CVE-2001-0266 in HP-UX
Summary
by MITRE
Vulnerability in Software Distributor SD-UX in HP-UX 11.0 and earlier allows local users to gain privileges.
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Analysis
by VulDB Data Team • 08/27/2019
The vulnerability identified as CVE-2001-0266 resides within the Software Distributor SD-UX component of Hewlett-Packard's HP-UX operating system versions 11.0 and earlier. This flaw represents a local privilege escalation vulnerability that enables attackers with limited user access to elevate their privileges to root level within the system. The Software Distributor SD-UX is a critical system component responsible for managing software packages and their installation processes on HP-UX systems, making it a prime target for exploitation by malicious actors seeking system control.
The technical nature of this vulnerability stems from improper privilege handling within the SD-UX software distribution mechanism. Specifically, the flaw occurs when the system fails to properly validate or restrict access to certain administrative functions during software package installation or management operations. This weakness allows local users to manipulate the software distribution process in a manner that bypasses normal access controls and privilege boundaries. The vulnerability is classified under CWE-264 as "Permissions, Privileges, and Access Controls" and represents a classic case of insufficient privilege separation in system components. Attackers can exploit this by leveraging the flawed software distribution functionality to execute malicious code with elevated privileges, effectively gaining root access to the compromised system.
The operational impact of CVE-2001-0266 extends beyond simple privilege escalation, as it fundamentally compromises the security model of HP-UX systems running vulnerable versions. Once successfully exploited, attackers can gain complete control over the affected system, enabling them to modify critical system files, install backdoors, monitor network traffic, and access sensitive data without detection. The vulnerability affects systems where users have legitimate access to the Software Distributor SD-UX functionality, which is common in enterprise environments where multiple users interact with system administration tools. This makes the vulnerability particularly dangerous in shared or multi-user environments where local access is not strictly controlled.
Mitigation strategies for this vulnerability require immediate system updates and patches provided by Hewlett-Packard to address the privilege escalation flaw in SD-UX. System administrators should prioritize upgrading to HP-UX versions that contain the necessary security fixes, as these patches typically include enhanced access control mechanisms and proper privilege validation for software distribution operations. Additionally, implementing the principle of least privilege should be enforced by restricting local user access to software distribution tools and monitoring system logs for suspicious activity related to package management operations. The vulnerability aligns with ATT&CK technique T1068 which covers "Local Privilege Escalation" and represents a common attack vector that security professionals should monitor for in legacy HP-UX environments. Organizations should also consider implementing network segmentation and access controls to limit potential exploitation opportunities, while maintaining regular vulnerability assessments to identify similar weaknesses in other system components.