CVE-2020-6796 Explained : Impact and Mitigation

A vulnerability in Firefox could allow a content process to modify shared memory, leading to memory corruption and potentially exploitable crashes.

Understanding CVE-2020-6796

This CVE involves a vulnerability in Firefox versions less than 73 and ESR68.5.

What is CVE-2020-6796?

A content process in Firefox could manipulate shared memory related to crash reporting, leading to memory corruption and potential crashes.

The Impact of CVE-2020-6796

This vulnerability could result in memory corruption and potentially exploitable crashes in affected Firefox versions.

Technical Details of CVE-2020-6796

This section provides technical details of the vulnerability.

Vulnerability Description

The vulnerability involves a missing bounds check on shared memory read in the parent process of Firefox.

Affected Systems and Versions

Product: Firefox
Vendor: Mozilla
Versions affected: < 73, < ESR68.5

Exploitation Mechanism

The vulnerability could be exploited by a content process to modify shared memory, potentially leading to memory corruption and crashes.

Mitigation and Prevention

Protecting systems from CVE-2020-6796 requires immediate actions and long-term security practices.

Immediate Steps to Take

Update Firefox to version 73 or higher to mitigate the vulnerability.
Monitor vendor advisories for patches and updates.

Long-Term Security Practices

Regularly update software to the latest versions.
Implement security best practices to prevent memory corruption vulnerabilities.

Patching and Updates

Apply patches provided by Mozilla to address the vulnerability in affected versions.