CVE-2017-16268 : Security Advisory and Response

CVE-2017-16268 is a published vulnerability affecting Insteon Hub, allowing attackers to exploit buffer overflow vulnerabilities in the PubNub message handler.

Understanding CVE-2017-16268

This CVE involves buffer overflow vulnerabilities in the PubNub message handler for the "cc" channel of Insteon Hub.

What is CVE-2017-16268?

The vulnerability allows attackers to override arbitrary data through a stack-based buffer overflow by crafting specific commands and sending them through the PubNub service.

The Impact of CVE-2017-16268

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-2017-16268

This section provides detailed technical information about the vulnerability.

Vulnerability Description

The vulnerability involves buffer overflow in the PubNub message handler for the "cc" channel of Insteon Hub.
Attackers can exploit this by sending authenticated HTTP requests with crafted commands.

Affected Systems and Versions

Vendor: Insteon
Product: Hub
Affected Version: Firmware version 1012

Exploitation Mechanism

Attackers exploit the vulnerability by sending specific commands through the PubNub service, triggering a stack-based buffer overflow.
The overflow occurs in the

s_b

command at memory address 0x9d0165c0.

Mitigation and Prevention

Protecting systems from CVE-2017-16268 requires immediate actions and long-term security practices.

Immediate Steps to Take

Update Insteon Hub firmware to the latest version.
Monitor network traffic for any suspicious activities.

Long-Term Security Practices

Implement strong authentication mechanisms.
Regularly conduct security assessments and penetration testing.

Patching and Updates

Apply security patches provided by Insteon promptly.