CVE-2017-16258 : Security Advisory and Response

CVE-2017-16258 is a vulnerability in the Insteon Hub firmware version 1012 that allows for buffer overflow attacks through specially crafted commands sent via the PubNub service.

Understanding CVE-2017-16258

This CVE involves buffer overflow vulnerabilities in the message handler of the PubNub service used for the 'cc' channel in Insteon Hub.

What is CVE-2017-16258?

The vulnerability allows arbitrary data to be overwritten by sending crafted commands through PubNub, leading to a stack-based buffer overflow triggered by an authenticated HTTP request.

The Impact of CVE-2017-16258

The vulnerability has a CVSS base score of 8.5 (High severity) with significant impacts on confidentiality, integrity, and availability of affected systems.

Technical Details of CVE-2017-16258

Vulnerability Description

Exploitable buffer overflow in the PubNub service message handler of Insteon Hub firmware version 1012.

Affected Systems and Versions

Vendor: Insteon
Product: Hub
Affected Version: Not specified

Exploitation Mechanism

Crafted commands via PubNub service trigger a stack-based buffer overflow in the 'cc' channel of Insteon Hub.

Mitigation and Prevention

Immediate Steps to Take

Disable remote access to vulnerable devices if possible.
Apply vendor-supplied patches or updates promptly.

Long-Term Security Practices

Regularly update firmware and software to address security vulnerabilities.
Implement network segmentation to limit the impact of potential attacks.
Monitor and restrict network traffic to and from critical devices.

Patching and Updates

Stay informed about security advisories from Insteon and apply patches as soon as they are available.