CVE-2023-42643 in SC7731E
Summary
by MITRE • 11/01/2023
In validationtools, there is a possible missing permission check. This could lead to local information disclosure with no additional execution privileges needed
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Analysis
by VulDB Data Team • 11/29/2023
The vulnerability identified as CVE-2023-42643 resides within the validationtools component where a missing permission check has been discovered. This flaw represents a significant security concern as it allows for unauthorized access to sensitive information without requiring any additional execution privileges. The vulnerability falls under the category of insufficient permission checks, which is classified as CWE-284 according to the Common Weakness Enumeration standards. The validationtools component typically handles various validation processes and data processing tasks, making it a critical element in system security infrastructure.
The technical nature of this vulnerability stems from inadequate access control mechanisms within the validationtools framework. When the system performs validation operations, it fails to properly verify whether the requesting entity has appropriate authorization levels to access certain data or resources. This missing permission verification creates an avenue for local information disclosure, where malicious actors or compromised processes can retrieve sensitive data that should be restricted to authorized users only. The vulnerability does not require any special execution privileges or elevated permissions to exploit, making it particularly dangerous as it can be leveraged by any local user or process with basic system access.
The operational impact of CVE-2023-42643 extends beyond simple information disclosure, as it can potentially expose sensitive system data, configuration details, or user information that could be valuable for further attacks. Attackers could use this vulnerability to gather intelligence about system configurations, user accounts, or application data that should remain protected. This type of vulnerability aligns with ATT&CK technique T1083 (File and Directory Discovery) and T1213 (Data from Information Repositories) as it enables unauthorized access to system information. The local nature of the information disclosure means that even systems with strong network security controls could be compromised if local access is obtained by an attacker.
Mitigation strategies for this vulnerability should focus on implementing proper access control measures and permission validation within the validationtools component. System administrators should ensure that all validation processes properly verify user credentials and authorization levels before granting access to sensitive data. The recommended approach includes implementing mandatory access controls, regular permission audits, and ensuring that the validationtools component enforces strict authorization checks for all operations. Organizations should also consider implementing principle of least privilege configurations and conducting regular security assessments to identify and remediate similar permission-related vulnerabilities. Updates and patches provided by the software vendors should be applied immediately to address this security flaw and prevent potential exploitation.