Security Bulletin: IBM Cloud Pak for Multicloud Management Monitoring has applied security fixes for its use of Mozilla Firefox

Summary

IBM Cloud Pak for Multicloud Management Monitoring has applied security fixes for its use of Mozilla Firefox.

Vulnerability Details

CVEID:CVE-2021-23994
**DESCRIPTION:**Mozilla Firefox could allow a remote attacker to execute arbitrary code on the system, caused by by an out-of-bounds write during lazy initialization. By persuading a victim to visit a specially-crafted Web site, a remote attacker could exploit this vulnerability using unknown attack vectors to 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/200186 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)

CVEID:CVE-2021-23998
**DESCRIPTION:**Mozilla Firefox could allow a remote attacker to conduct spoofing attacks, caused by complicated navigations with new windows. By persuading a victim to visit a specially-crafted Web site, a remote attacker could exploit this vulnerability to spoof a secure lock icon.
CVSS Base score: 6.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/200190 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N)

CVEID:CVE-2021-23999
**DESCRIPTION:**Mozilla Firefox could allow a remote attacker to gain elevated privileges on the system, caused by the loading of a Blob URL by the System Principal. By persuading a victim to visit a specially-crafted Web site, a remote attacker could exploit this vulnerability using unknown attack vectors to gain elevated privileges on the system.
CVSS Base score: 8.8
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/200191 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)

CVEID:CVE-2021-29946
**DESCRIPTION:**Mozilla Firefox could allow a remote attacker to bypass security restrictions, caused by use of ports that were written as an integer overflow above the bounds of a 16-bit integer in the Alt-Svc header. By persuading a victim to visit a specially-crafted Web site, a remote attacker could exploit this vulnerability to bypass port blocking.
CVSS Base score: 6.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/200197 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N)

Affected Products and Versions

Remediation/Fixes

Upgrade to IBM Cloud Pak for Multicloud Management 2.3 Fix Pack 2 by following the instructions at <https://www.ibm.com/docs/en/cloud-paks/cp-management/2.3.x?topic=installation-upgrade&gt;

Workarounds and Mitigations

None