CVE-2017-16346 Explained : Impact and Mitigation

This CVE-2017-16346 article provides insights into a vulnerability in Insteon Hub firmware version 1012, its impact, technical details, and mitigation steps.

Understanding CVE-2017-16346

This CVE involves a buffer overflow vulnerability in Insteon Hub firmware version 1012, allowing an attacker to exploit it via an authenticated HTTP request.

What is CVE-2017-16346?

The vulnerability in Insteon Hub firmware version 1012 enables an attacker to trigger a buffer overflow by sending data longer than the buffer size, leading to potential system compromise.

The Impact of CVE-2017-16346

The CVSS score for this CVE is 8.5 (High), with significant impacts on confidentiality, integrity, and availability of affected systems.

Technical Details of CVE-2017-16346

This section delves into the specifics of the vulnerability.

Vulnerability Description

Attacker exploits buffer overflow in Insteon Hub firmware version 1012 by manipulating s_mac key and buffer size.
Buffer overflow occurs at 0xa000170c due to strcpy copying.
Modification of destination possible using sn_speaker parameter.

Affected Systems and Versions

Product: Insteon
Vendor: Insteon
Versions: Insteon Hub 2245-222 - Firmware version 1012

Exploitation Mechanism

Attacker sends authenticated HTTP request to trigger vulnerability.
Buffer overflow caused by copying s_mac key value to a buffer larger than 25 bytes.
Destination alteration via sn_speaker parameter.

Mitigation and Prevention

Protect systems from CVE-2017-16346 with these measures.

Immediate Steps to Take

Apply security patches provided by Insteon promptly.
Monitor network traffic for any suspicious activities.
Restrict access to vulnerable systems.

Long-Term Security Practices

Regularly update firmware and software to patch vulnerabilities.
Conduct security assessments and penetration testing.

Patching and Updates

Stay informed about security advisories from Insteon.
Implement a robust vulnerability management program.