CVE-2017-16315 : What You Need to Know

CVE-2017-16315 is a vulnerability affecting Insteon Hub with firmware version 1012, leading to buffer overflow vulnerabilities in the PubNub message handler. Attackers can exploit this issue by sending specially crafted commands through the PubNub service, resulting in a stack-based buffer overflow.

Understanding CVE-2017-16315

This CVE involves buffer overflow vulnerabilities in the Insteon Hub's PubNub message handler, potentially allowing attackers to execute arbitrary code.

What is CVE-2017-16315?

The vulnerability in the Insteon Hub firmware version 1012 allows attackers to trigger a stack-based buffer overflow by sending crafted commands through the PubNub service.

The Impact of CVE-2017-16315

The impact of this vulnerability is rated as HIGH, with a CVSS base score of 8.5. It can lead to unauthorized code execution and compromise the confidentiality, integrity, and availability of the affected system.

Technical Details of CVE-2017-16315

This section provides more technical insights into the vulnerability.

Vulnerability Description

The vulnerability arises from buffer overflow issues in the PubNub message handler of Insteon Hub firmware version 1012, specifically in the "cc" channel.

Affected Systems and Versions

Vendor: Insteon
Product: Hub
Firmware Version: 1012

Exploitation Mechanism

Attackers exploit the vulnerability by sending specially crafted commands through the PubNub service, triggering a stack-based buffer overflow.
The overflow occurs in the "cmd s_sonos" function, allowing attackers to overwrite arbitrary data.

Mitigation and Prevention

Protecting systems from CVE-2017-16315 requires immediate actions and long-term security practices.

Immediate Steps to Take

Update the Insteon Hub firmware to a patched version that addresses the buffer overflow vulnerabilities.
Monitor network traffic for any suspicious activities targeting the PubNub service.

Long-Term Security Practices

Implement network segmentation to limit the impact of potential attacks.
Regularly review and update security configurations to prevent similar vulnerabilities.

Patching and Updates

Stay informed about security updates from Insteon and apply patches promptly to mitigate the risk of exploitation.