Security Bulletin: IBM MQ Appliance is affected by Network Security Services (NSS) vulnerabilities (CVE-2019-11729 and CVE-2019-11745)

Summary

IBM MQ Appliance has addressed the following Network Security Services vulnerabilities.

Vulnerability Details

CVEID:CVE-2019-11729
**DESCRIPTION:**Mozilla Firefox is vulnerable to a denial of service, caused by the improper validation of empty or malformed p256-ECDH public keys before being copied into memory and used. By persuading a victim to visit a specially-crafted web site, a remote attacker could exploit this vulnerability to cause the browser to crash.
CVSS Base score: 6.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/163507 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H)

CVEID:CVE-2019-11745
**DESCRIPTION:**Mozilla Network Security Services (NSS), as used in Mozilla Firefox could allow a remote attacker to execute arbitrary code on the system, caused by an out-of-bounds write when encrypting with a block cipher. By persuading a victim to visit a specially-crafted web site, a remote attacker could exploit this vulnerability to corrupt the heap and execute arbitrary code on the vulnerable system or cause a denial of service.
CVSS Base score: 8.8
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/172458 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H)

Affected Products and Versions

Remediation/Fixes

IBM MQ Appliance version 8.0

Apply iFix IT31912, or later.

IBM MQ Appliance version 9.1 LTS

Apply fixpack 9.1.0.5, or later.

IBM MQ Appliance version 9.1 CD

Apply Continuous Delivery release 9.1.5, or later.

Workarounds and Mitigations

None