Pulse Secure Client SetupService Directory Traversal Local Privilege Escalation Vulnerability. This vulnerability allows local attackers to escalate privileges on affected installations of Pulse Secure Client. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability.

The specific flaw exists within SetupService. The issue results from the lack of proper validation of a user-supplied path prior to using it in file operations. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of the service. Was ZDI-CAN-17687.

When a particular process flow is initiated, an attacker may be able to gain unauthorized elevated privileges on the affected system when having control over a specific file.

A logged in user can modify specific files that may lead to unauthorized changes in system-wide configuration settings. This vulnerability could be exploited to compromise the integrity and security of the network on the affected system.