KLA73123 Multiple vulnerabilities in Mozilla Firefox ESR

Multiple vulnerabilities were found in Mozilla Firefox ESR. Malicious users can exploit these vulnerabilities to cause denial of service, spoof user interface, perform cross-site scripting attack.

Below is a complete list of vulnerabilities:

1. Type confusion vulnerability when looking up a property name in a “with” block can be exploited to cause denial of service.
2. Security UI vulnerability can be exploited to spoof user interface.
3. Cross-site scripting (XSS) vulnerability can be exploited to perform cross-site scripting attack.

Original advisories

MFSA2024-41

Related products

Mozilla-Firefox-ESR

CVE list

CVE-2024-8383 critical

CVE-2024-8381 critical

CVE-2024-8382 critical

CVE-2024-8384 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 115.15