CVE-2016-5487 in Solaris
Summary
by MITRE
Unspecified vulnerability in Oracle Sun Solaris 11.3 allows local users to affect confidentiality, integrity, and availability via unknown vectors.
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Analysis
by VulDB Data Team • 09/27/2022
The vulnerability identified as CVE-2016-5487 represents a significant security weakness within Oracle Sun Solaris 11.3 operating system that exposes local users to potential compromise of system confidentiality, integrity, and availability. This unspecified nature of the vulnerability indicates that the exact technical mechanism remains undisclosed, which is common in certain vulnerability classifications where the full scope of exploitation methods has not been publicly detailed. The vulnerability specifically targets local users, meaning that an attacker must already have some level of access to the system to exploit this weakness, though the impact can be severe once achieved. Such local privilege escalation vulnerabilities are particularly concerning as they can serve as initial footholds for broader system compromise.
The technical flaw underlying CVE-2016-5487 resides within the Solaris operating system kernel or system libraries where insufficient validation or improper access controls exist, allowing local users to manipulate system resources in ways that violate expected security boundaries. From a cybersecurity perspective, this vulnerability aligns with common attack patterns documented in the attack mitigation framework, where local privilege escalation serves as a critical entry point for attackers seeking to establish persistent access or escalate their privileges within the system. The unspecified vectors suggest that multiple pathways may exist for exploitation, potentially encompassing memory corruption issues, privilege bypass mechanisms, or improper resource handling that could be leveraged to execute unauthorized operations.
The operational impact of CVE-2016-5487 extends beyond simple data compromise to encompass complete system integrity and availability risks. A successful exploitation could enable an attacker to access sensitive system files, modify critical system components, or even render system services unavailable through denial-of-service conditions. The confidentiality aspect of this vulnerability means that attackers could potentially read privileged information, access confidential data, or extract sensitive system configuration details that could be used in subsequent attacks. The availability impact could manifest through system crashes, resource exhaustion, or service disruption that could affect business continuity and operational effectiveness of systems running affected Solaris versions.
Security professionals addressing CVE-2016-5487 should implement comprehensive mitigation strategies that include immediate patch management, system hardening procedures, and enhanced monitoring for suspicious local activity. The vulnerability's classification as local access related aligns with common ATT&CK framework techniques where adversaries seek to establish persistence through privilege escalation, making this a critical target for defensive measures. Organizations should conduct thorough vulnerability assessments to identify systems running Solaris 11.3 and prioritize patch deployment as a high-priority security task. The mitigation approach should also include implementing proper access controls, monitoring local user activities, and maintaining updated security information and event management systems to detect potential exploitation attempts. This vulnerability demonstrates the critical importance of maintaining up-to-date security patches and implementing layered defense strategies to protect against both known and unknown threats that may exploit system weaknesses.