CVE-2017-14477 : Vulnerability Insights and Analysis

MySQL MMM version 2.2.1 for FreeBSD is vulnerable to a shell command injection attack, allowing attackers to execute arbitrary commands through the mmm_agentd process.

Understanding CVE-2017-14477

What is CVE-2017-14477?

The vulnerability lies in the add_ip function in the MMM::Agent::Helpers::Network module within MySQL Multi-Master Replication Manager (MMM) version 2.2.1 for FreeBSD, enabling a shell command injection attack.

The Impact of CVE-2017-14477

The vulnerability has a CVSS base score of 9.8, indicating a critical severity level with high impacts on confidentiality, integrity, and availability. Attackers can exploit this flaw to execute arbitrary commands.

Technical Details of CVE-2017-14477

Vulnerability Description

A specially crafted MMM protocol message can trigger a shell command injection, leading to the execution of arbitrary commands with the privileges of the mmm_agentd process.

Affected Systems and Versions

Product: MySql MMM
Vendor: Talos
Version: MMM 2.2.1

Exploitation Mechanism

By establishing a TCP session with mmm_agentd, an attacker can exploit the vulnerability by sending a carefully constructed MMM protocol message.

Mitigation and Prevention

Immediate Steps to Take

Apply vendor patches or updates promptly to address the vulnerability.
Monitor network traffic for any suspicious activities that could indicate exploitation attempts.

Long-Term Security Practices

Implement the principle of least privilege to restrict access rights for users and processes.
Conduct regular security assessments and penetration testing to identify and remediate vulnerabilities.

Patching and Updates

Regularly check for security advisories from the vendor and apply patches or updates as soon as they are available.