KLA11725 Multiple vulnerabilities in Mozilla Firefox

Multiple vulnerabilities were found in Mozilla Firefox. Malicious users can exploit these vulnerabilities to execute arbitrary code, obtain sensitive information, gain privileges.

Below is a complete list of vulnerabilities:

1. Out of bounds write vulnerability in GMPDecodeData can be exploited to execute arbitrary code.
2. Memory corruption vulnerability can be exploited to execute arbitrary code.
3. Uninitialized memory vulnerability in WebGL can be exploited to potentially obtain sensitive information.
4. Malicious extension vilnerabilites in OAuth login flows can be exploited to obtain sensitive information and gain privileges.
5. Browser session vulnerability can be exploited to obtain sensitive information and gain privileges.

Original advisories

MFSA2020-12

Related products

Mozilla-Firefox

CVE list

CVE-2020-6822 high

CVE-2020-6825 critical

CVE-2020-6826 critical

CVE-2020-6821 warning

CVE-2020-6823 critical

CVE-2020-6824 warning

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.

• 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.

Affected Products

• Mozilla Firefox earlier than 75