KLA48552 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, obtain sensitive information, execute arbitrary code.

Below is a complete list of vulnerabilities:

1. Denial of service vulnerability in JIT compiler can be exploited to cause denial of service.
2. Out of bounds vulnerability can be exploited to cause denial of service.
3. Denial of service vulnerability in Worklets can be exploited to cause denial of service.
4. Security UI vulnerability in Cross-origin iframe can be exploited to spoof user interface.
5. Information disclosure vulnerability in Save As dialog on Windows can be exploited to obtain sensitive information.
6. Memory safety vulnerability can be exploited to execute arbitrary code.

Original advisories

MFSA2023-10

Related products

Mozilla-Firefox-ESR

CVE list

CVE-2023-25751 high

CVE-2023-28176 critical

CVE-2023-28162 critical

CVE-2023-28164 high

CVE-2023-28163 high

CVE-2023-25752 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 102.9