CVE-2022-39103 in SC9863A
Summary
by MITRE • 10/14/2022
In Gallery service, there is a missing permission check. This could lead to local denial of service in Gallery service with no additional execution privileges needed.
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Analysis
by VulDB Data Team • 06/27/2026
The vulnerability identified as CVE-2022-39103 resides within the gallery service component of a software system, representing a critical security flaw that stems from inadequate permission validation mechanisms. This missing permission check creates an exploitable condition where unauthorized local entities can manipulate the gallery service functionality, potentially leading to service disruption. The vulnerability specifically affects the gallery service's ability to properly authenticate and authorize access requests, allowing any local user to potentially trigger denial of service conditions without requiring elevated privileges or additional malicious execution capabilities.
From a technical perspective, the flaw manifests as a failure in the access control implementation within the gallery service subsystem. The service lacks proper authorization checks before processing certain operations, enabling local users to submit requests that should be restricted to authorized personnel or system processes. This weakness aligns with CWE-284, which addresses improper access control issues in software systems. The vulnerability exploits the fundamental principle of least privilege by allowing unauthorized operations that should be gated through proper permission validation mechanisms. The absence of these checks creates a pathway for local users to disrupt normal service operations through carefully crafted requests that target the gallery service's internal processing functions.
The operational impact of CVE-2022-39103 extends beyond simple service disruption, as it represents a potential vector for broader system compromise. Local denial of service conditions can significantly impact user experience and system availability, particularly in environments where gallery services are critical components of the overall application infrastructure. Attackers can leverage this vulnerability to exhaust system resources, crash service processes, or prevent legitimate users from accessing gallery functionality. This type of vulnerability can be particularly damaging in enterprise environments where gallery services might be used for document management, media sharing, or other business-critical operations. The low privilege requirement for exploitation means that even unprivileged local users can potentially cause service degradation, making this vulnerability particularly concerning from a security operations standpoint.
Security mitigation strategies for CVE-2022-39103 should focus on implementing robust access control mechanisms within the gallery service component. The primary fix involves adding comprehensive permission checks before allowing any operations to proceed, ensuring that only authorized entities can interact with critical gallery service functions. Organizations should implement proper input validation and access control lists that enforce strict authorization protocols for all gallery service operations. This remediation approach aligns with ATT&CK technique T1068, which addresses local privilege escalation and unauthorized access to system resources. System administrators should also consider implementing monitoring and alerting mechanisms to detect anomalous access patterns that might indicate exploitation attempts. The vulnerability demonstrates the importance of defense in depth principles, where multiple layers of security controls are necessary to prevent unauthorized access and maintain system integrity. Regular security assessments and code reviews should be conducted to identify similar permission check gaps in other system components, as this vulnerability represents a common pattern in software security flaws that can be addressed through proper development practices and security testing procedures.