CVE-2012-3208 in Solaris
Summary
by MITRE
Unspecified vulnerability in Oracle Sun Solaris 10 and 11 allows local users to affect availability, related to Kernel/RCTL.
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Analysis
by VulDB Data Team • 04/18/2021
The vulnerability identified as CVE-2012-3208 represents a significant security flaw within the Oracle Sun Solaris operating system kernel, specifically affecting versions 10 and 11. This issue resides within the Resource Control (RCTL) subsystem, which governs resource allocation and management for processes and zones within the Solaris environment. The unspecified nature of the vulnerability indicates that the exact technical mechanism enabling local privilege escalation or system compromise has not been fully disclosed in public records, though its classification as a kernel-level issue suggests deep integration with core system functionality.
The technical flaw manifests through the Resource Control subsystem, which is designed to manage and limit system resources such as CPU time, memory usage, and process limits. This subsystem operates at the kernel level and is critical for maintaining system stability and resource isolation, particularly in virtualized environments where multiple zones or containers share the same physical hardware. The vulnerability allows local users to manipulate kernel structures or resource management parameters in ways that could lead to system instability, resource exhaustion, or denial of service conditions that ultimately affect system availability. This type of vulnerability typically involves improper input validation, memory management issues, or race conditions within kernel code that controls resource limits and process scheduling.
From an operational impact perspective, this vulnerability poses a substantial risk to Solaris systems since local users with minimal privileges can potentially disrupt system availability and compromise the stability of running services. The attack vector requires local system access, making it less severe than remote exploits but still dangerous in environments where privilege escalation or unauthorized access might occur through other means. The availability impact could manifest as system crashes, resource exhaustion, or complete system unresponsiveness, affecting both individual users and enterprise operations that depend on Solaris for mission-critical applications. Organizations running Solaris 10 and 11 systems face potential downtime and service disruption if this vulnerability is exploited, particularly in virtualized environments where resource controls are heavily utilized.
Mitigation strategies for CVE-2012-3208 should prioritize immediate patch application from Oracle, as the vulnerability affects core kernel functionality that cannot be adequately protected through configuration changes alone. System administrators should implement strict access controls to limit local user privileges and monitor for unusual resource consumption patterns that might indicate exploitation attempts. The vulnerability aligns with CWE-119, which addresses improper access to memory locations, and may relate to ATT&CK technique T1068, involving local privilege escalation. Organizations should also conduct comprehensive system audits to identify any unauthorized local access points and implement monitoring solutions that can detect anomalous resource control behaviors. Additionally, maintaining up-to-date security patches and following Oracle's security advisories remains crucial for protecting against similar kernel-level vulnerabilities that could compromise system integrity and availability.