CVE-2019-3845 : What You Need to Know

Researchers have discovered a security vulnerability in the message queues managed by Satellite's QPID broker and utilized by katello-agent in versions preceding Satellite 6.2, optional Satellite 6.1, and Satellite Capsule 6.1. This vulnerability allows an authenticated malicious user to gain unauthorized access to hosts registered to Satellite or Capsule.

Understanding CVE-2019-3845

This CVE involves a security vulnerability in the message queues managed by Satellite's QPID broker.

What is CVE-2019-3845?

The vulnerability allows an authenticated malicious user to exploit the flaw and gain unauthorized access to hosts registered to Satellite or Capsule.

The Impact of CVE-2019-3845

CVSS Score: 8.0 (High)
Attack Vector: Adjacent Network
Confidentiality Impact: High
Integrity Impact: High
Availability Impact: High

Technical Details of CVE-2019-3845

The technical details of this CVE are as follows:

Vulnerability Description

The vulnerability allows an attacker to execute privileged commands on hosts registered to Satellite or Capsule.

Affected Systems and Versions

Product: qpid-dispatch-router
Vendor: Red Hat
Affected Versions:
Fixed in Satellite >= 6.2
Fixed in Satellite 6.1 - Optional
Fixed in Satellite Capsule 6.1

Exploitation Mechanism

The flaw can be exploited by an authenticated malicious user with access to a registered host to gain unauthorized access to other hosts registered to Satellite or Capsule.

Mitigation and Prevention

To mitigate the risks associated with CVE-2019-3845, consider the following steps:

Immediate Steps to Take

Upgrade to Satellite version 6.2 or above.
Implement access controls to limit user privileges.
Monitor and audit QPID broker activities.

Long-Term Security Practices

Regularly update and patch Satellite and Capsule installations.
Conduct security training for users to prevent unauthorized access.

Patching and Updates

Apply the necessary patches provided by Red Hat to fix the vulnerability.