CVE-2017-16252 : Vulnerability Insights and Analysis

A stack-based buffer overflow vulnerability exists in Insteon Hub 2245-222 with firmware version 1012, allowing arbitrary data to be overwritten when specially crafted commands are sent through the PubNub service.

Understanding CVE-2017-16252

This CVE involves a critical buffer overflow issue in a specific version of the Insteon Hub.

What is CVE-2017-16252?

A stack-based buffer overflow occurs in Insteon Hub 2245-222 with firmware version 1012 when specific commands are sent through PubNub.
An attacker can exploit this by sending authenticated HTTP requests to trigger the vulnerability.

The Impact of CVE-2017-16252

CVSS Score: 8.5 (High)
Attack Vector: Network
Attack Complexity: High
Privileges Required: Low
Scope: Changed
Confidentiality, Integrity, and Availability Impact: High

Technical Details of CVE-2017-16252

This section delves into the technical aspects of the vulnerability.

Vulnerability Description

The vulnerability is a stack-based buffer overflow in Insteon Hub 2245-222 with firmware version 1012.
It occurs when specially crafted commands are sent through the PubNub service.

Affected Systems and Versions

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

Exploitation Mechanism

An attacker needs to send authenticated HTTP requests to trigger the vulnerability.
The buffer overflow occurs when the value for the cmd key is copied to a buffer that is too small to accommodate it.

Mitigation and Prevention

Protecting systems from this vulnerability is crucial for maintaining security.

Immediate Steps to Take

Update the firmware of Insteon Hub to a patched version that addresses the buffer overflow.
Monitor network traffic for any suspicious activities that could indicate an ongoing attack.

Long-Term Security Practices

Implement network segmentation to limit the impact of potential attacks.
Regularly review and update security policies and procedures to address emerging threats.

Patching and Updates

Stay informed about security updates released by Talos for the Insteon Hub.
Apply patches promptly to ensure that known vulnerabilities are mitigated.