KLA20049 Multiple vulnerabilities in Mozilla Firefox

Multiple vulnerabilities were found in Mozilla Firefox. Malicious users can exploit these vulnerabilities to cause denial of service, spoof user interface, bypass security restrictions, obtain sensitive information, execute arbitrary code, gain privileges, perform cross-site scripting attack.

Below is a complete list of vulnerabilities:

1. Denial of service vulnerability in Symlinks can be exploited cause denial of service.
2. Security UI vulnerability in Custom cursor can be exploited to spoof user interface.
3. Security vulnerability in TLS certificate can be exploited to bypass security restrictions.
4. Information disclosure vulnerability in Side-Channel can be exploited to obtain sensitive information.
5. Use after free vulnerability in JavaScript Realm can be exploited to cause denial of service or execute arbitrary code.
6. Security vulnerability in Service Workers area can be exploited to bypass security restrictions.
7. Security UI vulnerability in window.print can be exploited to spoof user interface.
8. Elevation of privilege vulnerability in S.browser_fallback_url can be exploited remotely to gain privileges.
9. Information disclosure vulnerability in Service Workers can be exploited to obtain sensitive information.
10. Use after free vulnerability in FontFace can be exploited to cause denial of service.
11. Security bypass vulnerability in Trace can be exploited to perform cross-site scripting attack.
12. Security UI vulnerability in windowName can be exploited to spoof user interface.
13. Security UI vulnerability in iframe can be exploited to spoof user interface.
14. Use after free vulnerability in InputStream can be exploited to cause denial of service or execute arbitrary code.
15. Use after free vulnerability in Garbage Collection can be exploited to cause denial of service or execute arbitrary code.
16. Code execution vulnerability can be exploited to execute arbitrary code.
17. Memory safety vulnerability can be exploited to execute arbitrary code.
18. Use after free vulnerability in expat can be exploited to cause denial of service.

Original advisories

MFSA2022-47

Related products

Mozilla-Firefox

CVE list

CVE-2022-40674 critical

CVE-2022-45412 critical

CVE-2022-45418 high

CVE-2022-45419 high

CVE-2022-45416 high

CVE-2022-45406 critical

CVE-2022-45403 high

CVE-2022-45404 high

CVE-2022-45413 high

CVE-2022-45417 warning

CVE-2022-45407 critical

CVE-2022-45411 high

CVE-2022-45408 high

CVE-2022-45420 high

CVE-2022-45405 high

CVE-2022-45410 high

CVE-2022-45409 critical

CVE-2022-45415 critical

CVE-2022-45421 critical

CVE-2022-46883 critical

Solution

Update to the latest version

Download Firefox

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.

• PE

Privilege escalation. Exploitation of vulnerabilities with this impact can lead to performing by abuser actions, which are normally disallowed for current role.

• 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 earlier than 107.0