CVE-2017-2831 Explained : Impact and Mitigation
Learn about CVE-2017-2831 affecting Foscam's Indoor IP Camera C1 Series. Discover the impact, technical details, and mitigation steps for this critical buffer overflow vulnerability.
Foscam's Indoor IP Camera C1 Series, running application firmware 2.52.2.37, is vulnerable to a buffer overflow in its web management interface, allowing attackers to overwrite data.
Understanding CVE-2017-2831
The vulnerability was made public on June 21, 2017, with a critical severity rating.
What is CVE-2017-2831?
The Foscam C1 Indoor HD Camera, with firmware 2.52.2.37, has a web management interface vulnerability that enables attackers to perform a buffer overflow attack via crafted HTTP requests.
The Impact of CVE-2017-2831
- CVSS Base Score: 9.1 (Critical)
- Attack Vector: Network
- Attack Complexity: Low
- Integrity Impact: High
- Availability Impact: High
Technical Details of CVE-2017-2831
The following technical details provide insight into the vulnerability.
Vulnerability Description
An exploitable buffer overflow vulnerability in the web management interface of the Foscam C1 Indoor HD Camera allows attackers to overwrite arbitrary data by sending specially crafted HTTP requests.
Affected Systems and Versions
- Affected Product: Indoor IP Camera C1 Series
- Vendor: Foscam
- Affected Version: Not Applicable
Exploitation Mechanism
The vulnerability can be exploited by sending a specifically crafted HTTP request to the device, triggering the buffer overflow.
Mitigation and Prevention
Protect your systems from CVE-2017-2831 with the following measures.
Immediate Steps to Take
- Update the camera firmware to the latest version provided by Foscam.
- Restrict network access to the camera to trusted sources only.
- Monitor network traffic for any suspicious activity targeting the camera.
Long-Term Security Practices
- Regularly update all devices on your network to patch known vulnerabilities.
- Implement network segmentation to isolate critical devices like cameras from general network traffic.
- Conduct regular security audits and penetration testing to identify and address potential vulnerabilities.
Patching and Updates
- Stay informed about security updates released by Foscam for the Indoor IP Camera C1 Series.
- Apply patches promptly to ensure your devices are protected against known vulnerabilities.