CVE-2022-48233 in SC9863A
Summary
by MITRE • 05/09/2023
In FM service , there is a possible missing params check. This could lead to local denial of service in FM service .
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Analysis
by VulDB Data Team • 01/29/2025
The vulnerability identified as CVE-2022-48233 resides within the FM service component where a critical parameter validation flaw exists that could potentially compromise system availability. This issue manifests as a missing parameters check that creates an avenue for exploitation leading to local denial of service conditions within the FM service environment. The FM service typically handles frequency management operations and is integral to maintaining proper system functionality across various operational domains.
The technical root cause of this vulnerability stems from inadequate input validation mechanisms within the FM service implementation. When parameters are not properly checked before processing, the service becomes susceptible to malformed or unexpected inputs that can cause the service to crash or become unresponsive. This missing validation creates a pathway for attackers to craft specific inputs that trigger the service to enter an invalid state, effectively rendering it unavailable to legitimate users and systems that depend on its functionality. The vulnerability operates at the service level where parameter validation should occur before any processing logic is executed, yet this critical step is omitted or improperly implemented.
From an operational impact perspective, local denial of service conditions can severely disrupt system operations and compromise the availability of frequency management services. When the FM service becomes unavailable, downstream systems that rely on proper frequency coordination may experience operational failures, potentially affecting communication networks, radio services, or other critical infrastructure components that depend on consistent frequency management. The local nature of this vulnerability means that exploitation requires access to the target system, but once achieved, the impact can be significant for system reliability and operational continuity. This type of vulnerability can be particularly concerning in environments where system uptime is critical for mission operations.
The vulnerability aligns with CWE-20, which describes "Improper Input Validation" as a fundamental weakness that occurs when software does not validate or incorrectly validates input data. This weakness can lead to various security issues including denial of service conditions, data corruption, and potential privilege escalation. In the context of the FM service, the missing parameter check represents a failure to implement proper input sanitization and validation before processing critical frequency management operations. From an ATT&CK framework perspective, this vulnerability could be categorized under T1499.004 for "Endpoint Denial of Service" or potentially T1566.001 for "Phishing" if exploitation involves crafting malicious inputs that could be delivered through social engineering vectors, though the local nature suggests direct system access is required for exploitation.
Mitigation strategies for CVE-2022-48233 should focus on implementing comprehensive parameter validation within the FM service codebase. System administrators should ensure that all input parameters are validated before processing, with appropriate error handling mechanisms to gracefully manage invalid inputs. The implementation should include input sanitization, type checking, and boundary validation to prevent malformed data from causing service disruptions. Regular security code reviews should be conducted to identify similar parameter validation gaps across the FM service and related components. Additionally, system monitoring should be enhanced to detect unusual service behavior that might indicate exploitation attempts, and automated alerting should be configured to notify administrators of potential denial of service conditions. Patch management procedures should be established to ensure timely deployment of vendor-provided fixes once available, and system hardening measures should be implemented to limit the attack surface and reduce the likelihood of successful exploitation attempts.