CVE-2022-39113 in SC9863A
Summary
by MITRE • 10/14/2022
In Music service, there is a missing permission check. This could lead to local denial of service 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-2022-39113 resides within the music service component of a mobile operating system, specifically representing a critical authorization flaw that undermines the security model of the platform. This issue manifests as a missing permission check that allows unauthorized local processes to manipulate core music service functionality. The vulnerability is particularly concerning because it enables a local denial of service condition without requiring any elevated privileges or additional execution capabilities from the attacker, making it accessible to any application running on the device with minimal technical expertise.
The technical flaw stems from insufficient access control mechanisms within the music service implementation, where the system fails to properly validate whether incoming requests originate from authorized processes or legitimate users. This missing permission check creates a pathway for malicious applications to interfere with music service operations, potentially causing the service to crash or become unresponsive. The vulnerability aligns with CWE-284, which specifically addresses improper access control issues, and represents a classic example of how inadequate privilege validation can lead to service disruption. From an operational perspective, this flaw enables attackers to leverage the music service as an attack vector for denial of service attacks, potentially affecting user experience and system stability while remaining undetected by standard security monitoring mechanisms.
The operational impact of CVE-2022-39113 extends beyond simple service disruption to potentially compromise the overall integrity of the device's multimedia ecosystem. Attackers can exploit this vulnerability to repeatedly crash the music service, forcing users to restart applications or reboot devices to restore normal functionality. This type of local denial of service attack can be particularly frustrating for end users and may be leveraged by malicious actors to create persistent disruptions. The vulnerability also presents opportunities for further exploitation, as demonstrated by ATT&CK technique T1499.001 which covers denial of service attacks, potentially allowing threat actors to escalate their attacks by combining this flaw with other system weaknesses. The lack of additional execution privileges required for exploitation means that even sandboxed applications can leverage this vulnerability, making it particularly dangerous in environments where multiple applications share system resources.
Mitigation strategies for CVE-2022-39113 should focus on implementing comprehensive access control validation within the music service component, ensuring that all incoming requests undergo proper authorization checks before processing. System administrators and device manufacturers should prioritize applying security patches that enforce strict permission validation, particularly for inter-process communication within the music service framework. Additionally, implementing runtime monitoring and anomaly detection for music service processes can help identify unauthorized access attempts and prevent exploitation. The vulnerability highlights the importance of maintaining robust access control mechanisms throughout system components and demonstrates how seemingly minor permission oversights can lead to significant service disruption. Security teams should also consider implementing application whitelisting policies and regular security audits to identify similar permission gaps in other system services that could be exploited in similar manners.