Security Bulletin: Multiple vulnerabilities in IBM Java Runtime affect IBM MQ and IBM MQ Appliance

Summary

There are multiple vulnerabilities in IBM® Runtime Environment Java™ Version 6, 7 and 8 used by IBM MQ and IBM MQ Appliance. IBM MQ and IBM Appliance have addressed the applicable CVEs.

Vulnerability Details

If you run your own Java code using the IBM Java Runtime delivered with this product, you should evaluate your code to determine whether additional Java vulnerabilities are applicable to your code. For a complete list of vulnerabilities, refer to the “IBM Java SDK Security Bulletin”, located in the References section for more information.

CVEID: CVE-2019-2449 DESCRIPTION: An unspecified vulnerability related to the Java SE Deployment component could allow an unauthenticated attacker to cause a denial of service resulting in a low availability impact using unknown attack vectors.
CVSS Base Score: 3.1
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/155766 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:L)

CVEID: CVE-2019-2422 DESCRIPTION: An unspecified vulnerability related to the Java SE Libraries component could allow an unauthenticated attacker to obtain sensitive information resulting in a low confidentiality impact using unknown attack vectors.
CVSS Base Score: 3.1
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/155741 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:N)

CVEID: CVE-2018-12549 DESCRIPTION: Eclipse OpenJ9 could allow a remote attacker to execute arbitrary code on the system, caused by the failure to omit a null check on the receiver object of an Unsafe call when accelerating it. An attacker could exploit this vulnerability to execute arbitrary code on the system.
CVSS Base Score: 9.8
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/157513 for more information
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)

Affected Products and Versions

IBM MQ and IBM MQ Appliance 9.1 Long Term Support (LTS)
Maintenance levels 9.1.0.1 and earlier

IBM MQ and IBM MQ Appliance 9.1 Continuous Delivery (CD)
Continuous delivery update 9.1.1

IBM MQ 9.0.0.x Long Term Support (LTS)
Maintenance level 9.0.0.5 and earlier

IBM MQ and IBM MQ Appliance 8.0
Maintenance levels 8.0.0.11 and earlier

Remediation/Fixes

IBM MQ and IBM MQ Appliance 9.1 Long Term Support (LTS)
Apply Fix Pack v9.1.0.2

IBM MQ and IBM MQ Appliance 9.1 Continuous Delivery Release (CDR)
Apply Continuous Delivery Update v9.1.2

IBM MQ 9.0.0.x Long Term Support (LTS)
Apply Fix Pack v9.0.0.6

IBM MQ and IBM MQ Appliance V8.0
Apply Fix Pack v8.0.0.12

Workarounds and Mitigations

None