CVE-2022-47337 in SC9863A
Summary
by MITRE • 04/11/2023
In media service, there is a missing permission check. This could lead to local denial of service in media service.
Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.
Analysis
by VulDB Data Team • 02/10/2025
The vulnerability identified as CVE-2022-47337 represents a critical security flaw within the media service component of a software system where a missing permission check creates an avenue for unauthorized local access. This issue falls under the category of inadequate access control mechanisms, which is classified as CWE-284 - Improper Access Control, and specifically manifests as a failure to properly validate user permissions before granting access to sensitive system resources. The media service in question likely handles multimedia processing, playback, or file management operations that require appropriate authorization levels to prevent malicious exploitation.
The technical implementation flaw occurs when the media service fails to perform necessary permission validation checks before executing operations that could potentially disrupt system functionality or access restricted resources. This missing validation creates a scenario where any local process or user can bypass intended access restrictions and potentially invoke denial of service conditions. The vulnerability operates at the system level where proper privilege separation should exist between different user contexts or application components, but instead allows unauthorized entities to escalate their privileges or manipulate service operations without proper authorization.
From an operational perspective, this vulnerability presents a significant risk for local denial of service attacks where an attacker could exploit the missing permission check to disrupt media service functionality, potentially causing system instability or complete service unavailability. The impact extends beyond simple service interruption as it could enable more sophisticated attacks that leverage the compromised media service as a foothold for further system compromise. This type of vulnerability is particularly concerning in environments where media services are integral to system operations or where they handle sensitive multimedia content that requires proper access controls.
The attack surface for this vulnerability is primarily local, meaning that exploitation requires physical or local system access, but the implications are severe as it could allow a low-privilege user or process to cause significant disruption to media service operations. Security frameworks such as the ATT&CK matrix would categorize this under privilege escalation or denial of service tactics where an adversary leverages weak access controls to gain unauthorized system access or disrupt service availability. Organizations should implement comprehensive permission validation mechanisms that enforce proper access control policies and regularly audit system components for missing authorization checks. Mitigation strategies should include immediate patch deployment, implementation of proper access control lists, and regular security assessments to identify similar permission-related vulnerabilities across the system infrastructure.
The root cause of this vulnerability demonstrates a fundamental failure in security design principles where proper authorization enforcement was not implemented or maintained within the media service component. This oversight could stem from inadequate security testing during development, insufficient code review processes, or missing security controls in the overall system architecture. The vulnerability's classification as a missing permission check aligns with common security weaknesses found in software development lifecycle processes that fail to incorporate proper access control mechanisms early in the development phase, resulting in runtime security failures that can be exploited by local attackers to compromise system availability and integrity.