CVE-2022-47343 in SC9863A
Summary
by MITRE • 02/12/2023
In engineermode services, there is a missing permission check. This could lead to local denial of service in engineermode services.
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Analysis
by VulDB Data Team • 03/10/2023
The vulnerability identified as CVE-2022-47343 resides within the engineermode services component where a critical missing permission check has been discovered. This flaw represents a significant security weakness that undermines the integrity of the system's access control mechanisms. The engineermode services typically operate with elevated privileges and are designed to provide specialized functionality for system administrators and engineers. When permission checks are absent or improperly implemented, the system fails to verify whether a requesting entity has the appropriate authorization level to access specific services or execute particular operations.
The technical nature of this vulnerability falls under the category of insufficient authorization checks, which is classified as CWE-284 in the Common Weakness Enumeration catalog. This weakness occurs when a system does not properly verify that an actor has adequate permissions to perform a requested operation. The absence of proper permission validation creates a pathway for unauthorized access attempts that could potentially escalate to more severe security incidents. In the context of engineermode services, this missing check could allow any local user to manipulate or interfere with critical system functions that should only be accessible to authorized personnel with appropriate privileges.
From an operational impact perspective, this vulnerability creates a local denial of service scenario that can severely disrupt system functionality. When local users can bypass permission controls, they may be able to terminate critical processes, modify system configurations, or otherwise interfere with the normal operation of engineermode services. The denial of service aspect means that legitimate system operations could be disrupted or completely halted, potentially affecting system availability and reliability. This vulnerability is particularly concerning because it operates at the local level, meaning that any user with access to the system could exploit it without requiring external network access or complex attack vectors.
The exploitation of this vulnerability aligns with several techniques described in the MITRE ATT&CK framework, particularly those related to privilege escalation and defense evasion. Attackers could leverage this weakness to gain unauthorized access to engineering mode services, potentially leading to further compromise of the system. The local nature of the vulnerability means that attackers do not need to overcome network-based security controls, making the exploitation more straightforward and increasing the likelihood of successful attacks. Organizations with systems running affected engineermode services should consider this vulnerability as a potential entry point for more sophisticated attacks that could ultimately lead to full system compromise.
Mitigation strategies for CVE-2022-47343 should focus on implementing proper permission checks and access controls within the engineermode services. System administrators should ensure that all services operating in engineering mode properly validate user credentials and authorization levels before granting access to sensitive functions. The implementation of least privilege principles is essential, ensuring that only authorized personnel with legitimate business needs can access these specialized services. Regular security audits and code reviews should be conducted to identify and remediate similar permission check vulnerabilities throughout the system. Additionally, organizations should consider implementing monitoring solutions that can detect unauthorized access attempts to engineering mode services, providing early warning capabilities that can help prevent exploitation of this vulnerability.