CVE-2020-6806 Explained : Impact and Mitigation
Learn about CVE-2020-6806, a Mozilla vulnerability affecting Thunderbird, Firefox, and Firefox ESR versions, leading to memory corruption and potential crashes. Find mitigation steps and preventive measures here.
A vulnerability in Mozilla products could lead to memory corruption and potentially exploitable crashes.
Understanding CVE-2020-6806
This CVE involves out-of-bounds read issues in Thunderbird, Firefox, and Firefox ESR, potentially resulting in memory corruption.
What is CVE-2020-6806?
By manipulating promise resolutions, attackers could trigger out-of-bounds reads, causing memory corruption and potential crashes.
The Impact of CVE-2020-6806
Exploiting this vulnerability could lead to memory corruption and potentially exploitable crashes in Thunderbird, Firefox, and Firefox ESR.
Technical Details of CVE-2020-6806
This section provides detailed technical information about the vulnerability.
Vulnerability Description
The vulnerability arises from manipulating promise resolutions, leading to out-of-bounds reads and potential memory corruption.
Affected Systems and Versions
- Thunderbird < 68.6
- Firefox < 74, Firefox < ESR68.6
- Firefox ESR < 68.6
Exploitation Mechanism
Attackers could exploit this vulnerability by carefully crafting promise resolutions to trigger out-of-bounds reads.
Mitigation and Prevention
Protective measures to address and prevent the CVE-2020-6806 vulnerability.
Immediate Steps to Take
- Update Thunderbird, Firefox, and Firefox ESR to versions above the specified vulnerable ones.
- Monitor for any unusual activities on affected systems.
Long-Term Security Practices
- Regularly update Mozilla products to the latest versions.
- Implement security best practices to prevent similar vulnerabilities.
Patching and Updates
Apply patches provided by Mozilla to fix the vulnerability and enhance system security.