CVE-2018-14665 : What You Need to Know

Xorg-x11-server prior to version 1.20.3 has a vulnerability that allows unauthorized users to elevate privileges and execute arbitrary code with root privileges.

Understanding CVE-2018-14665

This CVE involves a flaw in Xorg-x11-server that can be exploited by unprivileged users to escalate their privileges.

What is CVE-2018-14665?

The vulnerability in Xorg-x11-server before version 1.20.3 allows unauthorized users to gain root privileges by exploiting faulty permission validation during the initiation of Xorg.

The Impact of CVE-2018-14665

The vulnerability enables unauthorized users with physical console access to elevate their privileges and execute arbitrary code with root privileges.

Technical Details of CVE-2018-14665

Xorg-x11-server vulnerability details and affected systems.

Vulnerability Description

Incorrect permission check for -modulepath and -logfile options in Xorg-x11-server
Allows unprivileged users to escalate privileges and run arbitrary code as root

Affected Systems and Versions

Product: n/a
Vendor: n/a
Versions affected: n/a

Exploitation Mechanism

Unauthorized users with physical console access can exploit the flaw to gain root privileges

Mitigation and Prevention

Steps to mitigate and prevent exploitation of CVE-2018-14665.

Immediate Steps to Take

Update Xorg-x11-server to version 1.20.3 or later
Restrict physical console access to authorized users only

Long-Term Security Practices

Regularly monitor and apply security patches to all software
Implement least privilege access controls to limit user capabilities
Conduct security training to educate users on best practices

Patching and Updates

Regularly check for security advisories and updates from Xorg-x11-server and related vendors