Denial of service in IBM MQ

1) Input validation error

EUVDB-ID: #VU73189

Risk: Medium

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2022-40237

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

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

The vulnerability exists due to insufficient validation of CCDT files. A remote attacker can pass specially crafted CCDT file 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:9.0.0.15:*:*:*:*:*:*:*
• cpe:2.3:a:ibm_corporation:ibm_mq:9.0.4:*:*:*:*:*:*:*
• cpe:2.3:a:ibm_corporation:ibm_mq:9.0.5.0:*:*:*:*:*:*:*
• cpe:2.3:a:ibm_corporation:ibm_mq:9.2:IT40099:*:*:*:*:*:*
• cpe:2.3:a:ibm_corporation:ibm_mq:9.2.0.9:*:*:*:*:*:*:*
• cpe:2.3:a:ibm_corporation:ibm_mq:9.2.1.0:*:*:*:*:*:*:*
• cpe:2.3:a:ibm_corporation:ibm_mq:9.2.2.0:*:*:*:*:*:*:*
• 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:9.3.0.3:*:*:*:*:*:*:*

External links

https://exchange.xforce.ibmcloud.com/vulnerabilities/235727
https://www.ibm.com/support/pages/node/6958136

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

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