CVE-2020-15671 Explained : Impact and Mitigation
Learn about CVE-2020-15671, a vulnerability in Firefox for Android < 80 that could save passwords to the keyboard dictionary. Find out the impact, affected systems, and mitigation steps.
A vulnerability in Firefox for Android could lead to passwords being saved to the keyboard dictionary.
Understanding CVE-2020-15671
What is CVE-2020-15671?
When typing a password under specific conditions, an issue in InputContext may cause the password to be saved to the keyboard dictionary in Firefox for Android versions less than 80.
The Impact of CVE-2020-15671
This vulnerability could potentially expose sensitive passwords to unauthorized access if saved in the keyboard dictionary.
Technical Details of CVE-2020-15671
Vulnerability Description
The vulnerability arises from a race condition where InputContext is not correctly set, leading to password leakage to the keyboard dictionary.
Affected Systems and Versions
- Product: Firefox for Android
- Vendor: Mozilla
- Versions Affected: < 80
Exploitation Mechanism
The issue occurs when typing passwords under specific circumstances, triggering the incorrect setting of InputContext and subsequent password saving.
Mitigation and Prevention
Immediate Steps to Take
- Avoid typing sensitive passwords on Firefox for Android versions below 80.
- Clear keyboard dictionaries regularly to remove any saved passwords.
Long-Term Security Practices
- Use password managers to securely store and manage passwords.
- Regularly update Firefox for Android to the latest version to patch security vulnerabilities.
Patching and Updates
Ensure that Firefox for Android is updated to version 80 or above to mitigate the vulnerability.