CVE-2014-4275 in Solaris
Summary
by MITRE
Unspecified vulnerability in Oracle Sun Solaris 11 allows local users to affect availability via vectors related to SMB server kernel module.
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Analysis
by VulDB Data Team • 02/23/2022
The vulnerability identified as CVE-2014-4275 resides within the Oracle Sun Solaris 11 operating system and represents a significant security flaw affecting the SMB server kernel module. This issue manifests as an unspecified vulnerability that local attackers can exploit to compromise system availability, demonstrating the critical nature of kernel-level flaws that can be leveraged by users with limited privileges. The vulnerability specifically targets the SMB server component that operates within the kernel space, making it particularly dangerous as it can potentially disrupt essential network services and system operations.
The technical nature of this vulnerability stems from improper handling of certain SMB server functionalities within the kernel module implementation. While the exact vector remains unspecified in the CVE description, such vulnerabilities typically involve memory corruption issues, improper input validation, or race conditions that can be triggered through specific SMB protocol interactions. The fact that this affects the kernel module indicates that exploitation could potentially lead to system crashes, denial of service conditions, or even privilege escalation scenarios depending on how the vulnerability manifests. These types of kernel-level vulnerabilities are particularly concerning as they can undermine the fundamental security posture of the entire operating system.
From an operational impact perspective, local users who can access the system can leverage this vulnerability to disrupt SMB services and potentially cause broader availability issues within the network infrastructure. The SMB protocol is commonly used for file sharing and network communication, making this vulnerability particularly dangerous in enterprise environments where file servers and network resources depend heavily on SMB functionality. When exploited, such vulnerabilities can result in extended downtime, data accessibility issues, and potential cascading failures that affect multiple systems relying on the compromised SMB services. The local nature of the attack vector suggests that even users with minimal privileges could cause significant disruption to system availability.
Mitigation strategies for CVE-2014-4275 should prioritize immediate patching of the affected Solaris 11 systems through Oracle's official security updates and advisories. Organizations should implement network segmentation to limit local access privileges and monitor for suspicious SMB protocol activities that could indicate exploitation attempts. System administrators should also consider disabling SMB services when not required and implement comprehensive logging to detect potential exploitation attempts. The vulnerability aligns with CWE-119 which addresses improper restriction of operations within a restricted environment, and may relate to ATT&CK techniques involving privilege escalation and denial of service. Regular security assessments and vulnerability scanning should be conducted to identify similar kernel-level vulnerabilities that could pose comparable risks to system availability and integrity.