CVE-2020-26954 : Exploit Details and Defense Strategies
Learn about CVE-2020-26954 affecting Firefox for Android. This vulnerability allows local spoofing of web manifests, impacting versions prior to 83. Find mitigation steps and updates here.
Firefox for Android vulnerability allowing local spoofing of web manifests.
Understanding CVE-2020-26954
What is CVE-2020-26954?
Firefox for Android accepted malicious intents from other apps, allowing the declaration of webapp manifests from arbitrary file paths. This could lead to UI spoofing and cross-origin attacks.
The Impact of CVE-2020-26954
This vulnerability affects Firefox versions prior to 83 and only impacts Firefox for Android, leaving other operating systems unaffected.
Technical Details of CVE-2020-26954
Vulnerability Description
- Firefox for Android accepted manifests from arbitrary file paths
- Allowed declaring webapp manifests for other origins
- Could lead to fullscreen access for UI spoofing and cross-origin attacks
Affected Systems and Versions
- Product: Firefox
- Vendor: Mozilla
- Versions affected: < 83
Exploitation Mechanism
- Malicious intents from other installed apps
- Declaration of webapp manifests from arbitrary file paths
Mitigation and Prevention
Immediate Steps to Take
- Update Firefox for Android to version 83 or higher
- Avoid accepting intents from untrusted apps
Long-Term Security Practices
- Regularly update software and applications
- Be cautious when granting permissions to apps
Patching and Updates
- Mozilla has released patches to address this vulnerability