CVE-2017-16316 Explained : Impact and Mitigation

CVE-2017-16316 is a vulnerability affecting Insteon Hub, allowing attackers to trigger a stack-based buffer overflow by exploiting the PubNub message handler.

Understanding CVE-2017-16316

This CVE involves buffer overflow vulnerabilities in the Insteon Hub's PubNub message handler, potentially leading to arbitrary data overwriting.

What is CVE-2017-16316?

The vulnerability in the Insteon Hub's firmware version 1012 allows attackers to exploit buffer overflows by sending crafted commands through the PubNub service.

The Impact of CVE-2017-16316

The vulnerability can be exploited by authenticated attackers to trigger a stack-based buffer overflow, potentially leading to arbitrary data manipulation.

Technical Details of CVE-2017-16316

The technical aspects of the CVE provide insights into the vulnerability's description, affected systems, and exploitation mechanism.

Vulnerability Description

The PubNub message handler for the "cc" channel of Insteon Hub running firmware version 1012 contains buffer overflow vulnerabilities.
Crafting specific commands and sending them through PubNub can trigger a stack-based buffer overflow.

Affected Systems and Versions

Vendor: Insteon
Product: Hub
Affected Version: Not specified

Exploitation Mechanism

Attacker needs to send an authenticated HTTP request to exploit the vulnerability.
In the "cmd s_sonos" function at memory address 0x9d01c898, a buffer overflow occurs by copying data to a buffer of limited size.

Mitigation and Prevention

Protecting systems from CVE-2017-16316 involves immediate steps and long-term security practices.

Immediate Steps to Take

Apply vendor patches and updates promptly.
Monitor network traffic for any suspicious activities.
Restrict access to vulnerable systems.

Long-Term Security Practices

Regularly update firmware and software to patch known vulnerabilities.
Conduct security assessments and penetration testing to identify and address weaknesses.

Patching and Updates

Stay informed about security advisories and updates from Insteon.
Implement a robust patch management process to ensure timely application of fixes.