CVE-2017-5087 : Vulnerability Insights and Analysis

A vulnerability known as "use after free" was found in the Blink rendering engine used in Google Chrome versions before 59.0.3071.104 for Mac, Windows, and Linux, as well as version 59.0.3071.117 for Android. This vulnerability enabled a remote attacker to carry out an out-of-bounds memory read by exploiting a crafted HTML page, resulting in an escape from the IndexedDB sandbox.

Understanding CVE-2017-5087

This CVE refers to a specific vulnerability in Google Chrome that allowed for a use after free attack, potentially leading to a security breach.

What is CVE-2017-5087?

CVE-2017-5087 is a security vulnerability in Google Chrome versions prior to 59.0.3071.104 for Mac, Windows, and Linux, and 59.0.3071.117 for Android. It involves a use after free issue in the Blink rendering engine.

The Impact of CVE-2017-5087

The vulnerability could be exploited by a remote attacker to execute an out-of-bounds memory read through a specially crafted HTML page. This could result in an escape from the IndexedDB sandbox, potentially leading to unauthorized access to sensitive information.

Technical Details of CVE-2017-5087

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

Vulnerability Description

The vulnerability in Google Chrome prior to version 59.0.3071.104 for Mac, Windows, and Linux, and version 59.0.3071.117 for Android, allowed a remote attacker to perform an out-of-bounds memory read via a crafted HTML page, leading to an escape from the IndexedDB sandbox.

Affected Systems and Versions

Google Chrome versions before 59.0.3071.104 for Mac, Windows, and Linux
Google Chrome version 59.0.3071.117 for Android

Exploitation Mechanism

The vulnerability could be exploited by a remote attacker through a specially crafted HTML page to trigger the use after free condition in the Blink rendering engine.

Mitigation and Prevention

Protecting systems from CVE-2017-5087 requires immediate actions and long-term security practices.

Immediate Steps to Take

Update Google Chrome to version 59.0.3071.104 for Mac, Windows, and Linux, and version 59.0.3071.117 for Android to mitigate the vulnerability.
Avoid visiting untrusted websites or clicking on suspicious links.

Long-Term Security Practices

Regularly update software and applications to the latest versions.
Implement security best practices to prevent and detect potential security threats.

Patching and Updates

Stay informed about security advisories and patches released by Google Chrome.
Apply security updates promptly to ensure protection against known vulnerabilities.