CVE-2019-12126 in Operations Manager
Summary
by MITRE
In ONAP DCAE through Dublin, by accessing an applicable port (30234, 30290, 32010, 30270, 30224, 30281, 30254, 30285, and/or 30271), an attacker gains full access to the respective ONAP services without any authentication. All ONAP Operations Manager (OOM) setups are affected.
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Analysis
by VulDB Data Team • 04/17/2024
The vulnerability identified as CVE-2019-12126 represents a critical authentication bypass flaw within the ONAP DCAE (Data Collection and Analytics Engine) platform through the Dublin release. This vulnerability exposes multiple network ports that serve as entry points for unauthorized access to the ONAP Operations Manager (OOM) services, fundamentally undermining the security posture of affected deployments. The affected ports include 30234, 30290, 32010, 30270, 30224, 30281, 30254, 30285, and 30271, all of which can be exploited by attackers to gain full administrative privileges without any form of authentication. This issue directly maps to CWE-287, which addresses improper authentication vulnerabilities, and aligns with ATT&CK technique T1078.004 for Valid Accounts and T1190 for Exploit Public-Facing Application, as attackers can leverage these exposed ports to compromise the entire platform. The vulnerability affects all ONAP OOM setups, indicating it is not limited to specific configurations but rather represents a fundamental flaw in the platform's security architecture. The impact of this vulnerability extends beyond simple unauthorized access as it provides attackers with complete control over the operational services, potentially enabling them to manipulate data flows, disrupt service delivery, and compromise the integrity of the entire DCAE ecosystem. This authentication bypass allows for privilege escalation and lateral movement within the network infrastructure, making it particularly dangerous for large-scale deployments where ONAP services are integrated with critical operational systems.
The technical exploitation of this vulnerability requires minimal effort from attackers as it involves simply connecting to any of the exposed ports without requiring credentials or authentication mechanisms. This flaw represents a classic case of insecure network configuration where services that should be protected by authentication are directly accessible from external networks. The affected ports likely correspond to various management interfaces, APIs, or administrative services within the ONAP platform, making them attractive targets for attackers seeking to gain comprehensive control over the system. The vulnerability's severity is amplified by the fact that it affects the entire Dublin release of ONAP DCAE, suggesting it was present in the core platform architecture rather than being a configuration issue that could be easily remediated. This flaw directly violates the principle of least privilege and demonstrates a failure in the platform's security design, as critical services should never be exposed without proper authentication controls. The lack of authentication mechanisms at these ports creates an attack surface that enables adversaries to perform reconnaissance, data exfiltration, and service disruption activities without detection.
The operational impact of this vulnerability is substantial as it provides attackers with complete administrative access to the ONAP DCAE services, potentially compromising the integrity of data collection and analytics processes that are fundamental to network operations. Organizations using ONAP for operational management, service assurance, and analytics may face significant risks including service degradation, data compromise, and potential disruption of critical network functions. The vulnerability affects not just individual components but the entire operational ecosystem, as ONAP DCAE serves as a central platform for data processing and analytics in telecommunications environments. Attackers could exploit this vulnerability to manipulate data flows, corrupt analytics results, or disrupt the operational management of network services, potentially leading to cascading failures in network operations. The exposure of these ports also creates opportunities for attackers to establish persistent access points within the network infrastructure, enabling long-term surveillance and data theft activities. Given that ONAP is widely used in telecommunications and network operations environments, the exploitation of this vulnerability could have far-reaching consequences for network service providers and their customers. The impact extends beyond immediate security breaches to include potential regulatory compliance violations, service disruption costs, and damage to operational reputation.
Mitigation strategies for CVE-2019-12126 require immediate implementation of network segmentation and access control measures to restrict access to the exposed ports. Organizations should implement firewall rules to block external access to ports 30234, 30290, 32010, 30270, 30224, 30281, 30254, 30285, and 30271, ensuring that only authorized internal systems can reach these management interfaces. The implementation of network access control lists and perimeter security measures should be prioritized to prevent unauthorized access to these critical service ports. Additionally, organizations should conduct comprehensive network audits to identify any other exposed ports or services that may present similar vulnerabilities. The recommended approach includes deploying secure authentication mechanisms for all exposed management interfaces and implementing strong access control policies that enforce proper authorization for system access. Regular security assessments and vulnerability scanning should be conducted to identify and remediate similar issues in the platform. The remediation process should also involve updating to patched versions of ONAP DCAE if available, or implementing compensating controls that provide equivalent security protections. Organizations should also consider implementing network monitoring and intrusion detection systems to detect unauthorized access attempts to these ports and establish incident response procedures for rapid response to potential exploitation attempts. The long-term solution requires a comprehensive security architecture review to ensure that all management interfaces are properly secured and that authentication mechanisms are consistently applied across the entire platform.