CVE-2019-14905 : What You Need to Know

Ansible Engine versions 2.9.x prior to 2.9.3, 2.8.x prior to 2.8.8, 2.7.x prior to 2.7.16, and earlier contain a vulnerability in the nxos_file_copy module. This vulnerability allows for unauthorized OS command execution by manipulating the filename parameter.

Understanding CVE-2019-14905

This CVE affects Ansible, a product by Red Hat, and poses a high severity risk with a CVSS base score of 7.3.

What is CVE-2019-14905?

The vulnerability in Ansible's nxos_file_copy module enables threat actors to execute unauthorized OS commands by manipulating the filename parameter, potentially leading to system confidentiality compromise.

The Impact of CVE-2019-14905

Successful exploitation of this vulnerability could result in the compromise of system confidentiality and other related issues due to unauthorized command execution.

Technical Details of CVE-2019-14905

This section provides detailed technical information about the vulnerability.

Vulnerability Description

The vulnerability exists in Ansible's nxos_file_copy module, allowing threat actors to execute unauthorized OS commands by manipulating the filename parameter.

Affected Systems and Versions

Ansible Engine 2.9.x before 2.9.3
Ansible Engine 2.8.x before 2.8.8
Ansible Engine 2.7.x before 2.7.16
Ansible Engine 2.7.x and earlier

Exploitation Mechanism

Threat actors can exploit this vulnerability by crafting the filename parameter to execute unauthorized OS commands, potentially compromising system confidentiality.

Mitigation and Prevention

Protecting systems from CVE-2019-14905 requires immediate actions and long-term security practices.

Immediate Steps to Take

Update Ansible to versions 2.9.3, 2.8.8, or 2.7.16 to mitigate the vulnerability.
Monitor system logs for any suspicious activities.

Long-Term Security Practices

Implement the principle of least privilege to restrict unauthorized access.
Regularly update and patch software to prevent vulnerabilities.
Conduct security audits and penetration testing to identify and address potential weaknesses.
Educate users on best practices for system security.

Patching and Updates

Apply the necessary patches provided by Red Hat to address the vulnerability and enhance system security.