CVE-2018-0640 : What You Need to Know

A buffer overflow vulnerability in Aterm HC100RC Ver1.0.1 and earlier versions allows an attacker with administrator privileges to execute arbitrary code by manipulating specific parameters.

Understanding CVE-2018-0640

This CVE involves a buffer overflow issue in the Aterm HC100RC router, enabling attackers to execute malicious code.

What is CVE-2018-0640?

This vulnerability permits attackers with admin rights to run unauthorized code through the manipulation of specific parameters in the router.

The Impact of CVE-2018-0640

Exploitation of this vulnerability can lead to unauthorized code execution, potentially compromising the security and integrity of the affected system.

Technical Details of CVE-2018-0640

This section provides detailed technical information about the CVE.

Vulnerability Description

The buffer overflow vulnerability in Aterm HC100RC Ver1.0.1 and earlier versions allows attackers to execute arbitrary code by manipulating netWizard.cgi parameters.

Affected Systems and Versions

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

Exploitation Mechanism

Attackers can exploit this vulnerability by manipulating the netWizard.cgi date, time, and offset parameters to execute malicious code.

Mitigation and Prevention

Protecting systems from CVE-2018-0640 requires immediate actions and long-term security practices.

Immediate Steps to Take

Update the Aterm HC100RC firmware to the latest version.
Implement strong access controls to limit administrator privileges.
Monitor network traffic for any suspicious activity.

Long-Term Security Practices

Regularly update and patch all software and firmware.
Conduct security assessments and penetration testing to identify vulnerabilities.
Educate users and administrators on secure configuration practices.

Patching and Updates

Apply patches provided by NEC Corporation to address the buffer overflow vulnerability in Aterm HC100RC.