CVE-2018-12400 : What You Need to Know
Learn about CVE-2018-12400 affecting Firefox for Android. Discover how private browsing mode in Firefox can inadvertently expose visited websites. Take immediate steps to update and secure your browser.
Firefox for Android vulnerability allows disclosure of private browsing history.
Understanding CVE-2018-12400
Firefox for Android caches favicons in private browsing mode, potentially revealing visited sites.
What is CVE-2018-12400?
The cache/icons folder in Firefox for Android saves favicons in private browsing mode, leading to the inadvertent disclosure of visited websites.
The Impact of CVE-2018-12400
- Only affects Firefox for Android, not desktop versions
- Can expose private browsing history to unauthorized parties
Technical Details of CVE-2018-12400
Firefox for Android vulnerability details.
Vulnerability Description
In private browsing mode, favicons are cached in Firefox for Android, allowing leakage of visited sites.
Affected Systems and Versions
- Product: Firefox
- Vendor: Mozilla
- Versions Affected: Below 63
Exploitation Mechanism
- Favicons stored in cache/icons folder
- Information leakage of private browsing history
Mitigation and Prevention
Protect your system from CVE-2018-12400.
Immediate Steps to Take
- Update Firefox for Android to version 63 or higher
- Clear browsing history and cache regularly
Long-Term Security Practices
- Use private browsing mode cautiously
- Regularly review and update browser security settings
Patching and Updates
- Stay informed about security advisories from Mozilla
- Apply patches and updates promptly