CVE-2018-2863 in Sun ZFS Storage Appliance Kit
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 8.7.17. Easily exploitable vulnerability allows low privileged attacker with network access via HTTP 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 unauthorized read access to a subset of Sun ZFS Storage Appliance Kit (AK) accessible data. CVSS 3.0 Base Score 5.0 (Confidentiality impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N).
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Analysis
by VulDB Data Team • 03/03/2023
The vulnerability identified as CVE-2018-2863 resides within the Sun ZFS Storage Appliance Kit component of Oracle's Sun Systems Products Suite, specifically affecting the API frameworks subcomponent. This weakness impacts versions prior to 8.7.17 and represents a significant security concern for organizations utilizing Oracle's storage infrastructure solutions. The vulnerability's classification as easily exploitable indicates that attackers with minimal privileges and network access can potentially compromise the system, making it particularly dangerous in environments where security controls may be insufficient. The affected appliance kit serves as a critical component in enterprise storage management, handling sensitive data and system configurations that require robust protection mechanisms.
The technical flaw manifests through insufficient access controls within the API frameworks that govern the Sun ZFS Storage Appliance Kit operations. This vulnerability allows attackers with low privileges to perform unauthorized read operations against specific subsets of data accessible through the appliance's HTTP interface. The attack vector requires only network access via HTTP, eliminating the need for physical presence or elevated privileges typically required for such breaches. The vulnerability's CVSS 3.0 base score of 5.0 reflects the confidentiality impact, indicating that while the attacker cannot modify or destroy data, they can access sensitive information that may include system configurations, user credentials, or stored data. The CVSS vector (AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N) demonstrates that the attack requires network access with low complexity, only low privilege requirements, no user interaction, and that the scope can be changed, making the impact potentially widespread across connected systems.
The operational impact of this vulnerability extends beyond the immediate Sun ZFS Storage Appliance Kit, as attacks can significantly affect additional products within the Oracle Sun Systems Products Suite ecosystem. Organizations relying on these storage solutions face potential exposure of sensitive business data, system configurations, and operational parameters that could be leveraged by attackers for further exploitation. The unauthorized read access capability could lead to information disclosure that might reveal network topology, storage configurations, user access patterns, or other operational details that could aid in planning more sophisticated attacks. The vulnerability's scope change capability (S:C) indicates that successful exploitation could potentially impact other components within the same security domain, amplifying the overall security risk.
Organizations should implement immediate mitigations including updating to version 8.7.17 or later, which contains the necessary patches to address the access control weakness in the API frameworks. Network segmentation and access controls should be strengthened to limit HTTP access to the appliance only to authorized personnel and systems. Regular security assessments of the storage infrastructure should be conducted to identify additional vulnerabilities that may exist in related components. The vulnerability aligns with CWE-284 (Improper Access Control) and can be categorized under ATT&CK technique T1071.004 (Application Layer Protocol: DNS) when attackers leverage the API frameworks for reconnaissance and data exfiltration activities. Additionally, organizations should consider implementing network monitoring solutions to detect anomalous HTTP traffic patterns that might indicate exploitation attempts against the vulnerable appliance components.