CVE-2017-16320 : What You Need to Know

CVE-2017-16320, assigned by Talos, pertains to buffer overflow vulnerabilities in the Insteon Hub's firmware version 1012.

Understanding CVE-2017-16320

This CVE involves stack-based buffer overflow vulnerabilities in the Insteon Hub's PubNub service message handler.

What is CVE-2017-16320?

The Insteon Hub, with firmware version 1012, is susceptible to buffer overflow attacks in the PubNub service's message handler for the "cc" channel.

The Impact of CVE-2017-16320

The vulnerabilities allow attackers to execute arbitrary code by sending specially crafted commands, potentially compromising the device's integrity, confidentiality, and availability.

Technical Details of CVE-2017-16320

This section provides detailed technical insights into the vulnerability.

Vulnerability Description

The buffer overflow occurs in the cmd s_sonos function at memory address 0x9d01ddd4, triggered by copying the value of the

s_sonos_cmd

key to a buffer with a size of 32 bytes.

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
Base Score: 8.5 (High)

Mitigation and Prevention

Protecting systems from CVE-2017-16320 requires immediate actions and long-term security practices.

Immediate Steps to Take

Update the Insteon Hub firmware to the latest version.
Implement network segmentation to limit exposure.
Monitor network traffic for suspicious activities.

Long-Term Security Practices

Regularly update firmware and security patches.
Conduct security assessments and penetration testing.

Patching and Updates

Stay informed about security advisories from Insteon.
Apply patches promptly to address known vulnerabilities.