CVE-2015-0430 in Solaris
Summary
by MITRE
Unspecified vulnerability in Oracle Sun Solaris 10 and 11 allows local users to affect confidentiality via vectors related to RPC Utility.
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Analysis
by VulDB Data Team • 03/05/2022
The vulnerability identified as CVE-2015-0430 represents a security flaw within Oracle Sun Solaris operating systems version 10 and 11 that affects the Remote Procedure Call utility component. This unspecified weakness in the system's core functionality creates potential exposure for local attackers who can exploit the RPC utility to compromise data confidentiality. The vulnerability's classification as local indicates that exploitation requires prior access to the system, typically through legitimate user accounts or compromised credentials, making it particularly concerning in environments where privilege escalation or lateral movement is possible.
The technical nature of this vulnerability stems from the RPC utility's handling of certain operations that process or transmit sensitive information within the Solaris environment. The RPC framework serves as a fundamental communication mechanism for distributed services and system management functions, making any weakness in its implementation potentially impactful across multiple system components. The unspecified nature of the vulnerability description suggests that the exact technical flaw within the RPC utility's code or configuration remains undisclosed, which is common in cases where the vulnerability involves complex interactions between system services or when the precise mechanism of information leakage is not fully detailed in public advisories.
The operational impact of CVE-2015-0430 extends beyond simple data confidentiality breaches as local attackers with access to the system can potentially extract sensitive information through the compromised RPC utility. This threat vector aligns with common attack patterns documented in the attack mitigation framework, where local privilege escalation or information disclosure vulnerabilities are often leveraged to gain deeper system access or to extract valuable data from system memory or network communications. The vulnerability's presence in both Solaris 10 and 11 versions indicates it affects a broad range of enterprise systems that may still be running legacy operating systems, creating widespread potential exposure across various organizational environments.
Security professionals should recognize this vulnerability as potentially enabling data exfiltration or information disclosure attacks that could compromise system integrity and confidentiality. The RPC utility's role in system administration and service communication means that exploitation could lead to unauthorized access to system configuration data, user credentials, or other sensitive information processed through the RPC framework. Organizations should consider implementing comprehensive monitoring of RPC utility usage patterns and network traffic to detect potential exploitation attempts. This vulnerability demonstrates the importance of maintaining updated system configurations and implementing proper access controls to limit local user privileges, aligning with security best practices outlined in various industry standards including those related to privilege management and secure system administration.
The vulnerability's classification under CWE (Common Weakness Enumeration) would likely fall within categories related to information disclosure or improper privilege handling, though specific weakness identification requires detailed technical analysis of the affected system components. Organizations should treat this vulnerability as part of a broader security assessment that includes evaluating system access controls, monitoring for anomalous RPC activity, and implementing appropriate patch management procedures. The attack surface for this vulnerability is particularly relevant in enterprise environments where Solaris systems may be running legacy applications or services that rely heavily on RPC for inter-process communication, making the potential impact of exploitation significant for organizations maintaining these system configurations.