CVE-2017-5053 : Security Advisory and Response
CVE-2017-5053 is an out-of-bounds read vulnerability in Google Chrome's V8 JavaScript engine, allowing remote attackers to execute malicious code via a crafted HTML page. Learn about the impact, affected systems, and mitigation steps.
A vulnerability was found in the V8 JavaScript engine used in Google Chrome versions prior to 57.0.2987.133 for Linux, Windows, and Mac, and 57.0.2987.132 for Android. This vulnerability, known as an out-of-bounds read, enabled a remote attacker to execute malicious code within a secure environment by exploiting a flaw in the Array.prototype.indexOf function. The attack could be initiated by loading a specially crafted HTML page.
Understanding CVE-2017-5053
What is CVE-2017-5053?
CVE-2017-5053 is an out-of-bounds read vulnerability in the V8 JavaScript engine used in specific versions of Google Chrome, allowing remote attackers to execute arbitrary code via a crafted HTML page.
The Impact of CVE-2017-5053
This vulnerability could be exploited by a remote attacker to execute malicious code within a secure environment, potentially leading to unauthorized access or control of the affected system.
Technical Details of CVE-2017-5053
Vulnerability Description
The vulnerability in the V8 JavaScript engine in Google Chrome versions prior to 57.0.2987.133 for Linux, Windows, and Mac, and 57.0.2987.132 for Android allows for an out-of-bounds read, enabling remote code execution.
Affected Systems and Versions
- Google Chrome prior to 57.0.2987.133 for Linux, Windows, and Mac
- Google Chrome 57.0.2987.132 for Android
Exploitation Mechanism
The vulnerability can be exploited by a remote attacker loading a specially crafted HTML page to trigger the out-of-bounds read and execute malicious code.
Mitigation and Prevention
Immediate Steps to Take
- Update Google Chrome to version 57.0.2987.133 for Linux, Windows, and Mac, and 57.0.2987.132 for Android
- Avoid visiting untrusted websites or clicking on suspicious links
- Implement security best practices for web browsing
Long-Term Security Practices
- Regularly update software and applications to patch known vulnerabilities
- Utilize security tools like antivirus and firewalls to enhance protection
Patching and Updates
Ensure timely installation of security patches and updates provided by Google Chrome to address the CVE-2017-5053 vulnerability.