CVE-2010-2392 in OpenSolaris
Summary
by MITRE
Unspecified vulnerability in Oracle Solaris 10 and OpenSolaris allows local users to affect integrity and availability, related to ZFS.
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Analysis
by VulDB Data Team • 01/25/2025
The vulnerability identified as CVE-2010-2392 represents a significant security flaw within Oracle Solaris 10 and OpenSolaris operating systems specifically affecting the ZFS (Zettabyte File System) component. This unspecified weakness in the file system implementation creates potential pathways for local attackers to compromise system integrity and availability through manipulation of ZFS operations. The vulnerability stems from insufficient validation mechanisms within the ZFS subsystem that governs data storage and management operations, particularly when handling specific file system interactions and administrative commands.
The technical nature of this vulnerability lies in the inadequate input validation and error handling within ZFS kernel modules that process user requests and system commands. Attackers with local access can exploit this weakness to manipulate ZFS data structures, potentially leading to data corruption, unauthorized modifications, or service disruption. The flaw likely manifests during specific ZFS administrative operations such as dataset creation, snapshot management, or file system mounting procedures where proper boundary checks and permission validations are missing. This vulnerability classifies under CWE-119 which encompasses weaknesses related to insufficient protection of memory buffers and improper handling of input data within kernel space operations.
From an operational perspective, this vulnerability poses substantial risk to systems running Solaris 10 or OpenSolaris environments where ZFS is actively utilized for data storage management. Local users with minimal privileges can potentially cause cascading failures throughout the file system, leading to complete system instability or data loss. The impact extends beyond simple integrity violations as availability can be compromised through denial-of-service conditions that render critical storage services inaccessible. Organizations utilizing ZFS for enterprise storage solutions face heightened risk as this vulnerability could enable attackers to disrupt business operations and compromise sensitive data repositories.
Mitigation strategies for CVE-2010-2392 should prioritize immediate patch deployment from Oracle to address the underlying ZFS implementation flaws. System administrators must implement comprehensive monitoring of ZFS operations and access patterns to detect anomalous behavior that might indicate exploitation attempts. Network segmentation and privilege minimization practices should be enforced to limit local user access to critical storage components. Additionally, regular security assessments of ZFS configurations and automated vulnerability scanning should be integrated into security operations. The ATT&CK framework categorizes this vulnerability under privilege escalation and persistence tactics where local users can leverage system weaknesses to gain broader access. Organizations should also consider implementing robust backup and recovery procedures to mitigate potential data loss scenarios resulting from ZFS integrity compromises. Regular security updates and system hardening measures remain essential defensive controls against similar vulnerabilities in storage subsystems.