CVE-2007-6130 in gnump3d
Summary
by MITRE
gnump3d 2.9final does not apply password protection to its plugins, which might allow remote attackers to bypass intended access restrictions.
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Analysis
by VulDB Data Team • 08/01/2019
The vulnerability identified as CVE-2007-6130 affects gnump3d version 2.9final, a popular audio streaming server software that serves mp3 files over networks. This flaw represents a critical security oversight in the application's access control implementation where the software fails to properly enforce password protection mechanisms for its plugin components. The issue stems from the software's design where authentication checks are selectively applied, leaving plugin interfaces exposed to unauthorized access while other parts of the system maintain proper access controls.
This technical weakness constitutes a direct violation of the principle of least privilege and proper access control enforcement as outlined in the CWE-284 category, which addresses improper access control vulnerabilities. The flaw allows remote attackers to bypass intended access restrictions by exploiting the inconsistent application of authentication mechanisms across different components of the software. The plugin architecture in gnump3d appears to operate under different security contexts than the main application, creating a security boundary that can be exploited by malicious actors.
The operational impact of this vulnerability extends beyond simple unauthorized access to potentially exposing sensitive audio content and system functionality. Remote attackers who can access unprotected plugins may gain access to administrative functions, file system operations, or other privileged capabilities that should be restricted to authorized users only. This creates a significant risk for organizations deploying gnump3d in networked environments where unauthorized access could lead to content theft, system compromise, or denial of service conditions. The vulnerability is particularly concerning in enterprise or public deployment scenarios where multiple users access the system.
Security professionals should recognize this as an example of inadequate input validation and access control implementation that violates fundamental security principles. The vulnerability aligns with ATT&CK technique T1078 which covers valid accounts and T1068 which covers additional privileges, as attackers could potentially escalate their access through the exposed plugin interfaces. Organizations using gnump3d should immediately implement mitigations including disabling unnecessary plugins, applying network segmentation, and ensuring proper authentication is enforced across all application components. The recommended approach involves either patching the software to properly enforce authentication for all interfaces or implementing network-level controls to restrict access to plugin endpoints.
The broader implications of this vulnerability highlight the importance of comprehensive security testing across all application interfaces, particularly in software that provides network services with administrative capabilities. This flaw demonstrates how seemingly isolated components within a larger application can create significant security risks when access controls are inconsistently applied. The vulnerability serves as a reminder that all interfaces, regardless of their perceived importance or usage frequency, must maintain proper security boundaries and authentication enforcement to prevent privilege escalation and unauthorized access scenarios.