CVE-2018-10855 : What You Need to Know

CVE-2018-10855 pertains to a vulnerability in Ansible versions 2.5.5 and 2.4.5, affecting the handling of the no_log task flag.

Understanding CVE-2018-10855

This CVE highlights a flaw in Ansible versions that could lead to the exposure of sensitive data in log files and on the user's terminal.

What is CVE-2018-10855?

The vulnerability in Ansible versions prior to 2.5.5 and 2.4.5 allows the no_log flag to be bypassed for failed tasks, potentially revealing sensitive information.

The Impact of CVE-2018-10855

The flaw could result in the inadvertent exposure of protected sensitive data if tasks fail, compromising confidentiality.

Technical Details of CVE-2018-10855

This section delves into the specifics of the vulnerability.

Vulnerability Description

Ansible versions 2.5.5 and 2.4.5 do not properly handle the no_log task flag for failed tasks, leading to potential data exposure.

Affected Systems and Versions

Product: Ansible
Versions: 2.5.5, 2.4.5

Exploitation Mechanism

The vulnerability can be exploited by executing tasks that are meant to handle sensitive data, which, if failed, may expose the data.

Mitigation and Prevention

Protecting systems from CVE-2018-10855 requires immediate actions and long-term security measures.

Immediate Steps to Take

Update Ansible to versions 2.5.5 or 2.4.5 to mitigate the vulnerability.
Monitor and restrict access to sensitive data within Ansible playbooks.

Long-Term Security Practices

Regularly update Ansible and other software components to address security vulnerabilities.
Implement encryption and access controls for sensitive data handled by Ansible.

Patching and Updates

Apply patches provided by Ansible to fix the flaw and prevent potential data exposure.