CVE-2017-16338 : Security Advisory and Response

Insteon Hub 2245-222 with firmware version 1012 is vulnerable to a buffer overflow exploit, allowing unauthorized individuals to execute malicious HTTP requests.

Understanding CVE-2017-16338

This CVE involves a critical vulnerability in Insteon Hub's firmware version 1012, enabling attackers to trigger a buffer overflow.

What is CVE-2017-16338?

An attacker can exploit a buffer overflow in Insteon Hub by sending an authenticated HTTP request, leading to unauthorized code execution.

The Impact of CVE-2017-16338

CVSS Base Score: 8.5 (High)
Attack Vector: Network
Attack Complexity: High
Privileges Required: Low
Confidentiality, Integrity, and Availability Impact: High
Scope: Changed
User Interaction: None

Technical Details of CVE-2017-16338

Insteon Hub 2245-222 with firmware version 1012 is susceptible to a buffer overflow vulnerability.

Vulnerability Description

The vulnerability allows an attacker to copy the host key value to a buffer using the strcpy function, causing a buffer overflow due to the buffer's limited capacity.

Affected Systems and Versions

Product: Insteon
Vendor: Insteon
Affected Version: Insteon Hub 2245-222 - Firmware version 1012

Exploitation Mechanism

Attacker sends an authenticated HTTP request
Host key value copied to buffer at 0xa00016e0
Buffer overflow occurs with input exceeding 32 bytes

Mitigation and Prevention

Immediate action and long-term security practices are crucial to mitigate the risks associated with CVE-2017-16338.

Immediate Steps to Take

Update Insteon Hub firmware to a non-vulnerable version
Implement network segmentation to limit exposure
Monitor network traffic for suspicious activities

Long-Term Security Practices

Regularly update firmware and security patches
Conduct security assessments and penetration testing

Patching and Updates

Apply vendor-supplied patches promptly
Stay informed about security advisories and best practices