CVE-2022-24932 in Setup Wizard
Summary
by MITRE • 03/10/2022
Improper Protection of Alternate Path vulnerability in Setup wizard process prior to SMR Mar-2022 Release 1 allows physical attacker package installation before finishing Setup wizard.
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Analysis
by VulDB Data Team • 03/14/2022
The vulnerability identified as CVE-2022-24932 represents a critical weakness in the setup wizard process of a system prior to the SMR March 2022 release. This flaw constitutes an improper protection of alternate paths, creating a window of opportunity for physical attackers to install malicious packages during the system initialization phase. The vulnerability exists specifically within the pre-setup wizard completion period, when the system's security controls are not yet fully enforced, allowing adversaries to exploit this temporal gap for unauthorized package installation.
The technical nature of this vulnerability stems from insufficient validation and protection mechanisms during the early boot or setup phase of the system. When the setup wizard process is active but not yet complete, the system maintains a state where alternate execution paths remain unprotected, enabling attackers with physical access to deploy malicious software. This weakness directly relates to CWE-284 which addresses improper access control and improper privilege management. The flaw essentially creates a race condition between the system's security initialization process and the potential for unauthorized package installation, where the window of vulnerability exists until the setup wizard completes its configuration sequence.
From an operational perspective, this vulnerability poses significant risks to system integrity and security posture. Physical attackers with access to the device during the setup phase can install malicious packages that may persist beyond the initial setup process, potentially compromising the entire system. The attack vector leverages physical access, which aligns with ATT&CK technique T1547.001 for registry run keys and T1068 for local privilege escalation. The impact extends beyond simple package installation as these malicious packages could establish persistence mechanisms, create backdoors, or serve as launching points for further attacks. The vulnerability is particularly concerning because it operates at a fundamental system level where security controls are minimal or non-existent, making it difficult to detect and prevent through traditional network-based security measures.
The recommended mitigations for this vulnerability involve implementing robust access controls and package validation mechanisms during the setup wizard process. Organizations should ensure that all system setup processes enforce strict package verification and authentication before any installation occurs. The most effective approach includes implementing secure boot mechanisms, ensuring that the setup wizard process validates all packages against trusted repositories, and establishing proper access controls that prevent unauthorized physical access during critical system initialization phases. Additionally, system administrators should implement firmware-level protections and ensure that all devices are updated to the SMR March 2022 release or later, which contains the necessary security patches to address this vulnerability. The mitigation strategy should also include regular security audits to identify any remaining gaps in the setup process and implement continuous monitoring for unauthorized package installations during system initialization.