CVE-2011-2286 in Solaris
Summary
by MITRE
Unspecified vulnerability in Oracle Solaris 10 and 11 Express allows remote authenticated users to affect availability, related to ZFS.
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Analysis
by VulDB Data Team • 01/12/2025
The vulnerability identified as CVE-2011-2286 represents a significant security flaw within Oracle Solaris operating systems, specifically affecting versions 10 and 11 Express. This issue resides within the ZFS (Zettabyte File System) component, which serves as a sophisticated storage management system that combines the functionality of a file system and a volume manager. The unspecified nature of the vulnerability indicates that Oracle did not provide detailed technical specifications about the exact flaw during the initial disclosure, though subsequent analysis has revealed its impact on system availability.
The technical flaw manifests within the ZFS subsystem where remote authenticated users can exploit specific conditions to disrupt system operations and compromise availability. This vulnerability operates at a fundamental level within the storage management infrastructure, potentially allowing attackers who have already established authentication credentials to manipulate ZFS operations in ways that can cause system instability, service disruption, or complete system unavailability. The ZFS implementation contains weaknesses that can be leveraged through carefully crafted inputs or operations that interact with the file system's internal mechanisms.
From an operational impact perspective, this vulnerability presents a serious threat to organizations relying on Oracle Solaris systems, particularly those using ZFS for critical data storage operations. The ability for remote authenticated users to affect availability means that attackers with legitimate credentials could potentially cause denial of service conditions that would impact business continuity and data accessibility. The compromise of system availability through ZFS vulnerabilities could result in extended downtime, data access interruptions, and potential financial losses for affected organizations.
Organizations should implement immediate mitigation strategies including applying the relevant Oracle security patches and updates that address the ZFS vulnerability. System administrators should conduct thorough assessments of their ZFS configurations and monitor for any unusual activity that might indicate exploitation attempts. Network segmentation and access control measures should be enhanced to limit the potential impact of authenticated users who might attempt to exploit this vulnerability. The mitigation approach should align with industry standards such as those recommended by the Center for Internet Security and follow the principles outlined in the CWE (Common Weakness Enumeration) framework for storage system vulnerabilities. This vulnerability also relates to ATT&CK technique T1499 which involves compromising availability through various means, making it essential for security teams to consider both preventive and detective controls to protect against such threats.