CVE-2017-16280 : What You Need to Know

CVE-2017-16280 is a vulnerability affecting Insteon Hub firmware version 1012, leading to buffer overflow issues in the PubNub message handler. Attackers can exploit this to overwrite data through authenticated HTTP requests.

Understanding CVE-2017-16280

What is CVE-2017-16280?

The vulnerability in Insteon Hub firmware version 1012 allows attackers to trigger buffer overflows by sending crafted commands through the PubNub service, potentially leading to arbitrary data overwriting.

The Impact of CVE-2017-16280

The vulnerability has a CVSS base score of 8.5, indicating a high severity level. It can result in significant confidentiality, integrity, and availability impacts on affected systems.

Technical Details of CVE-2017-16280

Vulnerability Description

The issue arises from a stack-based buffer overflow in the PubNub message handler for the "cc" channel in Insteon Hub firmware version 1012.

Affected Systems and Versions

Vendor: Insteon
Product: Hub
Versions Affected: Not specified

Exploitation Mechanism

Attackers exploit the vulnerability by sending carefully crafted commands through the PubNub service, triggering a stack-based buffer overflow.
The overflow occurs in the cmd s_net function at address 0x9d0181ec, where data is copied to a buffer, potentially leading to arbitrary data overwriting.

Mitigation and Prevention

Immediate Steps to Take

Update the Insteon Hub firmware to a patched version that addresses the buffer overflow vulnerability.
Implement network segmentation to limit the impact of potential attacks targeting the PubNub service.

Long-Term Security Practices

Regularly monitor and update firmware and software to mitigate potential vulnerabilities.
Conduct security assessments and penetration testing to identify and address any security weaknesses.

Patching and Updates

Stay informed about security advisories from Insteon and apply patches promptly to ensure system security.