CVE-2020-6403 : Security Advisory and Response

Google Chrome on iOS prior to 80.0.3987.87 allows a remote attacker to spoof the URL bar content through a crafted HTML page.

Understanding CVE-2020-6403

This CVE involves an incorrect implementation in the Omnibox of Google Chrome on iOS.

What is CVE-2020-6403?

Vulnerability in Google Chrome on iOS before version 80.0.3987.87
Allows a remote attacker to manipulate the content of the Omnibox (URL bar) using a specially crafted HTML page

The Impact of CVE-2020-6403

Remote attackers can deceive users by spoofing the URL displayed in the Omnibox
Phishing attacks and social engineering could be facilitated through this vulnerability

Technical Details of CVE-2020-6403

This section covers the technical aspects of the CVE.

Vulnerability Description

Incorrect implementation in the Omnibox of Google Chrome on iOS
Exploitable by a remote attacker to spoof the URL displayed in the Omnibox

Affected Systems and Versions

Product: Chrome
Vendor: Google
Versions Affected: < 80.0.3987.87

Exploitation Mechanism

Crafted HTML page manipulation allows attackers to spoof Omnibox content

Mitigation and Prevention

Protecting systems from CVE-2020-6403 is crucial to maintaining security.

Immediate Steps to Take

Update Google Chrome on iOS to version 80.0.3987.87 or later
Be cautious of URLs displayed in the Omnibox to avoid falling victim to spoofing attacks

Long-Term Security Practices

Regularly update software and applications to patch known vulnerabilities
Educate users on safe browsing practices and recognizing phishing attempts

Patching and Updates

Google released a fix in version 80.0.3987.87 to address this vulnerability