CVE-2017-2857 : Vulnerability Insights and Analysis
Learn about CVE-2017-2857, a high-severity buffer overflow vulnerability in the Foscam C1 Indoor HD Camera's DDNS client, allowing attackers to gain complete control over the device. Find mitigation steps and preventive measures here.
A vulnerability has been identified in the DDNS client utilized by the Foscam C1 Indoor HD Camera, allowing attackers to exploit a buffer overflow and potentially gain complete control over the device.
Understanding CVE-2017-2857
This CVE involves a high-severity buffer overflow vulnerability in the Foscam C1 Indoor HD Camera's DDNS client.
What is CVE-2017-2857?
The vulnerability in the DDNS client of the Foscam C1 Indoor HD Camera, version 2.52.2.43, can be exploited through a buffer overflow, enabling attackers to take control of the device.
The Impact of CVE-2017-2857
- CVSS Base Score: 8.1 (High)
- Attack Vector: Network
- Attack Complexity: High
- Confidentiality, Integrity, and Availability Impact: High
- Privileges Required: None
- Scope: Unchanged
- This vulnerability allows attackers to intercept HTTP connections and establish malicious control over the device.
Technical Details of CVE-2017-2857
This section provides detailed technical information about the CVE.
Vulnerability Description
- The vulnerability exists in the DDNS client of the Foscam C1 Indoor HD Camera.
- Exploitation can lead to a buffer overflow, enabling attackers to compromise the device.
Affected Systems and Versions
- Affected Product: Foscam Indoor IP Camera C1 Series
- Vendor: Foscam
- Affected Version: System Firmware Version: 1.9.3.18, Application Firmware Version: 2.52.2.43, Plug-In Version: 3.3.0.26
Exploitation Mechanism
- Attackers with the ability to intercept HTTP connections can exploit the buffer overflow to gain complete control over the device.
Mitigation and Prevention
Protecting against and mitigating the impact of CVE-2017-2857.
Immediate Steps to Take
- Disable DDNS if not essential for device functionality.
- Regularly update firmware to patch known vulnerabilities.
- Monitor network traffic for any suspicious activity.
Long-Term Security Practices
- Implement network segmentation to limit the attack surface.
- Use strong, unique passwords for device access.
Patching and Updates
- Apply security patches provided by Foscam promptly to address the vulnerability.