CVE-2017-16253 : Security Advisory and Response

Insteon Hub 2245-222 - Firmware version 1012 has a critical buffer overflow vulnerability in the PubNub message handler.

Understanding CVE-2017-16253

This CVE involves a security flaw in the Insteon Hub 2245-222 with Firmware version 1012, potentially leading to a buffer overflow.

What is CVE-2017-16253?

The vulnerability in the PubNub message handler of Insteon Hub 2245-222 allows attackers to trigger a buffer overflow by sending crafted commands, potentially leading to arbitrary data overwriting.

The Impact of CVE-2017-16253

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

Technical Details of CVE-2017-16253

The technical aspects of the vulnerability are crucial to understanding its implications.

Vulnerability Description

Exploitable buffer overflow in the PubNub message handler of Insteon Hub 2245-222 - Firmware version 1012
Triggered by sending carefully crafted commands through the PubNub service
Stack-based buffer overflow leading to arbitrary data overwriting

Affected Systems and Versions

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

Exploitation Mechanism

Authenticated HTTP request triggers the vulnerability
Value of the id key copied to a buffer, causing buffer overflow

Mitigation and Prevention

Protecting systems from CVE-2017-16253 requires immediate actions and long-term security measures.

Immediate Steps to Take

Apply vendor-supplied patches or updates promptly
Implement network segmentation to limit exposure
Monitor network traffic for any suspicious activities

Long-Term Security Practices

Regularly update firmware and software to patch known vulnerabilities
Conduct security assessments and penetration testing to identify weaknesses

Patching and Updates

Stay informed about security advisories from the vendor
Apply security patches as soon as they are released to mitigate risks