CVE-2017-2854 : Exploit Details and Defense Strategies
Learn about CVE-2017-2854, a critical vulnerability in Foscam Indoor IP Camera C1 Series, allowing attackers to compromise devices through a buffer overflow attack. Find mitigation steps and preventive measures.
A vulnerability in the DDNS client used by the Foscam C1 Indoor HD Camera can lead to a complete compromise of the device through a buffer overflow attack.
Understanding CVE-2017-2854
This CVE involves a critical vulnerability in the Foscam Indoor IP Camera C1 Series that allows attackers to exploit the DDNS client, potentially compromising the device.
What is CVE-2017-2854?
The vulnerability in the DDNS client of the Foscam C1 Indoor HD Camera, with specific application firmware version 2.52.2.43, enables attackers to perform a buffer overflow attack, leading to device compromise.
The Impact of CVE-2017-2854
- CVSS Base Score: 8.1 (High)
- Attack Vector: Network
- Attack Complexity: High
- Privileges Required: None
- Confidentiality, Integrity, and Availability Impact: High
Technical Details of CVE-2017-2854
The technical aspects of the vulnerability provide insights into its nature and potential exploitation.
Vulnerability Description
The vulnerability arises from a buffer overflow in the DDNS client of the Foscam C1 Indoor HD Camera, allowing 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 can exploit the vulnerability by intercepting HTTP connections and setting up a malicious HTTP server to compromise devices with DDNS enabled.
Mitigation and Prevention
Protecting systems from CVE-2017-2854 requires immediate actions and long-term security practices.
Immediate Steps to Take
- Disable DDNS if not essential for operations
- Implement network segmentation to limit exposure
- Monitor network traffic for suspicious activities
Long-Term Security Practices
- Regularly update firmware and software patches
- Conduct security assessments and penetration testing
- Educate users on safe online practices
Patching and Updates
- Apply patches provided by Foscam to address the vulnerability
- Stay informed about security updates and advisories from the vendor