Input validation error in IBM MQ - CVE-2023-26285

Vulnerability identifier: #VU75593

CSH Severity: Medium

CVSS v4: 8.7 [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]

CVE-ID: CVE-2023-26285

CWE-ID: CWE-20

Exploitation vector: Remote access

Exploit availability: No public exploit available

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

The vulnerability exists due to insufficient validation of user-supplied input. A remote attacker can pass specially crafted input to the application and perform a denial of service (DoS) attack.

IBM MQ
IBM Integration Bus
IBM Sterling B2B Integrator
IBM MQ for HPE NonStop
IBM MQ Appliance
IBM App Connect Enterprise

Install updates from vendor's website.

IBM MQ - addressed in versions 9.0.0.17, 9.2.0.11, 9.3.0.5, 9.3.2.1
IBM MQ Appliance - addressed in versions 9.2.0.11, 9.2.5.7, 9.3.0.5, 9.3.2.1
IBM Sterling B2B Integrator - addressed in versions 6.1.2.5, 6.2.0.1
IBM MQ for HPE NonStop - update to 8.1.0.16

• https://www.ibm.com/support/pages/node/6985839

• Remote denial of service in IBM MQ
• Remote denial of service in IBM MQ Appliance
• Multiple vulnerabilities in IBM App Connect Enterprise and IBM Integration Bus
• Input validation error in IBM MQ for HPE NonStop
• Multiple vulnerabilities in IBM Sterling B2B Integrator