CVE-2017-16344 : Exploit Details and Defense Strategies

In June 2018, a vulnerability was disclosed in Insteon Hub firmware version 1012, identified as CVE-2017-16344.

Understanding CVE-2017-16344

This CVE involves a buffer overflow vulnerability in the Insteon Hub firmware version 1012, allowing an attacker to exploit it through an authenticated HTTP request.

What is CVE-2017-16344?

The vulnerability in Insteon Hub firmware version 1012 enables attackers to trigger a buffer overflow by manipulating specific parameters in the HTTP request.

The Impact of CVE-2017-16344

The CVSS score for this vulnerability is 8.5, indicating a high severity level due to its potential impact on confidentiality, integrity, and availability of affected systems.

Technical Details of CVE-2017-16344

This section provides more in-depth technical insights into the vulnerability.

Vulnerability Description

The vulnerability arises from a buffer overflow in the Insteon Hub firmware version 1012, triggered by copying a value to a buffer with a size limit, leading to potential memory corruption.

Affected Systems and Versions

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

Exploitation Mechanism

Attacker sends an authenticated HTTP request
Manipulates the s_url key value to trigger buffer overflow
Buffer at address 0xa0001a0c has a size limit of 16 bytes
Manipulation through the sn_speaker parameter can alter the destination

Mitigation and Prevention

Protecting systems from CVE-2017-16344 requires immediate actions and long-term security practices.

Immediate Steps to Take

Apply security patches provided by Insteon promptly
Monitor network traffic for any suspicious activities
Restrict access to the Insteon Hub to authorized personnel only

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 Insteon
Implement a robust patch management process to apply updates in a timely manner