KLA50557 Multiple vulnerabilities in Mozilla Firefox

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

Below is a complete list of vulnerabilities:

1. Security UI vulnerability in Diagcab files can be exploited to spoof user interface.
2. Security bypass vulnerability in cookie storage can be exploited to bypass security restrictions and obtain sensitive information.
3. Use after free vulnerability in NotifyOnHistoryReload can be exploited to cause denial of service.
4. Use after free vulnerability in SpiderMonkey can be exploited to cause denial of service.
5. Security UI vulnerability in full-screen mode can be exploiter to spoof user interface.
6. Memory safety vulnerability can be exploited to execute arbitrary code.
7. Data validation vulnerability in Drag and Drop API can be exploited to execute arbitrary code.
8. Use after free vulnerability in WebRTC can be exploited to execute arbitrary code.
9. Data validation vulnerability in FileSystem API can be exploited to obtain sensitive information via special crafted symlinks.
10. Security UI vulnerability in address bar can be exploiter to spoof user interface via special RTL characters.
11. Security UI vulnerability in full-screen mode can be exploiter to spoof user interface via option element.

Original advisories

MFSA2023-22

Exploitation

Public exploits exist for this vulnerability.

Related products

Mozilla-Firefox

CVE list

CVE-2023-37208 critical

CVE-2023-3482 high

CVE-2023-37209 critical

CVE-2023-37202 critical

CVE-2023-37207 high

CVE-2023-37211 critical

CVE-2023-37203 critical

CVE-2023-37201 critical

CVE-2023-37210 high

CVE-2023-37212 critical

CVE-2023-37206 high

CVE-2023-37205 high

CVE-2023-37204 high

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.

• 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 115