CVE-2006-5151 in HP-UX
Summary
by MITRE
Unspecified vulnerability in HP Ignite-UX server before C.6.9.150 for HP-UX B.11.00, B.11.11, and B.11.23 allows remote attackers to "gain root access" via unspecified vectors.
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Analysis
by VulDB Data Team • 04/23/2026
This vulnerability represents a critical privilege escalation flaw in HP Ignite-UX server software running on HP-UX operating systems. The unspecified nature of the attack vectors suggests that multiple pathways could potentially lead to root access, making the vulnerability particularly concerning for security professionals. HP Ignite-UX serves as a comprehensive system management and deployment tool that provides centralized administration capabilities for hp-ux environments, making it a prime target for attackers seeking elevated privileges. The vulnerability affects multiple HP-UX versions including B.11.00, B.11.11, and B.11.23, indicating a widespread impact across a significant portion of the hp-ux ecosystem. This type of vulnerability directly violates the principle of least privilege and represents a fundamental failure in the system's access control mechanisms. According to CWE classification, this vulnerability would likely fall under CWE-269: "Improper Privilege Management" or potentially CWE-787: "Out-of-bounds Write" if the root cause involves buffer manipulation during privilege handling. The ATT&CK framework would categorize this under T1068: "Exploitation for Privilege Escalation" with potential techniques including T1548.001: "Abuse Elevation Control Mechanism" and T1059: "Command and Scripting Interpreter" if exploitation involves command execution.
The operational impact of this vulnerability is severe and far-reaching for organizations utilizing affected HP-UX systems. A successful exploitation would provide attackers with complete administrative control over the target systems, enabling them to modify system configurations, install malicious software, access sensitive data, and potentially establish persistent backdoors. The remote nature of the attack vector eliminates the need for physical access or local network presence, making the vulnerability particularly dangerous for enterprise environments where systems may be exposed to external networks. Organizations running these vulnerable versions of HP-UX would face significant risk of data breaches, system compromise, and potential disruption of critical business operations. The vulnerability essentially provides a backdoor to complete system control without requiring authentication, representing a catastrophic failure in the system's security architecture.
Mitigation strategies for this vulnerability should focus on immediate patching and system hardening measures. Organizations must prioritize updating to HP Ignite-UX version C.6.9.150 or later, which contains the necessary security fixes to address this vulnerability. System administrators should implement network segmentation to limit access to systems running vulnerable software and consider disabling unnecessary services or features within Ignite-UX that may contribute to the attack surface. Monitoring for unusual network activity or unauthorized access attempts should be enhanced, particularly around the ports and protocols used by Ignite-UX server components. The vulnerability demonstrates the importance of maintaining up-to-date security patches and implementing robust vulnerability management processes. Additionally, organizations should consider implementing intrusion detection systems and security information event management solutions to detect potential exploitation attempts. Regular security assessments and penetration testing should be conducted to identify similar vulnerabilities in other system components. According to NIST guidelines for vulnerability management, this vulnerability would require immediate remediation due to its high severity and the potential for remote code execution with root privileges, making it a critical priority for security teams to address.