CVE-2018-0639 : Exploit Details and Defense Strategies

Aterm HC100RC Ver1.0.1 and earlier versions by NEC Corporation are vulnerable to OS Command Injection, allowing attackers with administrator privileges to execute arbitrary commands.

Understanding CVE-2018-0639

What is CVE-2018-0639?

Aterm HC100RC Ver1.0.1 and earlier versions are susceptible to exploitation by attackers with admin rights to run arbitrary OS commands through specific parameters.

The Impact of CVE-2018-0639

This vulnerability enables attackers to execute unauthorized operating system commands, potentially leading to system compromise and data breaches.

Technical Details of CVE-2018-0639

Vulnerability Description

The flaw in Aterm HC100RC Ver1.0.1 and earlier versions allows attackers with admin privileges to execute arbitrary OS commands via specific parameters in the tools_firmware.cgi module.

Affected Systems and Versions

Product: HC100RC
Vendor: NEC Corporation
Versions Affected: Ver1.0.1 and earlier

Exploitation Mechanism

Attackers exploit the vulnerability by manipulating the date, time, and offset parameters in the tools_firmware.cgi module.

Mitigation and Prevention

Immediate Steps to Take

Apply security patches provided by NEC Corporation promptly.
Restrict access to vulnerable systems to authorized personnel only.
Monitor network traffic for any suspicious activities.

Long-Term Security Practices

Regularly update and patch all software and firmware to prevent vulnerabilities.
Conduct security training for employees to enhance awareness of potential threats.
Implement network segmentation to limit the impact of successful attacks.

Patching and Updates

Ensure that all systems running Aterm HC100RC are updated with the latest patches and security fixes.