CVE-2018-20218 : Security Advisory and Response

A vulnerability has been found in Teracue ENC-400 devices running firmware versions 2.56 and earlier, allowing attackers to execute arbitrary commands.

Understanding CVE-2018-20218

This CVE identifies a security flaw in Teracue ENC-400 devices that enables command injection through the login form.

What is CVE-2018-20218?

This vulnerability in Teracue ENC-400 devices with firmware versions 2.56 and below allows attackers to execute arbitrary commands by manipulating the "password" parameter in the login form.

The Impact of CVE-2018-20218

The vulnerability enables unauthorized individuals to execute commands on affected devices, potentially leading to unauthorized access and control.

Technical Details of CVE-2018-20218

Teracue ENC-400 devices are affected by a flaw that allows command injection through the login form.

Vulnerability Description

The login form in /usr/share/www/check.lp file does not properly validate user input, allowing attackers to execute arbitrary commands.

Affected Systems and Versions

Teracue ENC-400 devices with firmware versions 2.56 and earlier

Exploitation Mechanism

Attackers can exploit the vulnerability by manipulating the "password" parameter in the login form to inject and execute malicious commands.

Mitigation and Prevention

To address CVE-2018-20218, users should take immediate steps and implement long-term security practices.

Immediate Steps to Take

Update the firmware to a patched version provided by the vendor
Restrict network access to the affected devices
Monitor for any suspicious activities on the network

Long-Term Security Practices

Regularly update firmware and software to patch known vulnerabilities
Implement strong password policies and multi-factor authentication
Conduct regular security audits and penetration testing

Patching and Updates

Apply patches and updates provided by Teracue for the ENC-400 devices to mitigate the vulnerability