CVE-2001-1506 in Secure OS
Summary
by MITRE
Unknown vulnerability in the file system protection subsystem in HP Secure OS Software for Linux 1.0 allows additional user privileges on some files beyond what is specified in the file system protection rules, which allows local users to conduct unauthorized operations on restricted files.
Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.
Analysis
by VulDB Data Team • 04/10/2019
The vulnerability identified as CVE-2001-1506 resides within the file system protection subsystem of HP Secure OS Software for Linux 1.0, representing a critical authorization flaw that undermines the security model of the operating system. This issue manifests as an improper access control mechanism that permits local users to bypass established file system protection rules, thereby gaining unauthorized access to restricted files and resources. The vulnerability exploits a fundamental weakness in the privilege management system where the security policies intended to protect sensitive data are not properly enforced, creating a pathway for privilege escalation and unauthorized data manipulation.
The technical implementation of this flaw involves a breakdown in the file system protection subsystem's ability to properly enforce access controls and privilege boundaries. The vulnerability occurs when the system fails to correctly validate user permissions against the established protection rules, allowing authenticated local users to perform operations on files that should be restricted based on their security context. This represents a classic case of insufficient authorization checking where the system does not properly verify whether a user has the necessary privileges to access or modify specific files within the protected environment. The flaw operates at the kernel level or system call interface where file access decisions are made, potentially allowing users to bypass mandatory access controls that should prevent such unauthorized operations.
From an operational impact perspective, this vulnerability creates a significant security risk for organizations relying on HP Secure OS Software for Linux 1.0, as it enables local users to access sensitive information and potentially modify critical system files. The unauthorized operations that become possible through this vulnerability can lead to data breaches, system compromise, and the potential for further privilege escalation attacks. Attackers could leverage this flaw to access confidential data, modify system configurations, or establish persistent access to restricted resources, all while operating within the legitimate security boundaries of the system. The impact extends beyond simple data access, as this vulnerability could enable attackers to subvert the entire security architecture of the system by exploiting the underlying file protection mechanisms.
Security practitioners should consider this vulnerability in the context of the broader ATT&CK framework, specifically under the techniques related to privilege escalation and defense evasion. The vulnerability aligns with CWE-284 which describes improper access control, and represents a failure in the system's ability to maintain proper access control boundaries. Organizations should implement immediate mitigations including applying available patches from HP, restricting local user access where possible, and conducting thorough security assessments of the file system protection rules. The remediation process should involve verifying that all file system protection policies are properly enforced and that the subsystem correctly validates user privileges against established security contexts. Additionally, monitoring for unauthorized file access attempts and implementing proper audit logging can help detect exploitation attempts and provide forensic evidence of potential compromise.
This vulnerability demonstrates the critical importance of proper access control implementation in security operating systems and highlights the potential consequences when such controls fail. The flaw represents a fundamental breakdown in the security model of HP Secure OS Software for Linux 1.0, where the protection mechanisms designed to safeguard sensitive data and system integrity are insufficiently enforced. The long-term implications suggest that organizations should consider migrating away from vulnerable legacy systems and implementing more robust security frameworks that properly enforce mandatory access controls. The vulnerability also underscores the necessity of comprehensive security testing and validation of protection mechanisms before deployment in production environments, particularly in systems where security is paramount and unauthorized access could result in significant operational and financial consequences.