CVE-2019-18340 in SiNVR 3 Central Control Server
Summary
by MITRE
A vulnerability has been identified in SiNVR 3 Central Control Server (CCS) (all versions), SiNVR 3 Video Server (all versions). Both the SiNVR 3 Video Server and the Central Control Server (CCS) store user and device passwords by applying weak cryptography. A local attacker could exploit this vulnerability to extract the passwords from the user database and/or the device configuration files to conduct further attacks.
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Analysis
by VulDB Data Team • 03/11/2024
This vulnerability affects SiNVR 3 Central Control Server and Video Server products where passwords are stored using weak cryptographic methods. The implementation fails to employ proper password hashing or encryption techniques, creating a significant security weakness that exposes sensitive authentication credentials. The flaw exists in the database storage mechanisms that handle user authentication information and device configuration data, making it possible for attackers to extract credentials without requiring advanced exploitation techniques.
The technical implementation of password storage represents a critical failure in security design principles. Weak cryptography typically involves the use of outdated or insufficient hashing algorithms such as md5 or sha1 without proper salting mechanisms, or even plain text storage of passwords. This vulnerability directly maps to CWE-312 (CWE-312: Cleartext Storage of Sensitive Information) and CWE-326 (CWE-326: Inadequate Encryption Strength) categories, which address the improper handling of sensitive data at rest. The lack of proper cryptographic protection means that any local attacker with access to the system files can directly read password hashes or plain text credentials from the database files or configuration stores.
The operational impact of this vulnerability extends beyond simple credential theft, as it enables attackers to gain unauthorized access to the entire surveillance system infrastructure. Once credentials are extracted, attackers can manipulate device configurations, access live and recorded video feeds, modify user permissions, and potentially disrupt system operations. This vulnerability aligns with ATT&CK technique T1078 (Valid Accounts) and T1566 (Phishing) as attackers can leverage stolen credentials to move laterally within the network and maintain persistent access to the video surveillance environment. The local attacker requirement reduces the complexity of exploitation compared to remote attacks, making this vulnerability particularly dangerous in environments where physical access to the servers is possible.
Mitigation strategies should focus on immediate remediation through proper password hashing implementations using strong algorithms such as bcrypt, scrypt, or PBKDF2 with appropriate salt values. System administrators must implement proper access controls and audit mechanisms to detect unauthorized access attempts. Regular security assessments should include vulnerability scanning for weak cryptographic implementations. The recommended approach involves replacing the current password storage mechanism with industry-standard secure hashing practices, ensuring that passwords are never stored in plain text format. Additionally, implementing network segmentation and access controls can limit the attack surface and reduce the impact of credential exposure, while maintaining proper logging and monitoring of database access activities to detect potential unauthorized access attempts.