CVE-2020-6830 : What You Need to Know

Firefox for iOS version less than 25 is affected by a security vulnerability related to native-to-JS bridging security token exploit.

Understanding CVE-2020-6830

This CVE involves a vulnerability in Firefox for iOS that allows unauthorized access through a security token exploit.

What is CVE-2020-6830?

This CVE pertains to a flaw in Firefox for iOS versions below 25 that exposes a security token used for native-to-JS bridging, leading to potential unauthorized access.

The Impact of CVE-2020-6830

The vulnerability allows non-app code to call bridging functions due to the leakage of the security token, potentially compromising user data and system integrity.

Technical Details of CVE-2020-6830

This section provides detailed technical information about the CVE.

Vulnerability Description

The vulnerability arises from the unnecessary usage of a security token in JS-to-native bridging functions, leading to token leakage and unauthorized access.

Affected Systems and Versions

Product: Firefox for iOS
Vendor: Mozilla
Versions Affected: < 25

Exploitation Mechanism

The exploit involves leveraging the leaked security token to gain unauthorized access to bridging functions in Firefox for iOS.

Mitigation and Prevention

Protect your systems and data from CVE-2020-6830 with these mitigation strategies.

Immediate Steps to Take

Update Firefox for iOS to version 25 or above to mitigate the vulnerability.
Avoid executing untrusted JavaScript code to minimize the risk of exploitation.

Long-Term Security Practices

Regularly update software and applications to the latest versions to patch known vulnerabilities.
Implement secure coding practices to prevent security token leaks and unauthorized access.

Patching and Updates

Stay informed about security advisories from Mozilla to apply timely patches and updates to address vulnerabilities.