CVE-2020-25636 Explained : Impact and Mitigation

A flaw in Ansible Base using the aws_ssm connection plugin allows file transfers without namespace separation, leading to collisions and impacting service availability.

Understanding CVE-2020-25636

This CVE involves a vulnerability in Ansible Base affecting AWS Community Collections.

What is CVE-2020-25636?

The flaw in Ansible Base allows files to be written directly to the root bucket without namespace separation, potentially causing collisions during multiple ansible processes.

The Impact of CVE-2020-25636

CVSS Score: 6.6 (Medium)
Attack Vector: Local
Attack Complexity: Low
Privileges Required: Low
User Interaction: Required
Confidentiality Impact: None
Integrity Impact: High
Availability Impact: High

Technical Details of CVE-2020-25636

This section provides more in-depth technical information about the vulnerability.

Vulnerability Description

The flaw in Ansible Base allows files to be written directly to the root bucket without proper namespace separation, potentially leading to collisions during multiple ansible processes.

Affected Systems and Versions

Product: Community Collections
Vendor: AWS Community
Versions Affected: 1.0.0 to 1.2.0

Exploitation Mechanism

The vulnerability can be exploited by an attacker to write files directly to the root bucket, impacting service availability.

Mitigation and Prevention

It is crucial to take immediate steps to address and prevent exploitation of this vulnerability.

Immediate Steps to Take

Update Ansible Base to the latest version.
Implement proper namespace separation for file transfers.
Monitor file operations for any suspicious activities.

Long-Term Security Practices

Regularly review and update security configurations.
Conduct security training for personnel to enhance awareness.

Patching and Updates

Apply patches provided by the vendor to fix the vulnerability.