CVE-2018-17888 in NUUO
Summary
by MITRE
NUUO CMS all versions 3.1 and prior, The application uses a session identification mechanism that could allow attackers to obtain the active session ID, which could allow arbitrary remote code execution.
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Analysis
by VulDB Data Team • 06/26/2024
The vulnerability identified as CVE-2018-17888 affects NUUO CMS versions 3.1 and earlier, representing a critical security flaw that compromises the application's session management mechanism. This weakness stems from insufficient session ID generation and handling practices that enable attackers to predict or obtain active session identifiers. The vulnerability operates at the application layer and specifically targets the session management component that governs user authentication and authorization within the CMS environment. The flaw allows unauthorized individuals to exploit the session identification mechanism to gain access to active user sessions, potentially leading to complete system compromise.
The technical implementation of this vulnerability resides in the application's session handling code where session identifiers are generated using predictable algorithms or insufficient entropy sources. Attackers can leverage this weakness to obtain valid session IDs through various techniques including session prediction, session fixation, or session hijacking approaches. The session ID exposure creates a direct pathway for attackers to impersonate legitimate users and execute arbitrary commands within the system. This vulnerability aligns with CWE-306, which addresses the improper handling of authentication mechanisms, and represents a significant deviation from secure session management practices outlined in industry standards such as NIST SP 800-63B for digital identity management.
The operational impact of CVE-2018-17888 extends beyond simple unauthorized access, as it enables complete remote code execution capabilities within the affected system. Once an attacker obtains a valid session ID, they can execute malicious commands with the privileges of the authenticated user, potentially leading to data exfiltration, system compromise, or further lateral movement within the network. The vulnerability affects the integrity and confidentiality of the CMS environment, as attackers can manipulate session data and access restricted resources. This weakness particularly impacts organizations relying on NUUO CMS for surveillance and security monitoring, where unauthorized access could result in critical security breaches and loss of sensitive video surveillance data.
Mitigation strategies for this vulnerability should prioritize immediate patching of the affected NUUO CMS versions to address the session management flaws. Organizations should implement robust session management practices including the use of cryptographically secure random number generators for session ID creation, proper session timeout mechanisms, and secure session handling protocols. Network segmentation and access controls should be enforced to limit exposure, while monitoring systems should be deployed to detect suspicious session activity. The vulnerability demonstrates the importance of following ATT&CK framework principles for session management and authentication, particularly addressing techniques such as credential access and execution through compromised sessions. Regular security assessments and penetration testing should be conducted to verify the effectiveness of implemented controls and ensure ongoing protection against similar session-related vulnerabilities.