Source: cve@mitre.org
Vulnerability in Vue 3.0 in HP 9.x allows local users to gain root privileges, as fixed by PHSS_4038, PHSS_4055, and PHSS_4066.
HP-UX systems running Vue 3.0 are vulnerable to a local privilege escalation, allowing attackers to gain root access. This vulnerability, fixed by specific HP patches, could be exploited to compromise the entire system. Successful exploitation grants attackers complete control, potentially leading to data breaches and system outages.
Step 1: Vulnerability Trigger: A local user interacts with the Vue 3.0 component on the HP-UX system. This interaction could involve a specific command, configuration change, or other action within the Vue environment.
Step 2: Exploitation: The attacker crafts a malicious input or action designed to exploit the vulnerability. The exact nature of the exploit depends on the underlying flaw (e.g., a crafted command, a specially formatted file).
Step 3: Privilege Escalation: The crafted input causes Vue 3.0 to execute code with elevated privileges, typically root. This could involve overwriting a critical system file, executing a shell with root permissions, or modifying system configurations.
Step 4: System Compromise: The attacker, now with root privileges, gains complete control of the system. This allows them to access sensitive data, install malware, or disrupt system operations.
The vulnerability lies within the Vue 3.0 component on HP-UX systems. The exact nature of the flaw is not explicitly stated in the CVE description, but the context suggests a privilege escalation. This likely involves a flaw in how Vue handles user input, permissions, or system calls. The fix implemented in PHSS_4038, PHSS_4055, and PHSS_4066 suggests a code modification that addresses the underlying vulnerability. Without more details, it's impossible to pinpoint the exact root cause, but common causes for privilege escalation include improper input validation, insecure file permissions, or flawed access control lists (ACLs). It is also possible that a buffer overflow or format string vulnerability could be present.
Given the age of the vulnerability, it is unlikely to be actively targeted by sophisticated APTs. However, it could be exploited by less sophisticated actors or used as part of a broader attack chain. It is unlikely to be listed on the CISA KEV due to its age and the fact that it is specific to a legacy operating system.
Monitor system logs for unusual activity related to Vue 3.0 processes.
Analyze system calls made by Vue 3.0 processes for suspicious behavior.
Check for unauthorized changes to system files or configurations.
Examine network traffic for any unusual communication patterns originating from the affected systems.
Review system audit logs for successful privilege escalation attempts.
Apply the HP-UX patches PHSS_4038, PHSS_4055, and PHSS_4066 to the affected systems.
If patching is not possible, isolate affected systems from the network.
Implement strict access controls to limit user privileges.
Regularly audit system configurations and user accounts.
Implement a robust intrusion detection and prevention system (IDPS).
Consider migrating to a supported operating system version.