CVE-2019-11709 : Exploit Details and Defense Strategies
Learn about CVE-2019-11709, a vulnerability in Firefox ESR, Firefox, and Thunderbird versions below specified versions that could lead to memory corruption and unauthorized code execution. Find mitigation steps and patching instructions here.
Memory safety bugs in Firefox ESR, Firefox, and Thunderbird versions below specified versions could allow unauthorized code execution.
Understanding CVE-2019-11709
Bugs related to memory safety have been identified in Firefox versions 67 and Firefox ESR version 60.7, potentially leading to memory corruption and unauthorized code execution.
What is CVE-2019-11709?
- Memory safety bugs in Firefox ESR, Firefox, and Thunderbird versions below 60.8 and 68, respectively
- Bugs could be exploited to execute unauthorized code
The Impact of CVE-2019-11709
- Potential memory corruption and unauthorized code execution
- Affects Firefox ESR versions below 60.8, Firefox versions below 68, and Thunderbird versions below 60.8
Technical Details of CVE-2019-11709
Vulnerability Description
- Memory safety bugs in Firefox versions 67 and Firefox ESR version 60.7
- Bugs could potentially lead to arbitrary code execution
Affected Systems and Versions
- Firefox ESR versions below 60.8
- Firefox versions below 68
- Thunderbird versions below 60.8
Exploitation Mechanism
- Exploiting memory safety bugs to run unauthorized code
Mitigation and Prevention
Immediate Steps to Take
- Update Firefox ESR to version 60.8 or higher
- Update Firefox to version 68 or higher
- Update Thunderbird to version 60.8 or higher
Long-Term Security Practices
- Regularly update software to the latest versions
- Implement proper security measures to prevent unauthorized code execution
Patching and Updates
- Refer to vendor advisories for specific patching instructions