CVE-2021-31918 : Security Advisory and Response
Discover the impact of CVE-2021-31918, a flaw in tripleo-ansible version as shipped in Red Hat Openstack 16.1. Learn about the vulnerability, affected systems, exploitation risks, and mitigation steps.
A flaw was discovered in tripleo-ansible version as shipped in Red Hat Openstack 16.1, where the Ansible log file is readable to all users during stack update and creation, posing a risk to data confidentiality.
Understanding CVE-2021-31918
This section provides insights into the impact, technical details, and mitigation strategies related to CVE-2021-31918.
What is CVE-2021-31918?
The vulnerability in tripleo-ansible allows unauthorized users to access the Ansible log file during stack creation and update in Red Hat Openstack 16.1, potentially exposing sensitive data.
The Impact of CVE-2021-31918
The highest threat posed by CVE-2021-31918 is to data confidentiality, as all users can read the Ansible log file, leading to potential data breach and unauthorized access.
Technical Details of CVE-2021-31918
This section delves into the specifics of the vulnerability, affected systems, and exploitation methods.
Vulnerability Description
The flaw in tripleo-ansible version in Red Hat Openstack 16.1 allows unrestricted access to the Ansible log file, compromising sensitive data confidentiality.
Affected Systems and Versions
Systems using tripleo-ansible as shipped in Red Hat Openstack 16.1 are impacted by this vulnerability, exposing them to data confidentiality risks.
Exploitation Mechanism
Unauthorized users can exploit this vulnerability by accessing the Ansible log file during stack update and creation, potentially leading to data leaks.
Mitigation and Prevention
This section outlines immediate steps and long-term security practices to mitigate the risks associated with CVE-2021-31918.
Immediate Steps to Take
Users are advised to restrict access to the Ansible log file, apply relevant security patches, and monitor for any unauthorized log file access.
Long-Term Security Practices
Implementing least privilege access, regular security audits, and ensuring timely software updates can enhance overall system security and prevent similar vulnerabilities.
Patching and Updates
Vendor-released patches and updates should be promptly applied to address the vulnerability and enhance the security posture of affected systems.