CVE-2017-5084 : Exploit Details and Defense Strategies

CVE-2017-5084 was published on October 27, 2017, and affects Google Chrome versions prior to 59.0.3071.92. The vulnerability allowed a local attacker to gain unauthorized access to local files through a flawed implementation in the image-burner function.

Understanding CVE-2017-5084

Before diving into the technical details, it's essential to understand the nature of the vulnerability and its impact.

What is CVE-2017-5084?

CVE-2017-5084 is a vulnerability in Google Chrome OS prior to version 59.0.3071.92 that could be exploited by a local attacker to access local files through specific D-Bus commands.

The Impact of CVE-2017-5084

The vulnerability in the image-burner function of Google Chrome OS allowed unauthorized access to local files, posing a security risk to affected systems.

Technical Details of CVE-2017-5084

Let's delve into the technical aspects of this CVE to understand its implications better.

Vulnerability Description

The flaw in the image-burner function of Google Chrome OS prior to 59.0.3071.92 enabled a local attacker to execute dbus-send commands targeting a specific BurnImage D-Bus endpoint, leading to unauthorized file access.

Affected Systems and Versions

Product: Google Chrome prior to 59.0.3071.92
Vendor: Not applicable

Exploitation Mechanism

The vulnerability could be exploited by a local attacker leveraging dbus-send commands to target the BurnImage D-Bus endpoint, allowing unauthorized access to local files.

Mitigation and Prevention

To address CVE-2017-5084 and enhance system security, consider the following mitigation strategies.

Immediate Steps to Take

Update Google Chrome to version 59.0.3071.92 or later to patch the vulnerability.
Monitor system logs for any suspicious activity indicating unauthorized file access.

Long-Term Security Practices

Implement least privilege access controls to restrict unauthorized file access.
Conduct regular security audits and penetration testing to identify and address potential vulnerabilities.

Patching and Updates

Regularly apply security patches and updates provided by Google Chrome to mitigate known vulnerabilities and enhance system security.