Learn about CVE-2021-21137, a security flaw in Google Chrome allowing remote attackers to access sensitive information via a malicious HTML page. Find mitigation steps and update recommendations.
A vulnerability in Google Chrome prior to version 88.0.4324.96 could allow a remote attacker to access sensitive information from disk via a maliciously crafted HTML page.
Understanding CVE-2021-21137
This CVE details an inappropriate implementation issue in DevTools in Google Chrome that has security implications.
What is CVE-2021-21137?
The vulnerability in Google Chrome before version 88.0.4324.96 enables a remote attacker to potentially extract sensitive data from a target system by exploiting a flaw in DevTools.
The Impact of CVE-2021-21137
If exploited, the vulnerability could lead to unauthorized access to sensitive information stored on disk, posing a risk to user privacy and data security.
Technical Details of CVE-2021-21137
This section provides detailed technical insights into the vulnerability.
Vulnerability Description
The inappropriate implementation in DevTools in Google Chrome allows a threat actor to retrieve sensitive data from disk using a specially crafted HTML page.
Affected Systems and Versions
Google Chrome versions prior to 88.0.4324.96 are affected by this vulnerability.
Exploitation Mechanism
The security flaw can be exploited remotely by luring a user to visit a malicious website containing the crafted HTML page.
Mitigation and Prevention
To prevent exploitation and mitigate the risks associated with CVE-2021-21137, users and organizations should take immediate action.
Immediate Steps to Take
Users should update Google Chrome to version 88.0.4324.96 or later to eliminate the vulnerability and enhance system security.
Long-Term Security Practices
Employing secure browsing habits, avoiding suspicious websites, and staying informed about security updates are essential for long-term protection.
Patching and Updates
Regularly monitor for security patches and updates from Google Chrome to address vulnerabilities promptly and maintain a secure browsing environment.