CVE-2020-6538 : Security Advisory and Response

Inappropriate implementation in WebView in Google Chrome on Android prior to 84.0.4147.105 allowed a remote attacker to leak cross-origin data via a crafted HTML page.

Understanding CVE-2020-6538

This CVE involves a vulnerability in Google Chrome on Android that could be exploited by a remote attacker to access cross-origin data.

What is CVE-2020-6538?

CVE-2020-6538 is a security vulnerability in Google Chrome on Android devices that could lead to the leakage of cross-origin data through a specially crafted HTML page.

The Impact of CVE-2020-6538

The vulnerability could allow a remote attacker to access sensitive cross-origin data, potentially compromising user privacy and security.

Technical Details of CVE-2020-6538

This section provides more in-depth technical information about the CVE.

Vulnerability Description

The flaw arises from an inappropriate implementation in WebView in Google Chrome on Android versions prior to 84.0.4147.105, enabling the leakage of cross-origin data.

Affected Systems and Versions

Product: Chrome
Vendor: Google
Versions Affected: Prior to 84.0.4147.105

Exploitation Mechanism

The vulnerability can be exploited by a remote attacker through a maliciously crafted HTML page to access and leak cross-origin data.

Mitigation and Prevention

To address and prevent the exploitation of CVE-2020-6538, follow these steps:

Immediate Steps to Take

Update Google Chrome on Android to version 84.0.4147.105 or later.
Avoid visiting untrusted websites or clicking on suspicious links.
Regularly monitor security advisories for any updates or patches.

Long-Term Security Practices

Enable automatic updates for Google Chrome to ensure timely security patches.
Implement secure browsing habits and be cautious of downloading files from unknown sources.

Patching and Updates

Google has released patches to address this vulnerability; ensure your Chrome browser is updated to the latest version to mitigate the risk of exploitation.