CVE-2020-6828 : Security Advisory and Response
Learn about CVE-2020-6828, a vulnerability in Firefox ESR < 68.7 that allows a malicious Android app to overwrite files in the user's profile directory, potentially leading to arbitrary code execution. Find mitigation steps and preventive measures here.
A malicious Android application could exploit a vulnerability in Firefox ESR < 68.7, potentially leading to a file overwrite in the user's profile directory.
Understanding CVE-2020-6828
What is CVE-2020-6828?
This CVE involves a security vulnerability in Firefox ESR < 68.7 that could be exploited by a malicious Android application to overwrite files in the user's profile directory.
The Impact of CVE-2020-6828
The exploitation of this vulnerability could result in a compromise equivalent to arbitrary code execution, affecting the security and integrity of user data.
Technical Details of CVE-2020-6828
Vulnerability Description
A malicious Android application can craft an Intent that Firefox for Android processes, potentially leading to a file overwrite in the user's profile directory. This could be achieved by providing a user.js file with malicious preference values.
Affected Systems and Versions
- Product: Firefox ESR
- Vendor: Mozilla
- Versions Affected: < 68.7
Exploitation Mechanism
- Crafting a malicious Intent from an Android application
- Overwriting files in the user's profile directory
Mitigation and Prevention
Immediate Steps to Take
- Update Firefox ESR to a version higher than 68.7
- Avoid downloading and installing apps from untrusted sources
Long-Term Security Practices
- Regularly update software and applications
- Exercise caution when granting permissions to apps
Patching and Updates
- Stay informed about security advisories from Mozilla
- Apply patches and updates promptly to mitigate known vulnerabilities