CVE-2013-6219 in HP-UX Whitelisting
Summary
by MITRE
Unspecified vulnerability in HP HP-UX Whitelisting (aka WLI) before A.01.02.02 on HP-UX B.11.31 allows local users to bypass intended access restrictions via unknown vectors.
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Analysis
by VulDB Data Team • 05/11/2026
The vulnerability identified as CVE-2013-6219 affects HP HP-UX Whitelisting (WLI) software version A.01.02.02 and earlier installations on HP-UX B.11.31 operating systems. This represents a significant security flaw within the access control mechanisms of the HP-UX operating system, specifically targeting the whitelisting functionality designed to restrict unauthorized software execution and system access. The unspecified nature of the vulnerability vectors suggests that multiple attack surfaces within the WLI implementation may be susceptible to exploitation, making this particularly concerning for security professionals tasked with defending against sophisticated attacks.
The technical flaw resides within the HP-UX Whitelisting component's inability to properly enforce access restrictions, creating potential pathways for local users to circumvent intended security controls. This vulnerability operates at the system level where legitimate users with local access can exploit weaknesses in the privilege enforcement mechanisms to gain unauthorized access to restricted resources or execute unauthorized operations. The WLI functionality is designed to create a trusted execution environment by controlling which applications and processes can run within the system, but this particular flaw undermines that fundamental security principle. The vulnerability's classification as a local privilege escalation issue aligns with common attack patterns where attackers leverage existing system access to elevate their privileges beyond what is intended by the security configuration.
The operational impact of this vulnerability extends beyond simple access bypass, potentially allowing attackers to compromise entire system integrity and confidentiality. Local users who can exploit this vulnerability may gain elevated privileges that enable them to access sensitive system files, modify critical configurations, or execute arbitrary code with higher privileges than initially granted. This creates a cascading security risk where initial unauthorized access can lead to full system compromise, particularly in environments where multiple users share the same system or where users may have legitimate local access but should not have elevated privileges. The implications are especially severe in enterprise environments where HP-UX systems may host critical business applications or sensitive data, as this vulnerability could allow attackers to move laterally within the network or establish persistent access points.
Mitigation strategies for this vulnerability should focus on immediate patch application from HP to update the WLI component to version A.01.02.02 or later, which would address the underlying access control implementation flaws. Organizations should also implement comprehensive monitoring of system access logs to detect anomalous privilege escalation attempts or unauthorized access patterns that might indicate exploitation of this vulnerability. The remediation process should include verification of the patch installation and confirmation that the whitelisting policies are properly enforced. Additionally, security teams should conduct thorough access reviews to ensure that local user privileges are appropriately constrained and that the principle of least privilege is maintained across all system components. From a compliance perspective, this vulnerability would likely trigger requirements under standards such as nist 800-53 and iso 27001, which mandate proper access control and privilege management. The vulnerability also maps to attack techniques within the mitre att&ck framework under privilege escalation and defense evasion tactics, emphasizing the need for robust endpoint protection and system integrity monitoring to prevent exploitation.
The broader implications of this vulnerability highlight the critical importance of maintaining up-to-date security controls in enterprise operating systems. HP-UX systems that rely on whitelisting for security enforcement represent a common pattern in enterprise security architectures where trusted application execution is controlled through policy enforcement. The vulnerability demonstrates how even well-intentioned security controls can become attack vectors when implementation flaws exist, underscoring the need for comprehensive security testing and validation of all security controls. Organizations should also consider implementing additional layers of security monitoring and access control validation to detect potential exploitation attempts, particularly focusing on local privilege escalation activities that may not be immediately obvious through standard security monitoring approaches.