CVE-2017-16306 Explained : Impact and Mitigation

CVE-2017-16306, assigned by Talos, involves buffer overflow vulnerabilities in Insteon Hub's PubNub message handler.

Understanding CVE-2017-16306

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

What is CVE-2017-16306?

The PubNub message handler for the "cc" channel of Insteon Hub, with firmware version 1012, contains buffer overflow vulnerabilities exploitable by sending crafted commands through PubNub service.

The Impact of CVE-2017-16306

Attackers can trigger a stack-based buffer overflow and overwrite arbitrary data by exploiting this vulnerability.
Requires sending authenticated HTTP requests to execute the attack.

Technical Details of CVE-2017-16306

Vulnerability Description

In the "cmd sn_exw" function, a buffer overflow occurs due to copying data to a buffer with a size limit, leading to potential data corruption.

Affected Systems and Versions

Vendor: Insteon
Product: Hub
Affected Version: Not specified

Exploitation Mechanism

Crafted commands through PubNub service trigger stack-based buffer overflow, allowing attackers to overwrite data.

Mitigation and Prevention

Immediate Steps to Take

Apply vendor patches or updates to address the buffer overflow vulnerabilities.
Monitor network traffic for any suspicious activities targeting the Insteon Hub.

Long-Term Security Practices

Regularly update firmware and software to mitigate potential vulnerabilities.
Implement network segmentation to limit the impact of successful attacks.

Patching and Updates

Stay informed about security advisories from Insteon and apply patches promptly to secure the Hub.