CVE-2023-52106 in HarmonyOS
Summary
by MITRE • 01/16/2024
The DownloadProviderMain module has a vulnerability in API permission verification. Successful exploitation of this vulnerability may affect integrity and availability.
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Analysis
by VulDB Data Team • 09/04/2024
The vulnerability identified as CVE-2023-52106 resides within the DownloadProviderMain module of a software system, representing a critical weakness in the application's access control mechanisms. This flaw specifically targets the API permission verification process, which serves as a fundamental security barrier preventing unauthorized access to sensitive system resources. The DownloadProviderMain module typically handles file download operations and manages system interactions related to content retrieval, making it a prime target for attackers seeking to compromise system integrity and availability. The vulnerability manifests when the system fails to properly validate user permissions before executing API calls, creating an avenue for malicious actors to bypass established security controls.
From a technical perspective, this vulnerability stems from inadequate input validation and permission checking within the API interface of the DownloadProviderMain module. The flaw likely involves insufficient authorization checks that allow unauthenticated or improperly authenticated users to invoke privileged operations. This type of vulnerability aligns with CWE-285, which addresses improper authorization issues in software systems, and represents a classic example of how weak access control can lead to system compromise. The vulnerability's impact extends beyond simple unauthorized access, as successful exploitation can result in data corruption, system instability, and potential denial of service conditions that affect both data integrity and system availability.
The operational implications of CVE-2023-52106 are significant, particularly in environments where download functionality is heavily utilized and sensitive data is frequently processed. Attackers could leverage this vulnerability to modify download configurations, inject malicious content into download streams, or disrupt download services entirely. The integrity compromise aspect means that downloaded files could be altered during transit or storage, potentially leading to the execution of malicious code on target systems. Availability impacts occur when attackers exploit the vulnerability to consume system resources or disable download services, effectively creating denial of service conditions. This vulnerability particularly affects systems that rely on automated download processes, enterprise content management platforms, and applications with extensive file handling capabilities.
Security professionals should implement immediate mitigations including strengthening API permission validation, implementing comprehensive access control lists, and conducting thorough code reviews of the DownloadProviderMain module. The recommended approach involves deploying proper authentication checks at every API endpoint, implementing role-based access controls, and establishing robust logging mechanisms to detect unauthorized access attempts. Organizations should also consider implementing network segmentation to limit access to the vulnerable module, applying the principle of least privilege to all system users, and conducting regular penetration testing to identify similar authorization flaws. Additionally, the vulnerability demonstrates the importance of following ATT&CK framework principles, specifically the use of privilege escalation techniques and credential access patterns that attackers might employ to exploit such permission verification weaknesses. System administrators should monitor for anomalous download patterns and implement automated alerts for suspicious API access attempts to detect exploitation attempts in real-time.