KLA68920 Multiple vulnerabilities in Mozilla Firefox ESR

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

Below is a complete list of vulnerabilities:

1. Security vulnerability when using the ‘Save As’ functionality can be exploited to bypass security restrictions.
2. Use after free vulnerability in networking can be exploited to cause denial of service or execute arbitrary code.
3. Use after free vulnerability in JavaScript object transplant can be exploited to cause denial of service or execute arbitrary code.
4. Heap buffer overflow vulnerability can be exploited to cause denial of service.
5. Information disclosure vulnerability in Offscreen Canvas can be exploited to obtain sensitive information.
6. Information disclosure vulnerability can be exploited to obtain sensitive information.
7. Security vulnerability can be exploited to bypass security restrictions.
8. Сorrupt memory leading vulnerability in Text Fragments can be exploited to a potentially exploitable crash.

Original advisories

MFSA2024-26

Related products

Mozilla-Firefox-ESR

CVE list

CVE-2024-5692 unknown

CVE-2024-5702 unknown

CVE-2024-5688 unknown

CVE-2024-5700 unknown

CVE-2024-5693 unknown

CVE-2024-5690 unknown

CVE-2024-5691 unknown

CVE-2024-5696 unknown

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.

Affected Products

• Mozilla Firefox ESR earlier than 115.12.0