CVE-2022-1049 : Exploit Details and Defense Strategies

A flaw was found in the Pacemaker configuration tool (pcs), where the pcs daemon allowed expired accounts and accounts with expired passwords to login using PAM authentication, potentially granting access to unprivileged expired accounts.

Understanding CVE-2022-1049

This section provides insight into the impact and technical details of CVE-2022-1049.

What is CVE-2022-1049?

CVE-2022-1049 is a vulnerability in Pacemaker (pcs) versions <= v0.11.2, allowing expired accounts to login when using PAM authentication.

The Impact of CVE-2022-1049

The vulnerability could enable unauthorized access to systems by unprivileged expired accounts that were previously denied access.

Technical Details of CVE-2022-1049

Let's dive deeper into the specifics of the vulnerability.

Vulnerability Description

The flaw in the pcs daemon permits expired accounts and accounts with expired passwords to authenticate, potentially leading to unauthorized system access.

Affected Systems and Versions

Pacemaker versions <= v0.11.2 are affected by this vulnerability.

Exploitation Mechanism

Attackers can exploit this issue by leveraging the pcs daemon to gain access using expired credentials.

Mitigation and Prevention

Discover the steps to mitigate the risks posed by CVE-2022-1049.

Immediate Steps to Take

Immediately restrict access to potentially compromised accounts and review system logs for any unauthorized logins.

Long-Term Security Practices

Implement proper credential rotation policies and conduct regular security audits to prevent similar vulnerabilities.

Patching and Updates

Update Pacemaker to a non-vulnerable version, such as versions above v0.11.2, to address this security flaw.