CVE-2015-0429 in Solaris
Summary
by MITRE
Unspecified vulnerability in Oracle Sun Solaris 10 and 11 allows local users to affect integrity and availability via vectors related to RPC Utility.
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Analysis
by VulDB Data Team • 03/05/2022
The vulnerability identified as CVE-2015-0429 represents a significant security flaw within Oracle Sun Solaris operating systems, specifically affecting versions 10 and 11. This issue resides within the Remote Procedure Call utility component, which serves as a fundamental mechanism for distributed computing within the Solaris ecosystem. The unspecified nature of the vulnerability indicates that the exact technical details were not fully disclosed in the initial advisory, though the impact spans critical security domains including data integrity and system availability. The RPC utility functionality is essential for inter-process communication across networked systems, making this vulnerability particularly concerning for enterprise environments where Solaris systems operate as critical infrastructure components.
The technical flaw within the RPC utility manifests in ways that enable local attackers to manipulate system resources and potentially compromise the integrity of data processing operations. Attackers exploiting this vulnerability could leverage the RPC mechanisms to execute unauthorized modifications to system files, manipulate network communications, or disrupt service availability. The local nature of the attack vector suggests that an attacker must already have access to the target system, typically through legitimate user accounts or compromised credentials, before attempting to exploit this weakness. This classification aligns with CWE-264, which addresses permissions, privileges, and access control issues that can lead to unauthorized system manipulation, and reflects common attack patterns documented in the ATT&CK framework under privilege escalation and persistence techniques.
The operational impact of CVE-2015-0429 extends beyond simple data corruption or service disruption, potentially enabling attackers to establish persistent access to systems and compromise the overall security posture of affected networks. When local users can manipulate RPC utility functions, they gain capabilities that could facilitate lateral movement within network environments, data exfiltration, or the establishment of backdoors for continued unauthorized access. The availability impact means that system services relying on RPC functionality could experience disruptions or complete service outages, affecting business operations and potentially leading to significant financial losses. Organizations running Solaris systems in mission-critical environments face particular risk from this vulnerability, as it could undermine the reliability and trustworthiness of their computing infrastructure.
Mitigation strategies for CVE-2015-0429 should focus on immediate patch deployment from Oracle, as the vendor would have released specific security updates addressing the RPC utility vulnerability. System administrators should implement comprehensive monitoring of RPC service activities and network communications to detect anomalous behavior that might indicate exploitation attempts. The principle of least privilege should be strictly enforced, limiting local user access to only necessary system functions and reducing the attack surface available to potential exploiters. Additionally, organizations should conduct thorough security assessments of their Solaris environments, reviewing RPC configurations and access controls to identify and remediate any additional vulnerabilities that might compound the risks associated with this specific flaw. Network segmentation and intrusion detection systems can provide additional layers of protection against exploitation attempts, while regular security audits should verify that all systems have been properly updated and remain compliant with established security policies.