CVE-2017-16308 : Security Advisory and Response

CVE-2017-16308 is a vulnerability found in the PubNub message handler for the "cc" channel of Insteon Hub, specifically in firmware version 1012. This vulnerability can lead to a stack-based buffer overflow when crafted commands are sent through the PubNub service.

Understanding CVE-2017-16308

This section provides an overview of the CVE-2017-16308 vulnerability.

What is CVE-2017-16308?

CVE-2017-16308 involves vulnerable buffer overflow exploits in the PubNub message handler for the "cc" channel of Insteon Hub, affecting firmware version 1012. An attacker can trigger a stack-based buffer overflow by sending specific commands through the PubNub service.

The Impact of CVE-2017-16308

The vulnerability can allow an attacker to overwrite arbitrary data by exploiting the stack-based buffer overflow. This can lead to unauthorized access and potential manipulation of the affected system.

Technical Details of CVE-2017-16308

This section delves into the technical aspects of CVE-2017-16308.

Vulnerability Description

The vulnerability arises from a buffer overflow in the PubNub message handler for the "cc" channel of Insteon Hub, firmware version 1012. Crafted commands can trigger a stack-based buffer overflow, potentially leading to arbitrary data overwriting.

Affected Systems and Versions

Vendor: Insteon
Product: Hub
Affected Version: Not specified

Exploitation Mechanism

Attacker sends specifically crafted commands through the PubNub service
Authenticated HTTP request required
Buffer overflow occurs in the cmd sn_exw at memory address 0x9d01b374
Buffer overflow caused by copying value associated with the

cmd2

key to a limited buffer size of 32 bytes

Mitigation and Prevention

Learn how to mitigate and prevent CVE-2017-16308.

Immediate Steps to Take

Update Insteon Hub firmware to a non-vulnerable version
Implement network segmentation to limit access to vulnerable devices
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
Educate users on secure practices and awareness of social engineering tactics

Patching and Updates

Apply patches provided by Insteon for the affected firmware version
Stay informed about security updates and advisories from trusted sources