CVE-2018-0641 Explained : Impact and Mitigation

A buffer overflow vulnerability in Aterm HC100RC versions 1.0.1 and earlier allows an attacker with administrator privileges to execute unauthorized code by manipulating certain parameters in the tools_system.cgi script.

Understanding CVE-2018-0641

This CVE involves a buffer overflow issue in specific versions of Aterm HC100RC, potentially leading to the execution of unauthorized code.

What is CVE-2018-0641?

Aterm HC100RC versions 1.0.1 and earlier are susceptible to a buffer overflow vulnerability that can be exploited by an attacker with administrator rights.

The Impact of CVE-2018-0641

The vulnerability enables an attacker to execute unauthorized code by manipulating date, time, and offset parameters in the tools_system.cgi script.

Technical Details of CVE-2018-0641

This section provides more in-depth technical insights into the CVE.

Vulnerability Description

The buffer overflow in Aterm HC100RC Ver1.0.1 and earlier allows an attacker with administrator privileges to execute arbitrary code via the tools_system.cgi script.

Affected Systems and Versions

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

Exploitation Mechanism

The vulnerability can be exploited by manipulating the date, time, and offset parameters in the tools_system.cgi script.

Mitigation and Prevention

Protecting systems from CVE-2018-0641 requires immediate actions and long-term security practices.

Immediate Steps to Take

Apply vendor-supplied patches promptly.
Restrict access to vulnerable systems.
Monitor network traffic for signs of exploitation.

Long-Term Security Practices

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

Patching and Updates

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