Denial of service in IBM MQ

1) Input validation error

EUVDB-ID: #VU75590

Risk: Medium

CVSSv4.0: 4.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2022-43919

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote user to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient validation of user-supplied input when handling PCF messages. A remote user can send a specially crafted message to the application and perform a denial of service (DoS) attack.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

IBM MQ: 9.0.0 - 9.3.1.1

CPE2.3

• cpe:2.3:a:ibm_corporation:ibm_mq:9.0.5.0:*:*:*:*:*:*:*
• cpe:2.3:a:ibm_corporation:ibm_mq:9.1.5.0:*:*:*:*:*:*:*
• cpe:2.3:a:ibm_corporation:ibm_mq:9.2:IT40099:*:*:*:*:*:*
• cpe:2.3:a:ibm_corporation:ibm_mq:9.2.5:CD:*:*:*:*:*:*
• cpe:2.3:a:ibm_corporation:ibm_mq:9.3:*:*:*:*:*:*:*
• cpe:2.3:a:ibm_corporation:ibm_mq:9.3.0.4:*:*:*:*:*:*:*
• cpe:2.3:a:ibm_corporation:ibm_mq:9.3.1.1:*:*:*:*:*:*:*

External links

https://www.ibm.com/support/pages/node/6985833

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.