CVE-2017-16347 : Vulnerability Insights and Analysis
Discover the details of CVE-2017-16347, a high-severity vulnerability in Insteon Hub firmware version 1012 leading to a buffer overflow. Learn about impacts, affected systems, exploitation, and mitigation steps.
This CVE-2017-16347 article provides insights into a vulnerability affecting Insteon Hub firmware version 1012, leading to a buffer overflow.
Understanding CVE-2017-16347
This CVE involves a buffer overflow vulnerability in the Insteon Hub running firmware version 1012.
What is CVE-2017-16347?
CVE-2017-16347 is a high-severity vulnerability in the Insteon Hub firmware version 1012 that allows an attacker to trigger a buffer overflow by sending an authenticated HTTP request.
The Impact of CVE-2017-16347
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-2017-16347
This section delves into the technical aspects of the CVE.
Vulnerability Description
- Attacker exploits the vulnerability by copying the s_vol key value to a buffer using the strcpy function, causing a buffer overflow.
- Buffer overflow occurs due to the buffer's maximum size of 12 bytes, leading to potential memory corruption.
Affected Systems and Versions
- Product: Insteon
- Vendor: Insteon
- Affected Version: Insteon Hub 2245-222 - Firmware version 1012
Exploitation Mechanism
- Attacker sends an authenticated HTTP request to trigger the vulnerability.
- Copies the s_vol key value to a buffer, potentially causing a buffer overflow.
Mitigation and Prevention
Learn how to mitigate and prevent the exploitation of CVE-2017-16347.
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.
Long-Term Security Practices
- Regularly monitor and update firmware to protect against known vulnerabilities.
- Conduct security assessments and penetration testing to identify and address potential weaknesses.
Patching and Updates
- Stay informed about security advisories and patches released by Insteon.
- Apply patches promptly to ensure the security of the Insteon Hub.