CVE-2018-6121 Explained : Impact and Mitigation
Learn about CVE-2018-6121, a vulnerability in Google Chrome's Blink engine allowing privilege escalation. Find out how to mitigate the risk and protect your system.
A vulnerability in pre-66.0.3359.170 versions of Google Chrome's Blink engine allowed remote attackers to escalate privileges through inadequate input validation.
Understanding CVE-2018-6121
What is CVE-2018-6121?
This CVE refers to a security flaw in Google Chrome's Blink engine that could be exploited by a remote attacker to elevate privileges.
The Impact of CVE-2018-6121
The vulnerability could lead to privilege escalation, potentially enabling attackers to perform malicious actions on affected systems.
Technical Details of CVE-2018-6121
Vulnerability Description
The vulnerability stemmed from insufficient input validation in Blink in Google Chrome versions prior to 66.0.3359.170, allowing attackers to escalate privileges via a crafted HTML page.
Affected Systems and Versions
- Product: Chrome
- Vendor: Google
- Versions Affected: Pre-66.0.3359.170
Exploitation Mechanism
The exploitation involved the use of a maliciously crafted HTML page to take advantage of the inadequate input validation in the Blink engine.
Mitigation and Prevention
Immediate Steps to Take
- Update Google Chrome to version 66.0.3359.170 or newer to mitigate the vulnerability.
- Avoid clicking on suspicious links or visiting untrusted websites.
Long-Term Security Practices
- Regularly update software and applications to the latest versions.
- Implement strong security measures such as firewalls and antivirus software.
Patching and Updates
Ensure timely installation of security patches and updates to address known vulnerabilities.