CVE-2020-6558 : Security Advisory and Response

Google Chrome on iOS prior to 85.0.4183.83 is affected by insufficient policy enforcement in iOSWeb, allowing a remote attacker to bypass navigation restrictions.

Understanding CVE-2020-6558

This CVE describes a vulnerability in Google Chrome on iOS that could be exploited by a remote attacker.

What is CVE-2020-6558?

CVE-2020-6558 refers to the insufficient policy enforcement in iOSWeb in Google Chrome on iOS versions prior to 85.0.4183.83. This vulnerability enables a remote attacker to bypass navigation restrictions through a specially crafted HTML page.

The Impact of CVE-2020-6558

The vulnerability allows malicious actors to circumvent navigation restrictions, potentially leading to unauthorized access to sensitive information or further exploitation of the affected system.

Technical Details of CVE-2020-6558

Google Chrome on iOS versions prior to 85.0.4183.83 is susceptible to this vulnerability.

Vulnerability Description

The issue arises from insufficient policy enforcement in iOSWeb, which could be exploited by a remote attacker.

Affected Systems and Versions

Product: Chrome
Vendor: Google
Versions Affected: < 85.0.4183.83

Exploitation Mechanism

A remote attacker can exploit this vulnerability by utilizing a crafted HTML page to bypass navigation restrictions in Google Chrome on iOS.

Mitigation and Prevention

It is crucial to take immediate steps to address and prevent the exploitation of CVE-2020-6558.

Immediate Steps to Take

Update Google Chrome on iOS to version 85.0.4183.83 or later.
Avoid clicking on suspicious links or visiting untrusted websites.
Implement security best practices to mitigate the risk of similar vulnerabilities.

Long-Term Security Practices

Regularly update software and applications to the latest versions.
Educate users on safe browsing habits and cybersecurity awareness.
Employ network security measures to detect and prevent unauthorized access.

Patching and Updates

Ensure that all systems running Google Chrome on iOS are promptly updated to version 85.0.4183.83 or above to mitigate the vulnerability.