CVE-2022-47341 in SC9863A
Summary
by MITRE • 02/12/2023
In engineermode services, there is a missing permission check. This could lead to local escalation of privilege with system execution privileges needed.
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Analysis
by VulDB Data Team • 03/10/2023
The vulnerability identified as CVE-2022-47341 resides within the engineermode services component where a critical missing permission check has been discovered. This flaw represents a significant security weakness that allows unauthorized local users to escalate their privileges to system level execution rights. The vulnerability specifically affects systems where engineer mode services are operational and accessible, creating an attack vector that can be exploited by malicious actors with local access to the system.
From a technical perspective, the missing permission check indicates that the engineermode services are not properly validating user credentials or access rights before executing privileged operations. This type of vulnerability falls under the category of insufficient permission checks as defined by CWE-284, which occurs when a system fails to properly verify that an actor has adequate access rights before performing a sensitive operation. The flaw essentially allows any local user to bypass normal access controls that should restrict execution of privileged functions to authorized personnel only.
The operational impact of this vulnerability is severe and potentially catastrophic for affected systems. Local privilege escalation to system execution privileges provides attackers with complete control over the affected system, enabling them to modify system files, install malware, create persistent backdoors, and access sensitive data. This vulnerability can be exploited by any user with local access to the system, making it particularly dangerous in multi-user environments or systems where local access cannot be strictly controlled. The implications extend beyond simple privilege escalation as it can serve as a stepping stone for further lateral movement within a network infrastructure.
Security professionals should immediately implement mitigations including restricting local access to engineer mode services, implementing proper access controls and authentication mechanisms, and applying vendor patches when available. The ATT&CK framework categorizes this vulnerability under privilege escalation techniques, specifically T1068 which covers 'Exploitation for Privilege Escalation'. Organizations should also conduct comprehensive security audits to identify all instances of engineer mode services and ensure proper permission checks are implemented. Additionally, system administrators should consider implementing principle of least privilege configurations and regular security monitoring to detect potential exploitation attempts. The vulnerability highlights the critical importance of proper access control implementation and demonstrates how seemingly minor oversights in permission validation can lead to complete system compromise.