CVE-2022-29527 : Vulnerability Insights and Analysis

Amazon AWS amazon-ssm-agent before 3.1.1208.0 creates a world-writable sudoers file, leading to privilege escalation for local attackers. Learn more about this CVE below.

Understanding CVE-2022-29527

This vulnerability in Amazon AWS amazon-ssm-agent allows local attackers to elevate their privileges on affected systems.

What is CVE-2022-29527?

Amazon AWS amazon-ssm-agent before version 3.1.1208.0 contains a security flaw that enables local attackers to inject Sudo rules and gain root privileges through a race condition.

The Impact of CVE-2022-29527

The presence of a world-writable sudoers file in affected versions allows malicious users to perform unauthorized actions with elevated privileges, potentially leading to system compromise.

Technical Details of CVE-2022-29527

Get insights into the specifics of this CVE to secure your systems.

Vulnerability Description

Amazon AWS amazon-ssm-agent before 3.1.1208.0 creates a world-writable sudoers file, enabling local privilege escalation through injected Sudo rules.

Affected Systems and Versions

All systems running Amazon AWS amazon-ssm-agent versions prior to 3.1.1208.0 are vulnerable to this exploit.

Exploitation Mechanism

This vulnerability occurs due to a race condition in specific scenarios, allowing attackers to manipulate the sudoers file.

Mitigation and Prevention

Discover the steps you can take to address CVE-2022-29527 and enhance the security of your systems.

Immediate Steps to Take

Update amazon-ssm-agent to version 3.1.1208.0 or newer to mitigate this vulnerability.
Restrict access to the affected sudoers file to prevent unauthorized modifications.

Long-Term Security Practices

Regularly review and update file permissions to restrict write access and prevent privilege escalation attempts.

Patching and Updates

Stay informed about security updates for amazon-ssm-agent to address known vulnerabilities promptly.