CVE-2011-3536 in Solaris
Summary
by MITRE
Unspecified vulnerability in Oracle Solaris 10 allows local users to affect availability, related to DTrace Software Library (libdtrace).
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Analysis
by VulDB Data Team • 01/06/2025
The vulnerability identified as CVE-2011-3536 represents a significant security flaw within Oracle Solaris 10 operating system, specifically affecting the DTrace Software Library component known as libdtrace. This issue manifests as an unspecified weakness that enables local attackers to compromise system availability, demonstrating the critical importance of kernel-level software libraries in maintaining overall system integrity. The DTrace framework serves as a powerful dynamic tracing facility that allows administrators and developers to monitor and analyze system behavior in real-time, making it an essential component for system diagnostics and performance monitoring.
The technical nature of this vulnerability resides within the libdtrace library implementation, which forms part of the broader DTrace infrastructure in Solaris 10. This library handles the core functionality of DTrace probes and tracing operations, and the unspecified weakness suggests a potential flaw in memory management, buffer handling, or resource allocation within the library's codebase. Such vulnerabilities in system libraries can be particularly dangerous because they may allow attackers to cause system instability, crashes, or denial of service conditions that could impact critical system operations. The local nature of this vulnerability indicates that exploitation requires prior access to the system, but once achieved, could provide attackers with the ability to disrupt system availability through carefully crafted DTrace operations.
The operational impact of this vulnerability extends beyond simple system crashes, as it could potentially allow attackers to consume system resources, corrupt memory structures, or trigger unexpected behavior in the tracing framework. When local users can affect availability through DTrace components, it creates a vector for both accidental and intentional system degradation that could impact service availability, data integrity, and overall system reliability. The implications are particularly concerning in enterprise environments where Solaris 10 systems may be running critical applications and services that depend on stable system performance and availability. The vulnerability could be exploited to cause system hangs, kernel panics, or resource exhaustion that would require manual intervention to resolve, potentially leading to extended downtime and service disruption.
Mitigation strategies for this vulnerability should focus on immediate patching and system hardening measures, as Oracle would have released security updates to address the specific flaw in libdtrace. Organizations should prioritize applying the relevant security patches and updates to their Solaris 10 systems, while also implementing monitoring to detect potential exploitation attempts. System administrators should consider restricting access to DTrace functionality where possible and implementing proper access controls to limit local user privileges. From a cybersecurity perspective, this vulnerability aligns with common attack patterns documented in the attack tactics and techniques framework, particularly those related to privilege escalation and availability disruption. The vulnerability also relates to CWE-119, which addresses memory corruption issues, and could be categorized under ATT&CK techniques involving system resource exploitation and denial of service attacks. Organizations should conduct thorough vulnerability assessments to identify systems running vulnerable versions of libdtrace and implement comprehensive monitoring to detect any anomalous DTrace activity that might indicate exploitation attempts.