CVE-2022-3699 in HardwareScan Plugin
Summary
by MITRE • 10/25/2023
A privilege escalation vulnerability was reported in the Lenovo HardwareScanPlugin prior to version 1.3.1.2 and Lenovo Diagnostics prior to version 4.45 that could allow a local user to execute code with elevated privileges.
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Analysis
by VulDB Data Team • 11/15/2023
The vulnerability identified as CVE-2022-3699 represents a critical privilege escalation flaw within Lenovo's hardware diagnostics software ecosystem. This vulnerability specifically affects the Lenovo HardwareScanPlugin component and the Lenovo Diagnostics application, both of which are integral parts of Lenovo's system maintenance and diagnostic tools. The flaw exists in versions prior to 1.3.1.2 for HardwareScanPlugin and 4.45 for Lenovo Diagnostics, creating a persistent security risk for affected systems. The vulnerability allows local attackers to escalate their privileges and execute arbitrary code with elevated system permissions, fundamentally compromising the integrity of the affected systems.
The technical root cause of this vulnerability stems from improper privilege handling within the Lenovo diagnostic software components. The HardwareScanPlugin and Lenovo Diagnostics applications fail to properly validate or restrict access to privileged operations, creating an opportunity for local users to exploit this weakness. This type of flaw typically manifests when applications perform insufficient input validation or fail to implement proper access controls during privilege escalation operations. The vulnerability is classified under CWE-276, which addresses improper privilege management, and represents a classic case of insufficient privilege checking that allows unauthorized elevation of privileges.
From an operational perspective, the impact of CVE-2022-3699 is severe as it provides attackers with a pathway to gain system-level control through local execution. An attacker with standard user privileges can leverage this vulnerability to execute malicious code with administrator or root-level permissions, potentially leading to complete system compromise. This vulnerability aligns with ATT&CK technique T1068, which covers "Local Privilege Escalation," and can be exploited to establish persistent access or escalate to other attack vectors. The attack surface is particularly concerning because these diagnostic tools are often pre-installed on enterprise and consumer devices, making the vulnerability widespread and difficult to contain.
The mitigation strategy for this vulnerability requires immediate patching of affected Lenovo diagnostic software components to versions 1.3.1.2 or later for HardwareScanPlugin and 4.45 or later for Lenovo Diagnostics. Organizations should implement comprehensive inventory tracking to identify all affected systems and ensure timely deployment of security updates. System administrators should also consider implementing additional security controls such as application whitelisting, restricted user permissions, and monitoring for suspicious privilege escalation activities. The vulnerability demonstrates the importance of securing diagnostic and maintenance tools, as these applications often require elevated privileges to function correctly and represent attractive targets for attackers seeking persistent access to systems. Regular security assessments and vulnerability management processes should include verification of diagnostic tool versions to prevent exploitation of similar privilege escalation flaws in other Lenovo software components.