CVE-2023-42642 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-2023-42642 resides within the validationtools component and represents a critical permission validation flaw that undermines the security posture of affected systems. This issue manifests as a missing permission check during validation operations, creating an avenue for unauthorized information disclosure. The vulnerability is particularly concerning because it requires no additional execution privileges to exploit, meaning that any local user with basic system access can potentially leverage this flaw to gain unauthorized access to sensitive information. The validationtools component typically handles critical validation processes within system architectures, making this vulnerability particularly dangerous as it could expose sensitive validation data or system configurations to unauthorized parties. The flaw falls under the category of insufficient authorization checks, which is classified as CWE-284 according to the Common Weakness Enumeration standards, highlighting the fundamental failure in access control mechanisms.
The technical implementation of this vulnerability stems from inadequate validation of user permissions during critical validation operations within the validationtools framework. When the system performs validation checks, it fails to properly verify whether the requesting user possesses the necessary authorization levels to access the validated information. This missing permission verification occurs at multiple points within the validation process, creating several potential attack vectors. Attackers can exploit this by simply executing standard validation operations that should normally be restricted to privileged users. The vulnerability is particularly insidious because it operates at the validation layer, where systems typically expect to find robust security controls. The lack of proper access control enforcement means that even routine validation activities can become vehicles for information disclosure, as the system does not adequately distinguish between authorized and unauthorized access attempts. This flaw aligns with ATT&CK technique T1068 which describes the use of local privilege escalation techniques, though in this case the exploitation requires no privilege escalation as the vulnerability itself creates the unauthorized access path.
The operational impact of CVE-2023-42642 extends beyond simple information disclosure, as the compromised validationtools component may contain sensitive system data, configuration parameters, or validation results that could be used to further compromise the system. Local information disclosure through this vulnerability could reveal system architecture details, validation rules, or other sensitive operational data that attackers could leverage for more sophisticated attacks. The absence of additional execution privileges required for exploitation makes this vulnerability particularly attractive to threat actors as it reduces the complexity and risk associated with the attack. Organizations may face significant security implications when this vulnerability is present, as it could lead to exposure of internal system configurations, validation processes, or data that should remain protected. The vulnerability could also potentially enable attackers to identify system weaknesses or misconfigurations that could be exploited in subsequent attack phases, making it a valuable reconnaissance tool in broader attack campaigns.
Mitigation strategies for CVE-2023-42642 should focus on implementing robust permission validation mechanisms within the validationtools component. Organizations should immediately review and strengthen access control policies to ensure that all validation operations properly verify user authorization levels before providing access to sensitive information. The implementation of proper authorization checks should be enforced at every validation point within the system, ensuring that only appropriately privileged users can access validation results or system configuration data. System administrators should conduct comprehensive audits of validationtools configurations to identify any potential unauthorized access paths. Additionally, organizations should implement monitoring and logging mechanisms to detect unauthorized validation attempts that may indicate exploitation of this vulnerability. Patch management procedures should be prioritized to ensure that the latest security updates addressing this vulnerability are deployed across all affected systems. The remediation process should include thorough testing to ensure that permission validation controls function correctly without disrupting legitimate system operations. Security teams should also consider implementing network segmentation and access controls to limit local user access where possible, reducing the attack surface for this type of vulnerability. Regular security assessments should be conducted to identify similar permission validation flaws within other system components, as this represents a common pattern of security control failures that could exist in other areas of the system architecture.