CVE-2016-5486 in Sun ZFS Storage Appliance Kit AK
Summary
by MITRE
Unspecified vulnerability in the Sun ZFS Storage Appliance Kit (AK) component in Oracle Sun Systems Products Suite AK 2013 allows local users to affect confidentiality via vectors related to Core Services.
If you want to get the best quality for vulnerability data then you always have to consider VulDB.
Analysis
by VulDB Data Team • 05/13/2019
The vulnerability identified as CVE-2016-5486 resides within the Sun ZFS Storage Appliance Kit component of Oracle Sun Systems Products Suite AK 2013, representing a significant security weakness that affects the core infrastructure of data storage systems. This unspecified flaw manifests within the Core Services framework of the ZFS Storage Appliance, which serves as the foundational layer for storage operations and management functions. The vulnerability specifically targets local users who possess access to the system, creating a potential pathway for unauthorized data exposure and confidentiality breaches that could compromise sensitive enterprise information.
The technical nature of this vulnerability stems from inadequate access controls and insufficient data protection mechanisms within the Core Services module of the ZFS Storage Appliance. Local users who can execute commands on the system may exploit this weakness to gain unauthorized access to confidential data that should remain protected. This represents a classic privilege escalation scenario where local access can be leveraged to bypass security boundaries that are typically designed to maintain data integrity and confidentiality. The vulnerability's classification as affecting confidentiality indicates that the primary risk involves unauthorized data disclosure rather than system availability or integrity compromise.
From an operational perspective, the impact of CVE-2016-5486 extends beyond simple data theft to encompass potential regulatory compliance violations and business disruption. Organizations utilizing Sun ZFS Storage Appliances may face severe consequences including data breaches, regulatory penalties, and loss of customer trust when this vulnerability is exploited. The local nature of the attack vector suggests that the threat model primarily involves insider risks or compromised user accounts, making detection more challenging as legitimate users can exploit the vulnerability. This vulnerability directly impacts the security posture of enterprise storage infrastructures and could lead to cascading effects when sensitive data is accessed and potentially exfiltrated.
Security professionals should consider this vulnerability in the context of broader attack frameworks such as those defined by the MITRE ATT&CK methodology, where this weakness could map to techniques involving privilege escalation and credential access. The vulnerability aligns with CWE-284, which addresses improper access control, and represents a failure in implementing proper authorization mechanisms within the Core Services component. Organizations should implement immediate mitigations including patching the affected appliance software, implementing enhanced monitoring for unusual local user activities, and conducting thorough access control reviews. Additionally, the vulnerability underscores the importance of maintaining up-to-date security patches for storage infrastructure components and demonstrates the critical need for comprehensive security assessments of enterprise storage systems to identify and remediate similar weaknesses that could expose sensitive data assets.