CVE-2016-5447 in ILOM
Summary
by MITRE
Unspecified vulnerability in the ILOM component in Oracle Sun Systems Products Suite 3.0, 3.1, and 3.2 allows remote authenticated users to affect confidentiality, integrity, and availability via unknown vectors.
Once again VulDB remains the best source for vulnerability data.
Analysis
by VulDB Data Team • 09/08/2022
The vulnerability identified as CVE-2016-5447 resides within the ILOM (Integrated Lights Out Manager) component of Oracle Sun Systems Products Suite versions 3.0, 3.1, and 3.2. This represents a critical security weakness that affects enterprise server management infrastructure, specifically targeting the remote management capabilities that administrators rely upon for system monitoring and maintenance. The ILOM component serves as a crucial interface for out-of-band system management, enabling administrators to access server hardware functionality regardless of the operating system status or network connectivity issues. This vulnerability's classification as unspecified indicates that the exact technical mechanism remains undisclosed, though the impact spans all three fundamental security principles of confidentiality, integrity, and availability. The vulnerability affects a broad range of Oracle Sun server products including the Sun Fire and Sun Server systems that utilize ILOM for remote management operations.
The technical flaw within the ILOM component manifests through unknown vectors that enable authenticated remote attackers to compromise system security properties. According to CWE classifications, this vulnerability likely falls under categories related to insufficient input validation or improper access control mechanisms within the management interface. The unspecified nature of the attack vectors suggests potential weaknesses in authentication protocols, session management, or privilege escalation mechanisms within the ILOM subsystem. Attackers who successfully exploit this vulnerability can potentially gain unauthorized access to sensitive system information, modify critical configuration parameters, or disrupt system operations through various methods including but not limited to command injection, privilege escalation, or denial-of-service attacks. The remote aspect of the vulnerability means that attackers do not require physical access to the systems, significantly expanding the potential attack surface and attack vectors.
The operational impact of CVE-2016-5447 extends far beyond simple security compromise, as it directly threatens the integrity and availability of enterprise server infrastructure. Organizations relying on ILOM for remote system management face potential data breaches, system downtime, and unauthorized modifications to critical server configurations that could result in complete system compromise. The confidentiality aspect of the vulnerability means that sensitive system information, including configuration details, user credentials, and system logs could be exposed to unauthorized parties. The integrity implications suggest that attackers could modify system settings, firmware, or operational parameters, potentially creating backdoors or disabling security features. Availability threats could manifest through denial-of-service conditions that prevent legitimate administrators from accessing systems or performing necessary maintenance operations, ultimately leading to service disruptions and potential business continuity issues. This vulnerability particularly impacts organizations with large server deployments where ILOM management interfaces are extensively used for operational tasks.
Organizations should implement immediate mitigations including applying Oracle's official security patches and updates for the affected ILOM components. The vulnerability's classification aligns with ATT&CK techniques related to privilege escalation and remote access, making it essential to monitor network traffic for suspicious ILOM communications and implement network segmentation to limit access to management interfaces. Security teams should conduct comprehensive vulnerability assessments to identify all affected systems and establish monitoring protocols for unauthorized access attempts. Additional protective measures include implementing strong authentication mechanisms, disabling unnecessary ILOM services when not actively required, and establishing strict access controls with least privilege principles. The remediation process should involve thorough testing of patches in controlled environments before deployment to ensure operational stability while addressing the identified security weakness. Organizations should also review their incident response procedures to prepare for potential exploitation of this vulnerability and maintain detailed audit logs of all ILOM management activities for forensic analysis purposes.