CVE-2022-48232 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-2022-48232 resides within the FM service component where a critical oversight in parameter validation has been discovered. This weakness represents a direct violation of fundamental security principles that should be enforced at every service interface to prevent unauthorized or malformed inputs from disrupting system operations. The missing parameter check creates an exploitable condition that allows attackers to manipulate service behavior through crafted input sequences.
From a technical perspective, the vulnerability manifests as a failure in input sanitization and validation mechanisms within the FM service. When the service processes incoming requests, it does not adequately verify that all required parameters are present and properly formatted before proceeding with execution. This gap in validation allows for potential manipulation of service flow through missing or malformed parameters, creating opportunities for service disruption. The vulnerability aligns with CWE-20, which specifically addresses "Improper Input Validation" and represents a classic example of insufficient parameter checking that can be exploited to cause unintended behavior.
The operational impact of this vulnerability extends beyond simple service disruption to potentially enable more sophisticated attacks. A local attacker with access to the FM service could leverage this weakness to trigger denial of service conditions that might affect service availability for legitimate users. The local nature of the attack vector suggests that the vulnerability may be exploitable by users who already have system access, potentially escalating privileges or causing system instability. This type of vulnerability can serve as a stepping stone for more comprehensive attacks, as it demonstrates the presence of weak input validation controls that may exist elsewhere in the service architecture.
The implications of CVE-2022-48232 align with ATT&CK technique T1499.004, which covers "Endpoint Denial of Service" and represents a direct threat to service availability. Organizations should consider this vulnerability as part of broader security hygiene practices that address both external and internal threats. The missing parameter validation creates a potential attack surface that could be exploited by adversaries seeking to disrupt service operations or gain further access to compromised systems. Security teams should prioritize this vulnerability in their remediation efforts, particularly in environments where FM service is actively used.
Mitigation strategies should focus on implementing comprehensive input validation at all service endpoints, including parameter presence checks, type validation, and boundary condition verification. The solution involves adding robust parameter validation logic that ensures all required inputs are present and correctly formatted before service processing begins. Organizations should also implement proper logging and monitoring of service requests to detect anomalous parameter usage patterns that might indicate exploitation attempts. Additionally, regular security assessments and code reviews should be conducted to identify similar parameter validation gaps in other service components, as this type of vulnerability often indicates broader architectural weaknesses in input handling mechanisms that require systematic remediation across the entire service ecosystem.