CVE-2016-3481 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 availability via vectors related to Web.
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Analysis
by VulDB Data Team • 09/08/2022
The vulnerability identified as CVE-2016-3481 resides within the ILOM (Integrated Lights Out Manager) component of Oracle Sun Systems Products Suite versions 3.0, 3.1, and 3.2. This flaw represents a significant security concern as it affects the availability of the system through web-based attack vectors. The ILOM component serves as a critical management interface for Oracle Sun server hardware, providing out-of-band management capabilities that enable administrators to monitor and control systems remotely. The unspecified nature of the vulnerability suggests that the exact technical mechanism remains undisclosed, but the impact is clearly focused on availability rather than confidentiality or integrity. This classification aligns with CWE-119 which deals with weaknesses in memory handling and can often result in denial of service conditions.
The technical exploitation of this vulnerability occurs through authenticated remote access via web protocols, indicating that attackers must first establish valid credentials to the system before they can leverage this weakness. This authentication requirement reduces the attack surface compared to unauthenticated exploits but does not eliminate the risk entirely, as compromised credentials could be obtained through various means including credential stuffing, phishing, or social engineering attacks. The web-based nature of the vulnerability means that the attack vector likely involves HTTP or HTTPS requests that are processed by the ILOM web interface, potentially through malformed input or specific parameter manipulation that causes the system to become unresponsive or crash.
From an operational standpoint, the impact of this vulnerability can be severe for enterprise environments that rely on Oracle Sun server infrastructure. The availability compromise could result in complete system unavailability, requiring manual intervention to restore service, which directly impacts business continuity and disaster recovery operations. Organizations using these systems may experience extended downtime during maintenance windows, particularly when critical systems are affected. The vulnerability affects the core management functionality of the servers, meaning that even if the primary system remains operational, the ability to remotely monitor, manage, or troubleshoot becomes compromised. This situation can force organizations to rely on more time-consuming manual procedures or potentially result in extended service interruptions.
Mitigation strategies for CVE-2016-3481 should prioritize immediate patching of affected systems with Oracle's security updates, as these would address the underlying vulnerability in the ILOM component. Network segmentation and access controls should be implemented to limit the exposure of ILOM interfaces to only trusted administrative networks, reducing the potential attack surface. Regular monitoring of system logs for unusual activity related to ILOM access attempts can help detect potential exploitation attempts, and implementing intrusion detection systems with rules specific to known ILOM attack patterns would provide additional protection. The vulnerability's classification as affecting availability aligns with ATT&CK technique T1499 which covers network denial of service attacks, and organizations should consider implementing redundancy measures and backup management procedures to ensure continued operations during potential exploitation events. Additionally, maintaining up-to-date security baselines and conducting regular vulnerability assessments will help identify similar weaknesses in related systems and prevent cascading failures across the enterprise infrastructure.