CVE-2023-33880 in SC9863A
Summary
by MITRE • 07/12/2023
In music service, there is a 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 • 08/02/2023
The vulnerability identified as CVE-2023-33880 resides within a music service component where a critical permission check has been omitted, creating a significant security gap that allows for unauthorized information disclosure. This missing authorization mechanism represents a fundamental flaw in the service's access control implementation, potentially exposing sensitive data to any local user who can interact with the affected system. The vulnerability is classified as a missing permission check, which aligns with CWE-284, an issue that occurs when a system fails to properly verify that an actor has sufficient privileges to perform a requested operation.
The technical nature of this flaw means that attackers do not require any elevated execution privileges or specialized tools to exploit the vulnerability. This characteristic significantly increases the attack surface and makes the vulnerability particularly dangerous as it can be leveraged by any local user with basic system access. The music service likely handles various types of data including user preferences, playback history, media metadata, and potentially personal information that could be accessed through this unauthorized channel. The absence of proper permission validation creates a path where unauthorized data access can occur without additional privilege escalation, making this a straightforward exploitation vector.
From an operational impact perspective, this vulnerability could result in substantial data leakage that compromises user privacy and potentially exposes sensitive information that could be used for further attacks or malicious activities. The local information disclosure could include personal music preferences, user account details, device configurations, or other metadata that might be valuable to threat actors. The vulnerability's accessibility without additional execution privileges means that even casual users with basic system access could potentially exploit this flaw, making it a serious concern for organizations that rely on music services for entertainment or productivity purposes.
Security practitioners should prioritize this vulnerability for remediation as it represents a clear violation of the principle of least privilege and could enable broader compromise scenarios. The recommended mitigation involves implementing proper access control checks throughout the music service, ensuring that all data access operations are properly validated against user permissions and roles. This approach aligns with the ATT&CK framework's concept of privilege escalation and credential access techniques, where unauthorized information disclosure represents a critical step in potential attack chains. Organizations should also consider implementing monitoring and logging mechanisms to detect unauthorized access attempts and establish proper audit trails for sensitive data interactions. The fix should include comprehensive permission validation across all service interfaces and ensure that proper authentication and authorization mechanisms are enforced before any data access is granted.