CVE-2018-0634 : 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 in the operating system.

Understanding CVE-2018-0634

This CVE, published on January 9, 2019, highlights a critical vulnerability in the Aterm HC100RC router.

What is CVE-2018-0634?

Aterm HC100RC Ver1.0.1 and earlier versions are susceptible to exploitation by attackers with admin rights using specific URL parameters to execute unauthorized commands.

The Impact of CVE-2018-0634

The vulnerability enables attackers to run arbitrary OS commands, posing a severe risk to the integrity and security of the affected systems.

Technical Details of CVE-2018-0634

This section delves into the technical aspects of the vulnerability.

Vulnerability Description

The flaw in Aterm HC100RC allows attackers with admin privileges to execute unrestricted OS commands through specific URL parameters.

Affected Systems and Versions

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

Exploitation Mechanism

Attackers can leverage the FactoryPassword or bootmode parameters in a specific URL to execute unauthorized commands in the OS.

Mitigation and Prevention

Protecting systems from CVE-2018-0634 requires immediate actions and long-term security measures.

Immediate Steps to Take

Apply vendor-supplied patches promptly
Restrict access to vulnerable systems
Monitor network traffic for suspicious activities

Long-Term Security Practices

Implement the principle of least privilege for user accounts
Conduct regular security audits and penetration testing
Educate users on safe browsing habits and phishing awareness

Patching and Updates

Regularly check for security updates and patches from NEC Corporation to address the vulnerability effectively.