CVE-2018-0638 : Security Advisory and Response

Aterm HC100RC Ver1.0.1 and earlier versions by NEC Corporation are vulnerable to OS command injection, allowing attackers with administrator privileges to execute unauthorized commands.

Understanding CVE-2018-0638

This CVE involves a security vulnerability in Aterm HC100RC Ver1.0.1 and earlier versions that can be exploited by attackers with admin rights.

What is CVE-2018-0638?

The vulnerability in Aterm HC100RC Ver1.0.1 and earlier versions enables attackers with administrator privileges to execute unauthorized OS commands through the import.cgi encKey parameter.

The Impact of CVE-2018-0638

This vulnerability can lead to unauthorized execution of OS commands, potentially compromising the integrity and security of the affected systems.

Technical Details of CVE-2018-0638

Aterm HC100RC Ver1.0.1 and earlier versions are susceptible to OS command injection.

Vulnerability Description

The vulnerability allows attackers with admin rights to execute arbitrary OS commands via the import.cgi encKey parameter.

Affected Systems and Versions

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

Exploitation Mechanism

Attackers exploit the vulnerability by leveraging administrator privileges to execute unauthorized OS commands through the import.cgi encKey parameter.

Mitigation and Prevention

To address CVE-2018-0638, immediate steps and long-term security practices are recommended.

Immediate Steps to Take

Apply vendor-supplied patches or updates promptly.
Restrict access to vulnerable services and interfaces.
Monitor and analyze system logs for any suspicious activities.

Long-Term Security Practices

Regularly update and patch all software and firmware.
Implement the principle of least privilege to limit admin rights.
Conduct regular security assessments and penetration testing.

Patching and Updates

Ensure timely installation of security patches and updates provided by NEC Corporation to mitigate the vulnerability.