CVE-2023-33246 Explained : Impact and Mitigation

In May 2023, Apache published CVE-2023-33246 regarding a possible remote code execution vulnerability in Apache RocketMQ when using the update configuration function.

Understanding CVE-2023-33246

This CVE pertains to a security issue in Apache RocketMQ versions 5.1.0 and below. An attacker could exploit this vulnerability to execute commands remotely under specific conditions.

What is CVE-2023-33246?

For RocketMQ versions 5.1.0 and below, certain components lack permission verification, which could allow an attacker to execute commands remotely. By leveraging the update configuration function or manipulating RocketMQ protocol content, an attacker could run commands as system users.

The Impact of CVE-2023-33246

The vulnerability poses a risk of remote code execution on affected systems, potentially leading to unauthorized access and control by malicious actors.

Technical Details of CVE-2023-33246

The vulnerability is classified under CWE-94 (Improper Control of Generation of Code). The severity is categorized as moderate.

Vulnerability Description

The issue arises due to components like NameServer, Broker, and Controller being exposed on the extranet without proper permission checks, enabling unauthorized remote command execution.

Affected Systems and Versions

Apache RocketMQ versions 5.1.0 and below are impacted. Users are advised to upgrade to version 5.1.1 or above for RocketMQ 5.x and 4.9.6 or above for RocketMQ 4.x to mitigate the risk.

Exploitation Mechanism

Attackers can leverage the update configuration function or manipulate RocketMQ protocol content to execute commands remotely, posing a threat to system integrity.

Mitigation and Prevention

Protecting systems from CVE-2023-33246 requires immediate action and long-term security measures.

Immediate Steps to Take

Users are urged to update Apache RocketMQ to version 5.1.1 or higher (for 5.x) and 4.9.6 or higher (for 4.x) to safeguard against the remote code execution vulnerability.

Long-Term Security Practices

Implement strict access controls, regular security audits, and employee training on secure coding practices to prevent similar vulnerabilities in the future.

Patching and Updates

Stay informed about security patches and updates released by Apache to address known vulnerabilities and enhance the overall security posture of RocketMQ.