CVE-2017-16304 : Exploit Details and Defense Strategies

CVE-2017-16304 is a vulnerability affecting Insteon Hub firmware version 1012, leading to buffer overflow exploits in the PubNub message handler. This vulnerability allows attackers to overwrite arbitrary data through crafted commands.

Understanding CVE-2017-16304

What is CVE-2017-16304?

The vulnerability in Insteon Hub firmware version 1012 allows for multiple buffer overflow exploits in the PubNub message handler, specifically in the "cc" channel. Attackers can trigger a stack-based buffer overflow by sending authenticated HTTP requests with crafted commands.

The Impact of CVE-2017-16304

The impact of this vulnerability is rated as HIGH, with a CVSS base score of 8.5. It can result in a compromise of confidentiality, integrity, and availability of the affected system.

Technical Details of CVE-2017-16304

Vulnerability Description

The vulnerability arises from a stack-based buffer overflow in the PubNub message handler of Insteon Hub firmware version 1012. Crafted commands can lead to overwriting arbitrary data, posing a significant security risk.

Affected Systems and Versions

Vendor: Insteon
Product: Hub
Affected Version: Not specified

Exploitation Mechanism

Attack Vector: Network
Attack Complexity: High
Privileges Required: Low
User Interaction: None
Scope: Changed
Confidentiality Impact: High
Integrity Impact: High
Availability Impact: High

Mitigation and Prevention

Immediate Steps to Take

Update the Insteon Hub firmware to the latest version to patch the vulnerability.
Restrict network access to the PubNub service to trusted entities only.

Long-Term Security Practices

Regularly monitor and update firmware and security patches for all IoT devices.
Implement network segmentation to isolate critical devices from potential attacks.

Patching and Updates

Apply security patches and updates provided by Insteon promptly to mitigate the vulnerability.