KLA61569 Multiple vulnerabilities in Mozilla Firefox ESR

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

Below is a complete list of vulnerabilities:

1. Information disclosure vulnerability can be exploited to obtain sensitive information.
2. Remote code execution vulnerability can be exploited remotely to execute arbitrary code.
3. Denial of service vulnerability can be exploited to cause denial of service.
4. Security UI vulnerability on macOS can be exploited to spoof user interface.
5. Memory safety vulnerability can be exploited to execute arbitrary code.

Original advisories

MFSA2023-46

Related products

Mozilla-Firefox-ESR

CVE list

CVE-2023-5725 warning

CVE-2023-5727 high

CVE-2023-5728 critical

CVE-2023-5726 warning

CVE-2023-5721 warning

CVE-2023-5730 critical

CVE-2023-5724 critical

CVE-2023-5732 high

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.

• OSI

Obtain sensitive information. Exploitation of vulnerabilities with this impact can lead to capturing by abuser information, critical for user or system.

• 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.

• 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 115.4