CVE-2017-16267 : Vulnerability Insights and Analysis

CVE-2017-16267 involves multiple vulnerabilities in the PubNub message handler of Insteon Hub firmware version 1012, leading to a stack-based buffer overflow. Attackers can exploit this by sending specially crafted commands through the 'cc' channel of the PubNub service.

Understanding CVE-2017-16267

This CVE entry details a critical vulnerability in the Insteon Hub firmware that allows for a stack-based buffer overflow, potentially leading to arbitrary data overwriting.

What is CVE-2017-16267?

The vulnerability in the Insteon Hub firmware version 1012 allows attackers to trigger a stack-based buffer overflow by sending crafted commands through the 'cc' channel of the PubNub service. This overflow can lead to the overwriting of arbitrary data, posing a significant security risk.

The Impact of CVE-2017-16267

The exploitation of this vulnerability can result in a high impact on confidentiality, integrity, and availability of the affected system. Attackers can execute arbitrary code and potentially take control of the device.

Technical Details of CVE-2017-16267

This section provides more in-depth technical insights into the vulnerability.

Vulnerability Description

The vulnerability arises from a stack-based buffer overflow in the PubNub message handler of Insteon Hub firmware version 1012. By sending specially crafted commands through the 'cc' channel, attackers can trigger the overflow, leading to arbitrary data overwriting.

Affected Systems and Versions

Vendor: Insteon
Product: Hub
Affected Version: Not specified

Exploitation Mechanism

Attack Vector: Network
Attack Complexity: High
Privileges Required: Low
User Interaction: None
Scope: Changed
Confidentiality Impact: High
Integrity Impact: High
Availability Impact: High
Base Score: 8.5 (High)
Base Severity: High

Mitigation and Prevention

To address CVE-2017-16267, immediate steps and long-term security practices are crucial.

Immediate Steps to Take

Apply vendor patches or updates promptly.
Restrict network access to vulnerable systems.
Monitor network traffic for signs of exploitation.

Long-Term Security Practices

Regularly update firmware and software to patch known vulnerabilities.
Implement network segmentation to limit the impact of potential attacks.
Conduct regular security assessments and penetration testing.

Patching and Updates

Stay informed about security advisories from the vendor.
Apply patches and updates as soon as they are available to mitigate the risk of exploitation.