CVE-2019-19340 : What You Need to Know
Discover the impact of CVE-2019-19340 on Ansible Tower versions 3.6.x and 3.5.x. Learn about the exposure of RabbitMQ management interface and how to mitigate this high-severity vulnerability.
An issue was discovered in Ansible Tower, specifically in versions 3.6.x prior to 3.6.2 and 3.5.x prior to 3.5.3. This flaw is related to the configuration of the RabbitMQ manager, potentially exposing the RabbitMQ management interface to unauthorized access.
Understanding CVE-2019-19340
This CVE pertains to a vulnerability in Ansible Tower versions 3.6.x before 3.6.2 and 3.5.x before 3.5.4, allowing potential unauthorized access to the system.
What is CVE-2019-19340?
A flaw in Ansible Tower versions 3.6.x before 3.6.2 and 3.5.x before 3.5.3 exposes the RabbitMQ management interface publicly when the RabbitMQ manager is enabled, potentially leading to unauthorized access.
The Impact of CVE-2019-19340
- CVSS Score: 8.2 (High Severity)
- Attack Vector: Network
- Confidentiality Impact: High
- Availability Impact: Low
- The vulnerability does not require privileges or user interaction, making it a high-severity issue.
Technical Details of CVE-2019-19340
This section provides detailed technical information about the vulnerability.
Vulnerability Description
The flaw allows the RabbitMQ management interface to be exposed to the public, enabling potential unauthorized access if the default admin user's password is guessed.
Affected Systems and Versions
- Product: Tower
- Vendor: Red Hat
- Affected Versions:
- ansible_tower versions 3.6.x before 3.6.2
- ansible_tower versions 3.5.x before 3.5.4
Exploitation Mechanism
The vulnerability occurs when the RabbitMQ manager is configured with '-e rabbitmq_enable_manager=true', exposing the management interface to the public.
Mitigation and Prevention
Protect your systems from CVE-2019-19340 with the following steps:
Immediate Steps to Take
- Disable the RabbitMQ manager if not required
- Ensure the default admin user's password is secure
Long-Term Security Practices
- Regularly update Ansible Tower to the latest version
- Implement strong password policies and multi-factor authentication
Patching and Updates
Apply the necessary patches provided by Red Hat to address the vulnerability.