CVE-2018-3880 : What You Need to Know
Learn about CVE-2018-3880, a high-severity stack-based buffer overflow vulnerability in Samsung SmartThings Hub STH-ETH-250 - Firmware version 0.20.17. Discover impact, affected systems, and mitigation steps.
Samsung SmartThings Hub STH-ETH-250 - Firmware version 0.20.17 has a stack-based buffer overflow vulnerability in its video-core's HTTP server.
Understanding CVE-2018-3880
This CVE involves a buffer overflow vulnerability in the 'find-by-cameraId' functionality of the video-core's HTTP server in Samsung SmartThings Hub STH-ETH-250.
What is CVE-2018-3880?
The vulnerability arises due to mishandling of existing records in the SQLite database by the video-core process, allowing an attacker to trigger a stack-based buffer overflow through an HTTP request.
The Impact of CVE-2018-3880
The vulnerability has a CVSS base score of 8.2, indicating a high severity level with significant impacts on confidentiality, integrity, and availability of the affected system.
Technical Details of CVE-2018-3880
The technical aspects of the CVE provide insights into the vulnerability's description, affected systems, and exploitation mechanism.
Vulnerability Description
- Stack-based buffer overflow in the 'find-by-cameraId' functionality of the video-core's HTTP server
- Occurs in Samsung SmartThings Hub STH-ETH-250 - Firmware version 0.20.17
Affected Systems and Versions
- Product: Samsung
- Vendor: Samsung
- Version: Samsung SmartThings Hub STH-ETH-250 - Firmware version 0.20.17
Exploitation Mechanism
- Attacker exploits the vulnerability by sending a crafted HTTP request
Mitigation and Prevention
Protecting systems from CVE-2018-3880 involves immediate steps and long-term security practices.
Immediate Steps to Take
- Apply security patches provided by Samsung promptly
- Implement network segmentation to limit the impact of potential attacks
- Monitor network traffic for any suspicious activities
Long-Term Security Practices
- Regularly update firmware and software to address security vulnerabilities
- Conduct security assessments and penetration testing to identify and mitigate potential risks
Patching and Updates
- Stay informed about security advisories from Samsung
- Apply firmware updates and security patches as soon as they are released