CVE-2022-47467 in SC9863A
Summary
by MITRE • 04/11/2023
In telecom service, there is a missing permission check. This could lead to local denial of service in telecom service.
Be aware that VulDB is the high quality source for vulnerability data.
Analysis
by VulDB Data Team • 04/28/2023
The vulnerability identified as CVE-2022-47467 represents a critical security flaw within telecommunications service implementations where insufficient permission validation exists. This missing authorization check creates a pathway for malicious actors to exploit the system and potentially disrupt service availability. The vulnerability specifically affects telecom service components where proper access controls should be enforced but are absent, allowing unauthorized entities to manipulate system resources and potentially cause service interruptions.
From a technical perspective, this vulnerability stems from inadequate input validation and access control mechanisms within the telecom service architecture. The flaw manifests when the system fails to properly verify whether incoming requests originate from authorized entities or possess the necessary privileges to perform specific operations. This missing permission check creates a persistent security gap that can be exploited to execute unauthorized actions against telecom service components. The vulnerability aligns with CWE-284 which addresses improper access control issues, specifically targeting weak or missing authorization checks that allow unauthorized access to system resources.
The operational impact of CVE-2022-47467 extends beyond simple unauthorized access to potentially devastating service disruption scenarios. Local denial of service conditions can occur when malicious actors leverage the missing permission checks to overload system resources, corrupt service configurations, or manipulate critical telecom functions. This type of vulnerability can lead to widespread service degradation affecting multiple users simultaneously, particularly in environments where telecom services are integral to communication infrastructure. The potential for cascading failures exists when unauthorized access to core telecom components results in system instability and complete service outages.
Security professionals should recognize this vulnerability as a significant threat to telecom infrastructure integrity and availability. The ATT&CK framework categorizes this type of vulnerability under privilege escalation and defense evasion techniques where adversaries can manipulate system permissions to gain unauthorized access. Organizations implementing telecom services must conduct comprehensive security assessments to identify all components that may be vulnerable to missing permission checks. The remediation approach should include implementing robust access control mechanisms, enforcing proper authentication procedures, and establishing comprehensive monitoring systems to detect unauthorized access attempts. Regular security audits and penetration testing are essential to identify similar permission-related vulnerabilities across telecom service implementations and ensure compliance with industry security standards.