CVE-2019-3805 : What You Need to Know

A vulnerability has been found in Wildfly versions prior to 16.0.0.Final, allowing local users to terminate processes on the system.

Understanding CVE-2019-3805

This CVE involves a vulnerability in Wildfly that could be exploited by local users to terminate processes on the system.

What is CVE-2019-3805?

The vulnerability in Wildfly versions prior to 16.0.0.Final allows local users with the ability to execute the init.d script to terminate any processes on the system. Attackers can manipulate the PID file to grant the init.d script the power to terminate processes as the root user.

The Impact of CVE-2019-3805

The impact of this vulnerability is rated as MEDIUM severity with a CVSS base score of 5.5. The attack complexity is LOW, but the availability impact is HIGH.

Technical Details of CVE-2019-3805

This section provides technical details about the vulnerability.

Vulnerability Description

The vulnerability enables local users to execute the init.d script to terminate processes on the system by modifying the PID file.

Affected Systems and Versions

Product: Wildfly
Vendor: Red Hat
Versions affected: Up to 16.0.0.Final

Exploitation Mechanism

Attackers can modify the PID file in /var/run/jboss-eap/ to grant the init.d script the capability to terminate any process as the root user.

Mitigation and Prevention

Protect your systems from CVE-2019-3805 with the following steps:

Immediate Steps to Take

Update Wildfly to version 16.0.0.Final or later.
Monitor system processes for any unauthorized terminations.

Long-Term Security Practices

Implement the principle of least privilege for user permissions.
Regularly review and update access controls to prevent unauthorized access.

Patching and Updates

Apply security patches provided by Red Hat to address this vulnerability.