CVE-2017-3223 : Security Advisory and Response
Learn about CVE-2017-3223 affecting Dahua IP camera products with firmware versions prior to V2.400.0000.14.R.20170713, allowing remote code execution. Find mitigation steps and firmware update details.
Dahua IP camera products using firmware versions prior to V2.400.0000.14.R.20170713 are vulnerable to a stack buffer overflow in the Sonia web interface.
Understanding CVE-2017-3223
This CVE involves a security vulnerability in Dahua IP camera products that could allow remote attackers to execute arbitrary code.
What is CVE-2017-3223?
The vulnerability exists in the Sonia web interface of Dahua IP cameras due to improper validation of input data length for the 'password' field, potentially leading to a stack buffer overflow.
The Impact of CVE-2017-3223
Exploitation of this vulnerability could result in out-of-bounds memory operations, causing a loss of availability or enabling remote code execution on the affected IP cameras.
Technical Details of CVE-2017-3223
Dahua IP camera products using firmware versions prior to V2.400.0000.14.R.20170713 are affected by this vulnerability.
Vulnerability Description
The vulnerability arises from the lack of proper validation of input data length for the 'password' field in the Sonia web interface of the IP cameras.
Affected Systems and Versions
- Product: IP Camera
- Vendor: Dahua
- Vulnerable Version: DH_IPC-Consumer-Zi-Themis_Eng_P_V2.408.0000.11.R.20170621
Exploitation Mechanism
- Remote, unauthenticated attackers can exploit this issue by submitting a carefully crafted POST request to the Sonia web interface of the IP camera.
Mitigation and Prevention
It is crucial to take immediate steps to address and prevent the exploitation of this vulnerability.
Immediate Steps to Take
- Update the firmware to version DH_IPC-ACK-Themis_Eng_P_V2.400.0000.14.R.20170713 to mitigate the vulnerability.
Long-Term Security Practices
- Regularly update firmware and software to patch known vulnerabilities.
- Implement network segmentation and access controls to limit exposure to potential attacks.
Patching and Updates
- Dahua has released firmware version DH_IPC-ACK-Themis_Eng_P_V2.400.0000.14.R.20170713 to address the stack buffer overflow vulnerability.