Security Bulletin: Multiple vulnerabilities of Mozilla Firefox (less than Firefox 78.9.0 ESR +  CVE-2021-23954) have affected Synthetic Playback Agent 8.1.4.0-8.1.4 IF13 + CP4MCM2.2

Summary

Synthetic Playback Agent has addressed the following vulnerabilities: CVE-2021-23954, CVE-2021-23960, CVE-2021-23964, CVE-2021-23953

Vulnerability Details

CVEID:CVE-2021-23954
**DESCRIPTION:**Mozilla Firefox could allow a remote attacker to execute arbitrary code on the system, caused by a type confuson when using logical assignment operators in JavaScript switch statements. 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/195642 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-2021-23960
**DESCRIPTION:**Mozilla Firefox is vulnerable to a denial of service, caused by a use-after-poison when performing garbage collection on re-declared JavaScript variable. 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/195648 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-2021-23964
**DESCRIPTION:**Mozilla Firefox could allow a remote attacker to execute arbitrary code on the system, caused by memory safety bugs within the browser engine. 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/195640 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-2021-23953
**DESCRIPTION:**Mozilla Firefox could allow a remote attacker to obtain sensitive information, caused by a cross-origin information leakage. By persuading a victim to open a specially-crafted PDF file, a remote attacker could exploit this vulnerability to obtain sensitive information.
CVSS Base score: 5.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/195641 for the current score.
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N)

Affected Products and Versions

APM SaaS| NA

APM on-premise| 8.1.4
CP4MCM DataCollectors
| 2.2

Remediation/Fixes

Synthetic Playback Agent 8.1.4 IF14

Download link: http://www.ibm.com/support/fixcentral/quickorder?product=ibm%2FTivoli%2FIBM+Application+Performance+Management+Advanced&fixids=8.1.4.0-IBM-APM-SYNTHETIC-PLAYBACK-AGENT-IF0014&source=SAR

Readme: <https://www.ibm.com/support/pages/node/6438239&gt;

CP4MCM DataCollectors|

upgrade to 2.3

<https://www-03preprod.ibm.com/support/knowledgecenter/SSFC4F_2.3.0/install/upgrade.html&gt;

Workarounds and Mitigations

None