CVE-2019-0088 in System Support Utility
Summary
by MITRE
Insufficient path checking in Intel(R) System Support Utility for Windows before 2.5.0.15 may allow an authenticated user to potentially enable an escalation of privilege via local access.
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Analysis
by VulDB Data Team • 04/28/2020
The vulnerability identified as CVE-2019-0088 resides within Intel's System Support Utility for Windows, a diagnostic and support tool designed to provide system information and troubleshooting capabilities. This utility serves as a critical component for system administrators and technicians who rely on it for hardware diagnostics and system health monitoring. The flaw manifests in the utility's insufficient path validation mechanisms, which create a security weakness that can be exploited by authenticated users with local access to the system. The vulnerability affects versions prior to 2.5.0.15, indicating that Intel had not yet addressed this specific security gap in their software distribution.
The technical nature of this vulnerability stems from inadequate input validation and path traversal checks within the utility's file handling mechanisms. When the System Support Utility processes certain file operations or system paths, it fails to properly validate the absolute or relative paths provided by the user. This insufficient validation creates opportunities for path manipulation attacks where an authenticated user could potentially craft malicious file paths that bypass normal security boundaries. The vulnerability operates at the file system level, where the utility might execute operations on unintended files or directories due to the lack of proper path sanitization. This flaw aligns with common security weaknesses documented in CWE-22, which addresses improper limitation of a pathname to a restricted directory, also known as path traversal or directory traversal attacks.
The operational impact of this vulnerability extends beyond simple privilege escalation to encompass potential system compromise and unauthorized access to sensitive system resources. An authenticated user with local access to a system running the vulnerable version of Intel's System Support Utility could leverage this weakness to execute arbitrary code with elevated privileges. This escalation of privilege could allow attackers to modify system files, install malicious software, or access confidential data that would normally be protected by standard security controls. The attack vector requires local system access, making it less suitable for remote exploitation but still dangerous in environments where local access is possible or where users might be tricked into executing malicious commands through social engineering. This vulnerability particularly affects enterprise environments where system administrators might use the utility for routine maintenance tasks, creating potential attack surfaces that adversaries could exploit.
Mitigation strategies for CVE-2019-0088 primarily focus on updating to the patched version of Intel's System Support Utility, specifically version 2.5.0.15 or later. Organizations should implement comprehensive patch management procedures to ensure all systems running vulnerable software are updated promptly. Additional defensive measures include implementing least privilege principles where users have minimal necessary access rights, monitoring system logs for unusual file access patterns, and conducting regular security assessments of system utilities and diagnostic tools. Network segmentation and access controls can help limit potential exploitation by restricting local access to critical systems. Security professionals should also consider implementing application whitelisting policies that restrict execution of unauthorized software, particularly diagnostic utilities that might present similar vulnerabilities. The remediation process should include thorough testing of the updated utility to ensure compatibility with existing system configurations and administrative workflows. Organizations should also review their incident response procedures to ensure they can quickly detect and respond to potential exploitation attempts targeting similar path traversal vulnerabilities in other system components. This vulnerability serves as a reminder of the importance of proper input validation in all system components and the critical need for regular security updates in diagnostic and support utilities.