CVE-2022-39110 in SC9863A
Summary
by MITRE • 10/14/2022
In Music service, there is a missing permission check. This could lead to elevation of privilege in Music service with no additional execution privileges needed.
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Analysis
by VulDB Data Team • 06/27/2026
The vulnerability identified as CVE-2022-39110 represents a critical permission bypass flaw within the music service component of a mobile operating system or application framework. This issue resides in the core service architecture where proper access controls have been omitted or incorrectly implemented, allowing unauthorized processes to escalate their privileges without requiring additional malicious execution capabilities. The missing permission check creates a fundamental security gap that undermines the principle of least privilege enforcement, which is a cornerstone of secure system design and a key requirement specified in the CWE-250 category for improper privilege management.
The technical nature of this vulnerability stems from the absence of proper authentication and authorization mechanisms within the music service subsystem. When applications or processes attempt to access protected functionality within the music service, the system fails to validate whether the requesting entity possesses the necessary permissions to perform such operations. This oversight enables malicious actors to exploit the service by leveraging the missing permission validation checks, potentially gaining elevated privileges that should be restricted to system-level components or authorized applications. The flaw operates at a foundational level where the service interface lacks proper access control enforcement, making it susceptible to privilege escalation attacks that do not require additional code execution or malicious payloads to achieve their objectives.
The operational impact of this vulnerability extends beyond simple privilege escalation, as it represents a significant threat to system integrity and user data protection. An attacker who successfully exploits this weakness could potentially access sensitive audio data, modify music library contents, manipulate playback functionality, or even gain access to underlying system resources that should remain protected. This vulnerability affects the overall security posture of the device or application, as it undermines the trust model that users expect from their mobile platforms. The implications are particularly severe in environments where the music service interfaces with other system components, as the privilege escalation could serve as a stepping stone for more extensive attacks, aligning with the ATT&CK technique T1068 for local privilege escalation and potentially leading to further exploitation pathways.
Security mitigations for this vulnerability require immediate implementation of proper permission validation mechanisms throughout the music service interface. System administrators and developers must ensure that all service endpoints enforce strict access controls and validate user permissions before granting access to protected functionality. The fix should implement comprehensive authorization checks that verify the calling process's credentials against established permission policies, incorporating proper role-based access control mechanisms. Additionally, regular security audits should be conducted to identify similar permission gaps in other system services, as this vulnerability represents a pattern that could exist in other components of the system architecture. The remediation process should follow secure coding practices that align with industry standards including OWASP Secure Coding Practices and NIST guidelines for secure system design, ensuring that all service interfaces properly enforce access controls and maintain proper privilege boundaries to prevent unauthorized escalation of privileges.