CVE-2016-0465 in Solaris Cluster
Summary
by MITRE
Unspecified vulnerability in the Solaris Cluster component in Oracle Sun Systems Products Suite 3.3 and 4 allows local users to affect availability via unknown vectors related to Resource Group Manager.
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Analysis
by VulDB Data Team • 07/05/2022
The vulnerability identified as CVE-2016-0465 resides within the Solaris Cluster component of Oracle Sun Systems Products Suite version 3.3 and 4, representing a significant security weakness that could compromise system availability. This issue affects local users who possess legitimate access to the system, making it particularly concerning as it leverages existing privileges to undermine system stability. The vulnerability's classification as unspecified indicates that the exact technical details of the flaw were not fully disclosed in the initial vulnerability report, though it is clearly tied to the Resource Group Manager functionality within the Solaris Cluster environment.
The technical flaw manifests through unknown vectors related to the Resource Group Manager, which serves as a critical component responsible for managing resource groups and their failover behaviors within the cluster environment. This manager coordinates the distribution and movement of resources across cluster nodes, making it a prime target for availability attacks. The unspecified nature of the vulnerability vectors suggests that the underlying issue could involve privilege escalation, resource manipulation, or process control mechanisms within the cluster management framework. Such vulnerabilities in cluster resource management can potentially allow attackers to disrupt service availability, cause node failures, or force unwanted resource migrations that compromise the overall cluster stability.
From an operational impact perspective, this vulnerability presents a substantial risk to enterprise environments relying on Solaris Cluster for high availability services. Local users who exploit this weakness could potentially cause service disruptions, system crashes, or forced failovers that impact business continuity. The availability compromise could affect critical applications running in the cluster, leading to downtime that impacts business operations and customer service delivery. Given that Solaris Cluster is commonly deployed in mission-critical environments, the potential for cascading failures across interconnected services makes this vulnerability particularly dangerous. The local nature of the attack vector means that the threat is not limited to external attackers but also encompasses insider threats or compromised accounts with local access.
Mitigation strategies for CVE-2016-0465 should focus on immediate patch application from Oracle, as this represents a confirmed vulnerability requiring vendor-provided fixes. Organizations should implement strict access controls and monitoring of local user activities within cluster environments to detect potential exploitation attempts. Network segmentation and privilege minimization practices can help reduce the attack surface, while regular security assessments of cluster configurations should be conducted to identify potential weaknesses in resource group management. The vulnerability aligns with CWE-284 (Improper Access Control) and potentially CWE-94 (Improper Control of Generation of Code) as it relates to resource group management and potential code execution or control manipulation. From an ATT&CK framework perspective, this vulnerability could be categorized under T1068 (Exploitation for Privilege Escalation) and T1499 (Endpoint Termination) as it relates to system availability compromise through local privilege exploitation. Organizations should also consider implementing comprehensive monitoring solutions that can detect unusual resource group behavior or unexpected failover patterns that might indicate exploitation attempts.