CVE-2017-5463 : Security Advisory and Response

Android intents in Firefox for Android allow address bar spoofing, affecting versions below 53.

Understanding CVE-2017-5463

Android intents can launch Firefox for Android in reader mode, enabling attackers to deceive users by falsifying the address bar content.

What is CVE-2017-5463?

Android intents used to initiate Firefox for Android in reader mode with user-specified URLs
Allows attackers to spoof address bar content, deceiving users
Specifically impacts Firefox for Android versions below 53

The Impact of CVE-2017-5463

Potential for attackers to manipulate displayed address bar content
Users may be misled by falsified information
Limited to Firefox for Android, other operating systems are not affected

Technical Details of CVE-2017-5463

Android intents in Firefox for Android can be exploited to spoof address bar content.

Vulnerability Description

Utilization of Android intents in Firefox for Android
Enables attackers to falsify displayed address bar content

Affected Systems and Versions

Product: Firefox
Vendor: Mozilla
Versions Affected: Below 53

Exploitation Mechanism

Launching Firefox for Android in reader mode with user-specified URLs
Deceiving users by manipulating address bar content

Mitigation and Prevention

Immediate Steps to Take

Update Firefox for Android to version 53 or higher
Be cautious when clicking on links in Firefox for Android Long-Term Security Practices
Regularly update Firefox for Android to the latest version
Educate users on safe browsing practices Patching and Updates
Apply patches provided by Mozilla to address the vulnerability