CVE-2022-45425 in DSS Professional
Summary
by MITRE • 12/27/2022
Some Dahua software products have a vulnerability of using of hard-coded cryptographic key. An attacker can obtain the AES crypto key by exploiting this vulnerability.
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Analysis
by VulDB Data Team • 04/14/2025
The vulnerability identified as CVE-2022-45425 represents a critical cryptographic weakness in certain Dahua software products that directly violates fundamental security principles outlined in industry standards such as CWE-327 and CWE-326. This flaw manifests through the improper implementation of encryption mechanisms where developers have embedded cryptographic keys directly into the software source code or configuration files, creating a persistent security risk that undermines the confidentiality and integrity assurances that cryptographic systems are designed to provide.
The technical implementation of this vulnerability involves the presence of hard-coded AES cryptographic keys within the affected Dahua software components, which can be extracted through various reverse engineering techniques and static code analysis methods. Attackers exploiting this weakness can directly access the cryptographic keys used for encrypting sensitive data, authentication tokens, and communication protocols, effectively nullifying the encryption protections that should safeguard these critical elements. This type of vulnerability falls under the ATT&CK technique T1552.004 for "Credentials in Files" and T1003.003 for "OS Credential Dumping" when considering the broader attack surface implications.
The operational impact of this vulnerability extends beyond simple data exposure, as compromised cryptographic keys can enable attackers to decrypt previously captured network traffic, forge authentication tokens, and potentially gain unauthorized access to networked devices and systems. The presence of such hard-coded keys within software products means that all instances of the affected software are vulnerable, creating a widespread security risk that affects multiple deployment scenarios. Organizations relying on Dahua security products may experience significant compromise of their network security posture, particularly in environments where these products are used for video surveillance, access control, and network monitoring functions.
Security mitigations for this vulnerability require immediate remediation through software updates provided by Dahua, which should include the removal of hard-coded cryptographic keys and implementation of proper key management practices. Organizations should conduct comprehensive inventory assessments to identify all affected systems and implement network segmentation to limit the potential attack surface. The remediation process should align with NIST SP 800-57 guidelines for cryptographic key management and incorporate principles from the OWASP Top Ten security framework, specifically addressing the improper use of cryptographic APIs and weak cryptography implementation. Additionally, security teams should implement monitoring for unusual network traffic patterns that might indicate exploitation attempts and establish incident response procedures to address potential compromise scenarios.