CVE-2017-16278 : Security Advisory and Response

CVE-2017-16278 involves buffer overflow vulnerabilities in Insteon Hub firmware version 1012, allowing attackers to overwrite data through specially crafted commands.

Understanding CVE-2017-16278

This CVE identifies exploitable buffer overflow vulnerabilities in the message handler for the 'cc' channel of Insteon Hub firmware version 1012.

What is CVE-2017-16278?

The vulnerability allows attackers to trigger a stack-based buffer overflow by sending crafted commands through the PubNub service, potentially leading to arbitrary data overwriting.

The Impact of CVE-2017-16278

The vulnerability has a CVSS base score of 8.5, indicating a high severity level with significant impacts on confidentiality, integrity, and availability.

Technical Details of CVE-2017-16278

Vulnerability Description

Buffer overflow in the 'cc' channel message handler of Insteon Hub firmware version 1012
Triggered by sending specially crafted commands through PubNub service
Overwrites arbitrary data

Affected Systems and Versions

Vendor: Insteon
Product: Hub
Affected Version: Not specified

Exploitation Mechanism

Attacker sends authenticated HTTP request with crafted commands
Vulnerability triggered in the cmd s_net function at address 0x9d01815c
Buffer overflow occurs when copying the 'ip' key value to a 100-byte buffer

Mitigation and Prevention

Immediate Steps to Take

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

Long-Term Security Practices

Regular security assessments and audits
Implement secure coding practices
Educate users and administrators on secure practices

Patching and Updates

Check vendor's security advisories regularly
Implement a robust patch management process