CVE-2017-12120 : What You Need to Know

A vulnerability in the web server functionality of Moxa EDR-810 V4.1 build 17030317 allows for command injection, potentially leading to privilege escalation and unauthorized access.

Understanding CVE-2017-12120

This CVE involves a command injection vulnerability in Moxa EDR-810 V4.1 build 17030317, which can be exploited to gain unauthorized access.

What is CVE-2017-12120?

CVE-2017-12120 is a security vulnerability in the Moxa EDR-810 V4.1 build 17030317 web server that enables attackers to execute arbitrary commands through specially crafted HTTP requests.

The Impact of CVE-2017-12120

The vulnerability poses a high risk as attackers can exploit it to escalate privileges, potentially leading to a full compromise of the system. The impact includes:

High confidentiality, integrity, and availability impact
Low complexity for the attack
Low privileges required
No user interaction needed

Technical Details of CVE-2017-12120

This section delves into the technical aspects of the CVE.

Vulnerability Description

The vulnerability allows attackers to inject operating system commands into the "ip=" parameter in the "/goform/net_WebPingGetValue" URI, leading to privilege escalation and unauthorized access.

Affected Systems and Versions

Product: Moxa
Vendor: Talos
Version: Moxa EDR-810 V4.1 build 17030317

Exploitation Mechanism

Attackers can exploit this vulnerability by crafting HTTP POST requests to inject malicious commands, enabling them to gain root shell access.

Mitigation and Prevention

Protecting systems from CVE-2017-12120 requires immediate actions and long-term security practices.

Immediate Steps to Take

Apply vendor-supplied patches promptly
Implement network segmentation to limit exposure
Monitor network traffic for suspicious activities

Long-Term Security Practices

Regularly update and patch software and firmware
Conduct security assessments and penetration testing
Educate users on safe browsing habits and security best practices

Patching and Updates

Stay informed about security updates from the vendor
Apply patches and updates as soon as they are available to mitigate the vulnerability