CVE-2011-3534 in Solaris
Summary
by MITRE
Unspecified vulnerability in Oracle Solaris 8, 9, 10, and 11 Express allows remote attackers to affect availability via unknown vectors related to Network Status Monitor (statd).
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Analysis
by VulDB Data Team • 11/24/2021
The vulnerability identified as CVE-2011-3534 resides within Oracle Solaris operating systems across multiple versions including Solaris 8, 9, 10, and 11 Express. This unspecified weakness specifically impacts the Network Status Monitor component known as statd which plays a critical role in maintaining network service availability and status reporting. The vulnerability classifies under the broader category of availability attacks where remote adversaries can potentially disrupt system operations without necessarily gaining unauthorized access to system resources or data. The Network Status Monitor service statd operates as a daemon responsible for tracking the status of network services and maintaining consistent reporting mechanisms for network availability. This particular flaw represents a significant concern for enterprise environments that rely on Solaris systems for critical network infrastructure operations.
The technical nature of this vulnerability stems from insufficient input validation or improper error handling within the statd service implementation. Attackers exploiting this weakness can potentially manipulate the network status monitoring functionality to cause service disruption, system instability, or complete service unavailability. The unspecified nature of the vulnerability vectors suggests that multiple attack paths may exist, potentially including malformed network requests, unexpected data inputs, or manipulation of network status reporting mechanisms. The vulnerability impacts the fundamental availability of network services that depend on statd for status monitoring, which could cascade into broader network infrastructure failures. This type of vulnerability aligns with CWE-119 which addresses weaknesses in memory handling and data validation, and represents a classic example of how network service components can become attack vectors for availability-focused threats.
The operational impact of CVE-2011-3534 extends beyond simple service disruption to potentially compromise entire network infrastructure reliability. Organizations running Solaris systems in production environments face significant risk of service degradation or complete outages when this vulnerability is exploited. The Network Status Monitor functionality affects how systems report their network availability status to other components and administrators, making this a particularly dangerous vulnerability for monitoring and alerting systems. Attackers could leverage this weakness to create false network status reports that mask actual service failures, or to cause legitimate network services to become unavailable through disruption of the statd daemon itself. This vulnerability directly impacts the principles of availability as defined in the CIA triad and represents a concern for systems that depend on continuous network monitoring for operational integrity.
Mitigation strategies for this vulnerability should prioritize immediate patching of affected Solaris versions through Oracle's official security updates and advisories. Organizations must ensure their Solaris systems are updated to versions that contain fixes for the statd service implementation and network status monitoring components. Network segmentation and access controls should be implemented to limit remote access to statd service ports and reduce the attack surface. Monitoring for unusual network status reporting patterns or service disruptions can help detect exploitation attempts. System administrators should consider disabling unnecessary network status monitoring services when they are not actively required. The vulnerability demonstrates the importance of maintaining up-to-date security patches and the critical nature of network service monitoring components in enterprise security architectures. Organizations should implement comprehensive vulnerability management processes that include regular assessment of network service components and their potential attack vectors.
The vulnerability also highlights the need for robust security controls around network monitoring services that form part of the operational infrastructure. From an ATT&CK framework perspective, this vulnerability could be categorized under initial access and privilege escalation techniques where attackers exploit service weaknesses to gain control over system availability. The impact on network status reporting systems represents a significant concern for security operations centers that rely on accurate network availability information for incident response and threat detection. This vulnerability underscores the importance of maintaining secure configurations for all network services and the necessity of regular security assessments of monitoring components that are critical to system operations. Organizations should implement security controls that align with NIST SP 800-53 requirements for system and information integrity, particularly focusing on the protection of network monitoring and status reporting services.