CVE-2007-5946 in HP-UX
Summary
by MITRE
Unspecified vulnerability in the Aries PA-RISC emulator on HP-UX B.11.23 and B.11.31 on the IA-64 platform allows local users to obtain unspecified access.
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Analysis
by VulDB Data Team • 06/02/2025
The vulnerability identified as CVE-2007-5946 represents a security flaw within the Aries PA-RISC emulator component of Hewlett-Packard's HP-UX operating systems. This emulator functionality enables the execution of PA-RISC applications on IA-64 architecture platforms, creating a critical attack surface that could be exploited by local adversaries. The unspecified nature of the vulnerability indicates that the exact technical details of the weakness remain undisclosed, though the implications suggest a potential privilege escalation or information disclosure scenario. The affected versions specifically target HP-UX B.11.23 and B.11.31 releases running on IA-64 hardware platforms, making this a platform-specific concern that requires careful attention from system administrators managing these environments.
The technical implementation of the Aries PA-RISC emulator creates a complex execution environment where legacy PA-RISC code interacts with modern IA-64 systems through kernel-level virtualization mechanisms. This emulation layer typically involves memory management, instruction set translation, and system call handling that could contain implementation flaws or improper access controls. Local users with existing system access could potentially exploit this vulnerability to gain elevated privileges or access restricted system resources that should normally be protected. The vulnerability's classification as a local privilege escalation issue aligns with common patterns in emulator implementations where insufficient boundary checking or improper privilege handling allows unprivileged users to manipulate system operations.
From an operational impact perspective, this vulnerability poses significant risks to systems running affected HP-UX versions, particularly in enterprise environments where local access might be more prevalent than anticipated. The attack surface is particularly concerning because it allows local users to potentially gain unauthorized access to system resources, potentially leading to complete system compromise. The vulnerability could be exploited by malicious insiders or attackers who have already gained local access through other means, making it a critical concern for security-conscious organizations. The unspecified nature of the access granted suggests that the vulnerability could enable various types of unauthorized operations, including privilege escalation, data access, or system manipulation that could affect overall system integrity and confidentiality.
Mitigation strategies for CVE-2007-5946 should focus on immediate patching of affected systems through HP's official security updates, which would address the underlying emulator implementation flaw. System administrators should implement strict access controls and monitoring of local user activities, particularly in environments where multiple users share systems. The vulnerability's nature suggests that runtime protection mechanisms or additional privilege controls within the emulator layer may be necessary. Organizations should also consider network segmentation to limit potential exploitation paths and implement comprehensive audit logging to detect unauthorized access attempts. Additionally, this vulnerability highlights the importance of maintaining up-to-date security patches for specialized system components and the need for thorough security testing of emulation layers that bridge different architectural platforms, aligning with industry best practices for maintaining system integrity and preventing unauthorized access through complex software components.
This vulnerability demonstrates characteristics consistent with CWE-264, which addresses permissions, privileges, and access controls, and could potentially map to ATT&CK techniques involving privilege escalation and defense evasion through exploitation of system components. The Aries emulator implementation represents a sophisticated software layer that requires careful security analysis and regular updates to prevent exploitation by adversaries seeking to leverage local access for broader system compromise.