CVE-2023-34213 : Security Advisory and Response
Learn about CVE-2023-34213 affecting TN-5900 Series devices, a command-injection vulnerability with a high severity impact. Find mitigation steps and immediate solutions here.
A detailed analysis of CVE-2023-34213 focusing on the Second Order Command-injection Vulnerability in the Key-generation Function for TN-5900 Series devices by Moxa.
Understanding CVE-2023-34213
This section delves into the specifics of CVE-2023-34213, highlighting the vulnerability, its impacts, affected systems, and mitigation strategies.
What is CVE-2023-34213?
TN-5900 Series firmware versions v3.3 and earlier are susceptible to a command-injection vulnerability originating from inadequate input validation and improper authentication in the key-generation function. This flaw could empower malicious actors to execute remote code on compromised devices.
The Impact of CVE-2023-34213
The vulnerability, identified as CAPEC-248 Command Injection, poses a high severity risk with a CVSS base score of 8.8. The attack complexity is low, with a high impact on confidentiality, integrity, and availability of affected systems.
Technical Details of CVE-2023-34213
This section elaborates on the vulnerability description, affected systems and versions, and the exploitation mechanism.
Vulnerability Description
The command-injection vulnerability in TN-5900 Series firmware versions v3.3 and earlier arises from deficiencies in input validation and authentication within the key-generation function, enabling remote code execution by malicious users.
Affected Systems and Versions
TN-5900 Series devices running firmware versions up to v3.3 are impacted by this vulnerability, exposing them to the risk of malicious code execution.
Exploitation Mechanism
Attackers with access to the affected devices can exploit the command-injection vulnerability to execute arbitrary code remotely.
Mitigation and Prevention
Explore the necessary steps to safeguard systems against CVE-2023-34213, including immediate actions and long-term security practices.
Immediate Steps to Take
Moxa has released a solution to remediate the vulnerability. Affected users are advised to upgrade their TN-5900 Series devices to firmware version 3.4 or later.
Long-Term Security Practices
In addition to patching the firmware, implementing robust security measures such as network segmentation and access controls can enhance the overall resilience of the system.
Patching and Updates
Regularly monitor security advisories from Moxa and promptly apply patches and updates to mitigate potential risks.