CVE-2019-5068 : Security Advisory and Response

A vulnerability in the Mesa 3D X11 Graphics Library version 19.1.2 allows unauthorized access to shared memory due to insecure permissions.

Understanding CVE-2019-5068

This CVE involves a security issue in the Mesa 3D X11 Graphics Library version 19.1.2, potentially enabling unauthorized users to access shared memory without proper permissions.

What is CVE-2019-5068?

The vulnerability in the X11 Mesa 3D Graphics Library version 19.1.2 allows unauthorized users to access shared memory without requiring specific permissions, posing a security risk.

The Impact of CVE-2019-5068

The vulnerability has a CVSS base score of 5.1, with medium severity. It can be exploited locally with low attack complexity, impacting confidentiality and integrity but not availability.

Technical Details of CVE-2019-5068

This section covers specific technical aspects of the CVE.

Vulnerability Description

The vulnerability in X11 Mesa 3D Graphics Library version 19.1.2 arises from insecure shared memory permissions, enabling unauthorized access to shared memory without the necessary permissions.

Affected Systems and Versions

Product: Mesa 3D X11 Graphics Library
Version: 19.1.2

Exploitation Mechanism

Attack Vector: Local
Attack Complexity: Low
Privileges Required: None
User Interaction: None
Scope: Unchanged

Mitigation and Prevention

Protecting systems from CVE-2019-5068 requires immediate actions and long-term security practices.

Immediate Steps to Take

Apply security patches promptly to address the vulnerability.
Monitor and restrict access to shared memory to prevent unauthorized access.

Long-Term Security Practices

Regularly update and patch software to mitigate potential vulnerabilities.
Implement least privilege access controls to limit unauthorized access.

Patching and Updates

Stay informed about security advisories and updates related to the Mesa 3D X11 Graphics Library.