CVE-2017-16294 : Exploit Details and Defense Strategies
Learn about CVE-2017-16294, a high-severity vulnerability in Insteon Hub firmware allowing attackers to trigger buffer overflows. Find mitigation steps and long-term security practices here.
CVE-2017-16294 involves buffer overflow vulnerabilities in the PubNub message handler for the "cc" channel of Insteon Hub firmware version 1012. Attackers can exploit this to trigger a stack-based buffer overflow, potentially leading to arbitrary data overwrite.
Understanding CVE-2017-16294
What is CVE-2017-16294?
The vulnerability allows attackers to exploit buffer overflow issues in Insteon Hub firmware, potentially leading to arbitrary data overwrite.
The Impact of CVE-2017-16294
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-2017-16294
Vulnerability Description
- Crafted commands through PubNub service can trigger a stack-based buffer overflow in the Insteon Hub firmware.
- The vulnerability lies in the cmd s_schd function, allowing attackers to overwrite data.
Affected Systems and Versions
- Vendor: Insteon
- Product: Hub
- Affected Version: 1012
Exploitation Mechanism
- Attackers send authenticated HTTP requests with specific commands to exploit the buffer overflow.
Mitigation and Prevention
Immediate Steps to Take
- Update the Insteon Hub firmware to a patched version.
- Implement network segmentation to limit access to vulnerable systems.
Long-Term Security Practices
- Regularly monitor and update firmware to address security vulnerabilities.
- Conduct security assessments and penetration testing to identify and mitigate potential risks.
Patching and Updates
- Apply security patches provided by Insteon promptly to address the vulnerability.