CVE-2023-42633 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-2023-42633 resides within the validationtools component where a missing permission check has been discovered that could potentially allow for local information disclosure. This type of vulnerability falls under the category of insufficient access control mechanisms and is classified as a weakness in the software's authorization framework. The flaw exists in the validationtools module which suggests it is part of a broader validation or verification system that may be used across various applications or services requiring input validation.
The technical implementation of this vulnerability stems from the absence of proper permission validation within the validationtools component. When the system processes validation requests or operations, it fails to verify whether the requesting entity has appropriate authorization levels to access or retrieve specific information. This missing authorization check creates a path where unauthorized local entities can potentially access sensitive data that should be restricted to authorized users or processes. The vulnerability does not require additional execution privileges, meaning that any local user or process with basic system access could exploit this weakness.
From an operational perspective, this vulnerability poses significant risks to system security and data integrity. Local information disclosure can lead to exposure of sensitive configuration data, user credentials, system parameters, or other confidential information that could be leveraged by malicious actors for further exploitation. The impact extends beyond simple data exposure as this information could be used to conduct more sophisticated attacks such as privilege escalation or lateral movement within the system. The vulnerability's local nature means it could be exploited by malware or compromised processes running on the same system, making it particularly concerning for environments where multiple applications or services share the same host.
The weakness manifests as a failure in the principle of least privilege enforcement, which is a fundamental security concept that restricts system access to the minimum necessary permissions. This vulnerability directly contradicts the security principle that access controls should be implemented at multiple levels of the system architecture. The missing permission check represents a gap in the security model that allows unauthorized access to resources that should be protected. According to CWE classification, this vulnerability aligns with CWE-284 which describes improper access control, and it also relates to CWE-732 which covers incorrect permission assignment. The ATT&CK framework would categorize this under privilege escalation techniques where adversaries exploit insufficient access control mechanisms to gain unauthorized access to information.
Mitigation strategies for this vulnerability should focus on implementing proper authorization checks within the validationtools component. The most effective approach involves adding comprehensive permission validation before any information disclosure occurs, ensuring that all access requests are properly authenticated and authorized. System administrators should review and tighten access controls for the validationtools module, implementing role-based access control mechanisms where appropriate. Additionally, regular security audits and code reviews should be conducted to identify similar permission check gaps in other system components. The remediation process should include updating the validationtools module with proper access control mechanisms and ensuring that all system components follow established security best practices for authorization enforcement. Organizations should also consider implementing monitoring solutions to detect unauthorized access attempts and establish incident response procedures to address potential exploitation of this vulnerability.