Security Bulletin: IBM MQ is affected by multiple vulnerabilities in Pacemaker

Summary

Multiple vulnerabilities were identified in the Pacemaker component that is bundled with IBM MQ Advanced for use by replicated data queue managers (RDQM).

Vulnerability Details

CVEID:CVE-2018-16878
**DESCRIPTION:**Pacemaker is vulnerable to a denial of service, caused by an insufficient verification inflicted preference of uncontrolled processes. A remote attacker could exploit this vulnerability to cause the application to crash.
CVSS Base score: 5.3
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/159858 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L)

CVEID:CVE-2018-16877
**DESCRIPTION:**Pacemaker could allow a local attacker to gain elevated privileges on the system, caused by a flaw in the authentication in the client server. An attacker could exploit this vulnerability to escalate privileges.
CVSS Base score: 5.9
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/159859 for the current score.
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L)

CVEID:CVE-2019-3885
**DESCRIPTION:**Pacemaker could allow a remote attacker to obtain sensitive information, caused by a use-after-free flaw. A remote attacker could exploit this vulnerability to obtain sensitive information from the system logs.
CVSS Base score: 5.3
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/159857 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N)

Affected Products and Versions

Remediation/Fixes

IBM MQ 9.1 LTS

Apply Fixpack 9.1.0.7

IBM MQ 9.2 LTS

Apply Fixpack 9.2.0.1

IBM MQ 9.1 CD and IBM MQ 9.2 CD

Upgrade to IBM MQ 9.2.1

Workarounds and Mitigations

None