CVE-2023-42634 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-2023-42634 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 typically occurs when applications fail to properly validate user permissions before granting access to sensitive resources or data. The flaw specifically affects systems where validationtools is implemented, creating a scenario where unauthorized local access to information could occur without requiring additional execution privileges. The vulnerability represents a significant security concern as it undermines the principle of least privilege and could enable attackers to extract confidential data from systems where they already have local access.
The technical implementation of this vulnerability stems from inadequate authorization checks within the validationtools framework. When applications process validation requests, they should verify that the requesting entity has appropriate permissions before proceeding with data access operations. However, in this case, the validationtools component fails to perform these critical permission verifications, allowing local users to bypass normal access controls. This missing validation step creates an information exposure condition where sensitive data that should be restricted becomes accessible to any local user who can interact with the validationtools interface. The vulnerability operates at the application level and typically manifests when local users attempt to access validation-related functions or data without proper authorization.
From an operational perspective, this vulnerability poses a serious risk to system integrity and data confidentiality. Local information disclosure vulnerabilities are particularly concerning because they can be exploited by users who already have some level of access to the system, making them easier to leverage than remote attacks. The impact extends beyond simple data exposure as it could potentially enable further attacks or provide attackers with information needed to escalate privileges or conduct more sophisticated exploitation attempts. The fact that no additional execution privileges are required makes this vulnerability particularly dangerous as it can be exploited by users with minimal system access. This type of vulnerability often leads to cascading security issues where initial information disclosure can provide attackers with the foundation for more severe compromises.
Organizations should implement several mitigation strategies to address this vulnerability effectively. The primary remediation involves adding proper permission checks to all validationtools functions that handle sensitive data access. This includes implementing comprehensive authorization frameworks that validate user credentials and permissions before granting access to validation resources. Security patches should be applied immediately to update the validationtools component to versions that include proper permission validation mechanisms. Additionally, system administrators should conduct thorough access reviews to ensure that local users have only the minimum necessary permissions to perform their required tasks. The implementation of logging and monitoring for validationtools access can help detect potential exploitation attempts and provide forensic evidence for security incident response. This vulnerability aligns with CWE-284 which addresses improper access control issues, and could potentially map to ATT&CK techniques related to privilege escalation and credential access through local system exploitation. Organizations should also consider implementing network segmentation and access control policies to limit local access to systems where validationtools is deployed, reducing the potential attack surface for this type of vulnerability.