Learn about CVE-2023-34214, affecting TN-4900 and TN-5900 Series firmware versions, allowing remote code execution. Find mitigation steps to secure affected devices.
A detailed overview of CVE-2023-34214, including its impact, technical details, and mitigation strategies.
Understanding CVE-2023-34214
Get insights into the critical Second Order Command-injection Vulnerability in the Certificate-generation Function.
What is CVE-2023-34214?
The TN-4900 Series and TN-5900 Series firmware versions v1.2.4 and prior are vulnerable to a command-injection flaw due to insufficient input validation in the certificate-generation function.
The Impact of CVE-2023-34214
The vulnerability allows attackers to execute remote code on affected devices, posing a significant risk to confidentiality, integrity, and availability.
Technical Details of CVE-2023-34214
Explore the specifics of the vulnerability, affected systems, and the exploitation mechanism.
Vulnerability Description
The flaw arises from inadequate input validation in certificate generation, enabling malicious users to perform remote code execution.
Affected Systems and Versions
Impacted products include TN-4900 Series, TN-5900 Series, EDR-810 Series, EDR-G902 Series, and EDR-G903 Series with specific vulnerable firmware versions.
Exploitation Mechanism
Attack complexity is low, with network-based attack vectors and no user interaction required. The vulnerability's high severity stems from its impact on availability, integrity, and confidentiality.
Mitigation and Prevention
Discover immediate steps and long-term security practices to mitigate the vulnerability.
Immediate Steps to Take
Moxa recommends upgrading firmware versions as a solution to address the vulnerability. Specific upgrade paths are detailed for each affected product line.
Long-Term Security Practices
In addition to immediate updates, implementing robust input validation and regular security audits can help prevent similar vulnerabilities in the future.
Patching and Updates
Regularly monitor vendor advisories for firmware updates and security patches to ensure devices remain secure and protected.