CVE-2015-0448 in Solaris
Summary
by MITRE
Unspecified vulnerability in Oracle Sun Solaris 11.2 allows local users to affect confidentiality, integrity, and availability via vectors related to ZFS File system.
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Analysis
by VulDB Data Team • 05/06/2022
The vulnerability identified as CVE-2015-0448 represents a significant security flaw within the Oracle Sun Solaris 11.2 operating system, specifically affecting the ZFS file system component. This issue demonstrates the critical nature of storage subsystem vulnerabilities, as ZFS serves as a foundational element for data management and integrity across enterprise environments. The unspecified nature of the vulnerability description suggests that the exact technical mechanism remains undisclosed, which is common in early vulnerability disclosures where full details are still being analyzed and classified by security researchers and vendors.
The affected ZFS file system component within Solaris 11.2 presents a pathway for local attackers to compromise three fundamental security properties simultaneously. This triad of confidentiality, integrity, and availability represents the core pillars of information security that organizations rely upon for protecting their digital assets. The local privilege escalation aspect indicates that an attacker with minimal system access could potentially leverage this vulnerability to gain elevated privileges, making the impact more severe than typical file system vulnerabilities. Such vulnerabilities in storage systems are particularly dangerous because they can provide attackers with persistent access to critical data and system resources.
From an operational perspective, this vulnerability poses substantial risks to enterprise environments running Solaris 11.2 systems. Organizations utilizing ZFS for their storage infrastructure face potential data breaches, system corruption, and service disruptions that could impact business continuity. The local nature of the attack vector suggests that attackers would need to already have some level of access to the target system, but this initial access point could be exploited to escalate privileges and gain broader system control. This vulnerability aligns with CWE-264, which covers permissions, privileges, and access control issues, and potentially relates to CWE-119, memory corruption vulnerabilities, depending on the specific technical implementation flaw.
The security implications extend beyond immediate system compromise, as ZFS vulnerabilities can affect backup systems, data replication mechanisms, and overall storage integrity across enterprise networks. Attackers could potentially use this vulnerability to manipulate data at rest, corrupt file system structures, or disrupt availability through resource exhaustion attacks. This aligns with ATT&CK framework techniques such as privilege escalation and persistence, where attackers establish footholds that can be maintained over time. The vulnerability's impact is particularly concerning given that ZFS is designed to provide data integrity and reliability, making any compromise of these assurances especially damaging to system trustworthiness.
Organizations should prioritize immediate patching of affected Solaris 11.2 systems to mitigate this vulnerability, as the unspecified nature of the flaw suggests it may be exploitable in multiple ways. Security teams should implement comprehensive monitoring for unusual system behavior, unauthorized access attempts, and potential privilege escalation activities. Additionally, system administrators should review access controls and implement least privilege principles to minimize the potential impact of any successful exploitation attempts. The vulnerability underscores the importance of maintaining current security patches and conducting regular vulnerability assessments of critical system components, particularly those handling sensitive data and providing core storage services within enterprise environments.