliance	<=9.1 CD

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Parent vulnerabilities

(Appears in the following advisories)

IBM-6252783

Frequently Asked Questions

What is the vulnerability ID for this vulnerability?
The vulnerability ID is CVE-2020-4465.
Which IBM products are affected by this vulnerability?
IBM MQ Appliance, IBM MQ for HPE NonStop 8.0, 9.1 CD, and 9.1 LTS are affected by this vulnerability.
What is the severity of CVE-2020-4465?
The severity of CVE-2020-4465 is medium, with a CVSS score of 6.5.
How can a remote attacker exploit this vulnerability?
A remote attacker could exploit this vulnerability by using an older client to overflow the buffer and cause a denial of service.
Are there any known fixes or patches for this vulnerability?
Please refer to the IBM support page at https://www.ibm.com/support/pages/node/6252783 for information on fixes for this vulnerability.

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