CVE-2017-7923 : Security Advisory and Response
Learn about CVE-2017-7923 affecting Hikvision Cameras, allowing unauthorized access to sensitive data. Find mitigation steps and updates to secure your devices.
A security flaw related to password storage in the configuration files has been identified in Hikvision Cameras, potentially allowing unauthorized access to sensitive information.
Understanding CVE-2017-7923
What is CVE-2017-7923?
A vulnerability in Hikvision Cameras could enable malicious actors to gain unauthorized privileges, impersonate users, and access sensitive data by exploiting a password storage issue in the configuration files.
The Impact of CVE-2017-7923
Exploiting this vulnerability could lead to unauthorized access, privilege escalation, and potential exposure of sensitive information.
Technical Details of CVE-2017-7923
Vulnerability Description
The vulnerability involves a password in configuration file issue affecting various Hikvision camera series, including specific versions that are susceptible to unauthorized access.
Affected Systems and Versions
- DS-2CD2xx2F-I Series: V5.2.0 build 140721 to V5.4.0 build 160530
- DS-2CD2xx0F-I Series: V5.2.0 build 140721 to V5.4.0 Build 160401
- DS-2CD2xx2FWD Series: V5.3.1 build 150410 to V5.4.4 Build 161125
- DS-2CD4x2xFWD Series: V5.2.0 build 140721 to V5.4.0 Build 160414
- DS-2CD4xx5 Series: V5.2.0 build 140721 to V5.4.0 Build 160421
- DS-2DFx Series: V5.2.0 build 140805 to V5.4.5 Build 160928
- DS-2CD63xx Series: V5.0.9 build 140305 to V5.3.5 Build 160106
Exploitation Mechanism
The vulnerability allows malicious users to exploit password storage in configuration files to gain unauthorized privileges, impersonate users, and access sensitive information.
Mitigation and Prevention
Immediate Steps to Take
- Update Hikvision Cameras to non-vulnerable versions immediately.
- Change default passwords and ensure strong, unique passwords are used.
- Monitor and restrict access to the cameras to authorized personnel only.
Long-Term Security Practices
- Regularly update firmware and software to patch known vulnerabilities.
- Conduct security audits and penetration testing to identify and address security weaknesses.
Patching and Updates
Apply security patches provided by Hikvision to address the password in configuration file vulnerability.