CVE-2017-16333 : Security Advisory and Response

CVE-2017-16333, assigned by Talos, involves buffer overflow vulnerabilities in the PubNub message handler for the "cc" channel of Insteon Hub firmware version 1012.

Understanding CVE-2017-16333

This CVE identifies critical buffer overflow vulnerabilities in Insteon Hub firmware version 1012.

What is CVE-2017-16333?

The vulnerability allows attackers to trigger a stack-based buffer overflow by sending specially crafted commands through the PubNub service.

The Impact of CVE-2017-16333

The vulnerability can lead to arbitrary data overwriting, posing a high risk to confidentiality, integrity, and availability.

Technical Details of CVE-2017-16333

The technical aspects of this CVE provide insight into the vulnerability's nature and potential risks.

Vulnerability Description

Exploitable buffer overflow in the PubNub message handler for the "cc" channel of Insteon Hub firmware version 1012.
Triggered by sending authenticated HTTP requests with crafted commands.

Affected Systems and Versions

Vendor: Insteon
Product: Hub
Affected Version: Not specified

Exploitation Mechanism

Attacker exploits the vulnerability by sending specially crafted commands through the PubNub service.
The buffer overflow occurs in the cmd s_event function at memory address 0x9d01ed7c.

Mitigation and Prevention

Protecting systems from CVE-2017-16333 requires immediate actions and long-term security measures.

Immediate Steps to Take

Update Insteon Hub firmware to a non-vulnerable version.
Implement network-level controls to restrict access to affected services.

Long-Term Security Practices

Regularly monitor and update firmware to address security vulnerabilities.
Conduct security assessments and penetration testing to identify and mitigate similar risks.

Patching and Updates

Apply patches and security updates provided by Insteon to fix the buffer overflow vulnerability.