CVE-2018-3057 in Sun ZFS Storage Appliance Kit (AK)
Summary
by MITRE
Vulnerability in the Sun ZFS Storage Appliance Kit (AK) component of Oracle Sun Systems Products Suite (subcomponent: API frameworks). The supported version that is affected is Prior to 8.7.18. Easily exploitable vulnerability allows high privileged attacker with logon to the infrastructure where Sun ZFS Storage Appliance Kit (AK) executes to compromise Sun ZFS Storage Appliance Kit (AK). While the vulnerability is in Sun ZFS Storage Appliance Kit (AK), attacks may significantly impact additional products. Successful attacks of this vulnerability can result in takeover of Sun ZFS Storage Appliance Kit (AK). CVSS 3.0 Base Score 8.2 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H).
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Analysis
by VulDB Data Team • 04/18/2023
The vulnerability identified as CVE-2018-3057 resides within the Sun ZFS Storage Appliance Kit component of Oracle's Sun Systems Products Suite, specifically affecting the API frameworks subcomponent. This security flaw impacts versions prior to 8.7.18 of the Sun ZFS Storage Appliance Kit, representing a significant concern for organizations utilizing Oracle's storage infrastructure solutions. The vulnerability's classification as easily exploitable indicates that attackers with sufficient privileges can readily leverage this weakness to compromise the targeted system, making it particularly dangerous in environments where administrative access might be compromised or where insider threats exist.
The technical nature of this vulnerability stems from insufficient security controls within the API frameworks of the ZFS Storage Appliance Kit, which allows a high privileged attacker who has already gained logon access to the underlying infrastructure to escalate their privileges and take complete control of the appliance. This represents a privilege escalation vulnerability that operates at the system level, where the attacker's existing credentials provide sufficient access to exploit the flaw. The CVSS 3.0 scoring of 8.2 reflects the severity of the impact, with high scores across all three confidentiality, integrity, and availability metrics, indicating that successful exploitation could result in complete system compromise with devastating consequences for data protection and system availability.
The operational impact of CVE-2018-3057 extends beyond the immediate ZFS Storage Appliance Kit, as noted in the vulnerability description, suggesting that attacks may significantly affect additional products within the Oracle Sun Systems Products Suite ecosystem. This cascading effect demonstrates how vulnerabilities in one component can potentially compromise interconnected systems, creating broader security implications for organizations that rely on Oracle's storage infrastructure. The vulnerability's potential to result in complete takeover of the appliance means that attackers could gain unauthorized access to all stored data, modify critical system configurations, and potentially use the compromised appliance as a launching point for further attacks against other systems within the network infrastructure.
Organizations should prioritize immediate remediation by upgrading to Sun ZFS Storage Appliance Kit version 8.7.18 or later, which contains the necessary security patches to address this vulnerability. Additionally, implementing network segmentation and access controls can help limit the potential impact if exploitation occurs, while maintaining comprehensive monitoring and logging of system activities can aid in detecting unauthorized access attempts. The vulnerability aligns with CWE-284 (Improper Access Control) and may map to ATT&CK techniques involving privilege escalation and persistence mechanisms, emphasizing the need for layered security approaches. Given the high CVSS score and the fact that this vulnerability requires only high privileged access to exploit, organizations should conduct thorough security assessments of their existing ZFS appliance deployments and ensure that all administrative accounts maintain strong authentication controls to prevent unauthorized access that could lead to exploitation.