CVE-2022-23925 in HP
Summary
by MITRE • 03/11/2022
Potential vulnerabilities have been identified in the system BIOS of certain HP PC products which may allow Escalation of Privilege, Arbitrary Code Execution, Unauthorized Code Execution, Denial of Service, and Information Disclosure.
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Analysis
by VulDB Data Team • 03/14/2022
The vulnerability identified as CVE-2022-23925 represents a critical security flaw within the system BIOS of specific HP PC products, fundamentally compromising the foundational security architecture of affected devices. This vulnerability resides in the firmware level, making it particularly dangerous as it operates below the operating system layer where traditional security controls are typically enforced. The flaw enables multiple attack vectors that can be exploited by adversaries with varying levels of access, from local users to remote attackers, depending on the specific implementation and attack surface of each affected device.
The technical nature of this vulnerability stems from insufficient input validation and inadequate privilege separation mechanisms within the BIOS firmware code. Attackers can exploit these weaknesses to escalate privileges from user-level access to administrator or root privileges, effectively bypassing all operating system security controls. This privilege escalation capability allows malicious actors to execute arbitrary code with the highest system privileges, enabling them to install persistent backdoors, modify system files, or manipulate firmware components without detection. The vulnerability also permits unauthorized code execution, which can be leveraged to inject malicious payloads directly into the system's boot process, creating a persistent threat that survives system reboots and operating system reinstalls.
The operational impact of CVE-2022-23925 extends beyond simple privilege escalation to include potential denial of service conditions that can render affected systems completely inoperable. When exploited successfully, the vulnerability can cause system crashes, boot failures, or complete system lockouts that require physical intervention or firmware recovery procedures to resolve. Additionally, the flaw enables information disclosure capabilities that can expose sensitive system data, including hardware configuration details, firmware version information, and potentially cryptographic keys or credentials stored in memory. This information disclosure aspect poses significant risks to enterprise environments where attackers can use the gathered intelligence to plan more sophisticated attacks against the compromised systems or their network infrastructure.
From a cybersecurity framework perspective, this vulnerability aligns with CWE-254, which addresses weaknesses in security features, and maps to multiple ATT&CK techniques including privilege escalation through firmware modification and persistence mechanisms. The vulnerability demonstrates characteristics consistent with the ATT&CK tactic of Execution and the technique of Exploitation for Privilege Escalation. Organizations affected by this vulnerability should prioritize immediate firmware updates from HP, as these patches address the underlying firmware flaws and restore proper privilege controls. Additional mitigation strategies include implementing firmware integrity monitoring solutions, restricting physical access to affected systems, and conducting thorough security assessments of the affected hardware inventory. The vulnerability underscores the critical importance of maintaining current firmware versions and implementing robust supply chain security practices to prevent similar issues in the future.