CVE-2018-12392 : Vulnerability Insights and Analysis
Learn about CVE-2018-12392, a vulnerability in Firefox, Firefox ESR, and Thunderbird versions prior to 63, 60.3, and 60.3 respectively, potentially leading to harmful crashes when mishandling user events in nested loops.
A vulnerability in Firefox, Firefox ESR, and Thunderbird could lead to a potentially harmful crash when mishandling user events in nested loops.
Understanding CVE-2018-12392
What is CVE-2018-12392?
When manipulating user events in nested loops while opening a document through script, a crash can occur due to poor event handling. This vulnerability affects Firefox versions prior to 63, Firefox ESR versions prior to 60.3, and Thunderbird versions prior to 60.3.
The Impact of CVE-2018-12392
The vulnerability could be exploited to cause a crash, potentially leading to further security issues.
Technical Details of CVE-2018-12392
Vulnerability Description
- Vulnerability Type: Crash with nested event loops
- Affected Products: Firefox, Firefox ESR, Thunderbird
Affected Systems and Versions
- Firefox: Versions prior to 63
- Firefox ESR: Versions prior to 60.3
- Thunderbird: Versions prior to 60.3
Exploitation Mechanism
The vulnerability can be triggered by mishandling user events in nested loops while opening a script-based document.
Mitigation and Prevention
Immediate Steps to Take
- Update Firefox, Firefox ESR, and Thunderbird to versions 63, 60.3, and 60.3 respectively.
- Avoid opening potentially malicious script-based documents.
Long-Term Security Practices
- Regularly update software to the latest versions.
- Exercise caution when interacting with unknown or untrusted documents.
Patching and Updates
Apply patches and updates provided by Mozilla to address the vulnerability.