PT-2021-12172 · Ibm · Ibm Mq Internet Pass-Thru

Published 2021-01-22 · Updated 2021-01-28 · CVE-2020-4766

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

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

Name of the Vulnerable Software and Affected Versions IBM MQ Internet Pass-Thru versions 2.1 through 9.2

Description The issue allows a remote user to cause a denial of service by sending malformed MQ data requests which would consume all available resources.

Recommendations For IBM MQ Internet Pass-Thru versions 2.1 through 9.2, consider restricting access to the service to prevent remote users from sending malformed requests until a fix is available. As a temporary workaround, consider implementing resource limits to prevent the consumption of all available resources. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Resource Exhaustion

Weakness Enumeration

CWE-400

Related Identifiers

CVE-2020-4766

Affected Products

Ibm Mq Internet Pass-Thru

References · 6

• https://osv.dev/vulnerability/CVE-2020-4766 · Vendor Advisory
• https://ibm.com/support/pages/node/6406254 · Vendor Advisory
• https://exchange.xforce.ibmcloud.com/vulnerabilities/188903 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2020-4766 · Security Note
• https://t.me/cvenotify/8869 · Telegram Post
• https://t.me/cibsecurity/22530 · Telegram Post