PT-2020-11009 · Ibm · Ibm Mq+1

Published 2020-03-16 · Updated 2021-07-21 · CVE-2019-4656

Positive Technologies (AI Summary)

CVSS v3.1

6.5

Medium

Base vector

AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions IBM MQ and IBM MQ Appliance versions 7.1, 7.5, 8.0, 9.0 LTS, 9.1 LTS, and 9.1 CD

Description The issue allows an authenticated user to perform a denial of service attack, which can cause the queue to crash and require a restart. This is due to an error in processing error messages.

Recommendations For IBM MQ and IBM MQ Appliance versions 7.1, 7.5, 8.0, 9.0 LTS, 9.1 LTS, and 9.1 CD, update to a version that includes the fix for the error in processing error messages to prevent the denial of service attack. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Related Identifiers

CVE-2019-4656

Affected Products

Ibm Mq

Ibm Mq Appliance

References · 5

• https://ibm.com/support/pages/node/1135095 · Vendor Advisory
• https://exchange.xforce.ibmcloud.com/vulnerabilities/170967 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2019-4656 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2019-4656 · Security Note
• https://t.me/cvenotify/1749 · Telegram Post