KLA50558 Multiple vulnerabilities in Mozilla Firefox ESR

Multiple vulnerabilities were found in Mozilla Firefox ESR. Malicious users can exploit these vulnerabilities to spoof user interface, cause denial of service, execute arbitrary code.

Below is a complete list of vulnerabilities:

1. Security UI vulnerability in Diagcab files can be exploited to spoof user interface.
2. Use after free vulnerability in SpiderMonkey can be exploited to cause denial of service.
3. Security UI vulnerability in full-screen mode can be exploiter to spoof user interface.
4. Memory safety vulnerability can be exploited to execute arbitrary code.
5. Use after free vulnerability in WebRTC can be exploited to execute arbitrary code.

Original advisories

MFSA2023-23

Related products

Mozilla-Firefox-ESR

CVE list

CVE-2023-37208 critical

CVE-2023-37202 critical

CVE-2023-37207 high

CVE-2023-37211 critical

CVE-2023-37201 critical

Solution

Update to the latest version

Download Firefox ESR

Impacts

• ACE

Arbitrary code execution. Exploitation of vulnerabilities with this impact can lead to executing by abuser any code or commands at vulnerable machine or process.

• DoS

Denial of service. Exploitation of vulnerabilities with this impact can lead to loss of system availability or critical functional fault.

• SB

Security bypass. Exploitation of vulnerabilities with this impact can lead to performing actions restricted by current security settings.

• XSS/CSS

Cross site scripting. Exploitation of vulnerabilities with this impact can lead to partial interception of information transmitted between user and site.

• SUI

Spoof user interface. Exploitation of vulnerabilities with this impact can lead to changes in user interface to beguile user into inaccurate behavior.

Affected Products

• Mozilla Firefox ESR earlier than 102.13