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CVE-2020-6504 : Exploit Details and Defense Strategies

Learn about CVE-2020-6504, a vulnerability in Google Chrome versions before 74.0.3729.108 allowing remote attackers to bypass notification restrictions via crafted HTML pages. Find mitigation steps and prevention measures.

Google Chrome prior to 74.0.3729.108 had an insufficient policy enforcement vulnerability that could allow a remote attacker to bypass notification restrictions.

Understanding CVE-2020-6504

What is CVE-2020-6504?

This CVE refers to a security flaw in Google Chrome versions before 74.0.3729.108 that enabled attackers to circumvent notification restrictions using a specially crafted HTML page.

The Impact of CVE-2020-6504

The vulnerability could be exploited by remote attackers to bypass notification restrictions, potentially leading to unauthorized actions or information disclosure.

Technical Details of CVE-2020-6504

Vulnerability Description

The issue stemmed from insufficient policy enforcement in Chrome notifications, allowing attackers to manipulate notifications through malicious HTML content.

Affected Systems and Versions

        Product: Chrome
        Vendor: Google
        Versions Affected: < 74.0.3729.108

Exploitation Mechanism

Attackers could exploit this vulnerability by creating a malicious HTML page to bypass notification restrictions in affected Chrome versions.

Mitigation and Prevention

Immediate Steps to Take

        Update Chrome to version 74.0.3729.108 or newer to mitigate the vulnerability.
        Be cautious while interacting with notifications from untrusted sources.

Long-Term Security Practices

        Regularly update Chrome and other software to patch security vulnerabilities.
        Educate users on safe browsing practices to prevent exploitation of similar vulnerabilities.

Patching and Updates

Ensure timely installation of security updates and patches provided by Google Chrome to address known vulnerabilities.

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