KLA62070 Multiple vulnerabilities in Mozilla Firefox

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

Below is a complete list of vulnerabilities:

1. A spoofing vulnerability can be exploited remotely to spoof user interface.
2. Memory safety vulnerability can be exploited to execute arbitrary code.
3. Out of bounds memory access vulnerability in WebGL2 blitFramebuffer can be exploited to cause denial of service.
4. Information disclosure vulnerability for X11 can be exploited to obtain sensitive information.
5. Security feature bypass vulnerability can be exploited remotely to bypass security restrictions.
6. Use after free vulnerability in ReadableByteStreamQueueEntry::Buffer can be exploited to cause denial of service or execute arbitrary code.
7. Use after free vulnerability in MessagePort::Entangled can be exploited to cause denial of service or execute arbitrary code.
8. Clickjacking permission prompts vulnerability in fullscreen transition can be exploited remotely to spoof user interface.

Original advisories

MFSA2023-49

Related products

Mozilla-Firefox

CVE list

CVE-2023-6211 unknown

CVE-2023-6213 unknown

CVE-2023-6212 unknown

CVE-2023-6204 unknown

CVE-2023-6208 unknown

CVE-2023-6209 unknown

CVE-2023-6207 unknown

CVE-2023-6205 unknown

CVE-2023-6206 unknown

CVE-2023-6210 unknown

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.

• 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 120