CVE-2022-37018 in HP
Summary
by MITRE • 12/12/2022
A potential vulnerability has been identified in the system BIOS for certain HP PC products which may allow escalation of privileges and code execution. HP is releasing firmware updates to mitigate the potential vulnerability.
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Analysis
by VulDB Data Team • 04/29/2025
The vulnerability identified as CVE-2022-37018 represents a critical security flaw within the basic input/output system firmware of specific HP personal computer models. This issue resides at the lowest level of system software architecture where firmware components interact directly with hardware resources, creating a potential attack surface that could be exploited by malicious actors with sufficient access privileges. The vulnerability affects the system's firmware implementation and specifically targets the privileged execution environment where BIOS components operate with elevated system permissions.
This vulnerability stems from improper validation of input parameters within the firmware code that processes system configuration and boot parameters. The flaw allows for potential privilege escalation by enabling unauthorized code execution within the firmware context where normal operating system security controls do not apply. The technical implementation appears to lack adequate input sanitization and access control mechanisms, creating a path for malicious code to be loaded and executed with the highest system privileges available to firmware components. This represents a fundamental breakdown in the security model of the system firmware, where the normal boundaries between user-space and kernel-space protections are bypassed.
The operational impact of this vulnerability extends beyond simple privilege escalation as it creates a persistent threat vector that remains active throughout the system's operational lifecycle. Once exploited, the malicious code could maintain persistence across system reboots and potentially allow attackers to modify core system components, bypass security features, and establish backdoors that remain undetectable by traditional endpoint protection mechanisms. The attack surface is particularly concerning given that firmware-level exploits can operate below the visibility of operating system security controls and are often not detected by standard security monitoring tools. This vulnerability aligns with CWE-20, which describes improper input validation, and represents a classic example of how firmware security gaps can create persistent threats that are difficult to detect and remediate.
The mitigation strategy for CVE-2022-37018 requires immediate implementation of firmware updates provided by HP, as these patches address the underlying validation flaws in the BIOS implementation. Organizations should prioritize deployment of these updates across all affected systems, particularly those in critical infrastructure environments where persistent threats could have severe consequences. The remediation process should include thorough testing of firmware updates to ensure compatibility with existing system configurations and avoid potential service disruptions. Security teams should also implement monitoring for unusual system behavior that might indicate exploitation attempts, though detection remains challenging due to the nature of firmware-level attacks that operate below the visibility of traditional security tools. This vulnerability demonstrates the critical importance of maintaining up-to-date firmware security patches and highlights the need for comprehensive firmware security management programs that address the often-overlooked but critical component of system security.