CVE-2023-39397 in EMUI
Summary
by MITRE • 08/13/2023
Input parameter verification vulnerability in the communication system. Successful exploitation of this vulnerability may affect availability.
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Analysis
by VulDB Data Team • 10/10/2024
This vulnerability represents a critical input parameter verification flaw within a communication system's architecture that fundamentally undermines the integrity of data processing mechanisms. The weakness occurs at the point where external inputs are validated and processed, creating a potential entry point for malicious actors to disrupt system operations. Such vulnerabilities typically arise when input validation routines fail to properly sanitize or verify the legitimacy of parameters before they are utilized in system operations, leaving the communication infrastructure susceptible to various forms of exploitation that can compromise system availability.
The technical implementation of this vulnerability stems from inadequate parameter validation controls that allow malformed or unexpected inputs to traverse the system's processing pipeline without proper sanitization. This flaw enables attackers to craft malicious inputs that can cause the communication system to behave unpredictably, potentially leading to resource exhaustion, service disruption, or complete system failure. The vulnerability operates at the intersection of input handling and system resilience, where the absence of robust validation mechanisms creates opportunities for exploitation that can cascade into broader availability issues.
From an operational perspective, the impact of this vulnerability extends beyond simple service disruption to potentially compromise the entire communication infrastructure's reliability and trustworthiness. When exploited successfully, the vulnerability can result in denial of service conditions that affect legitimate users and systems dependent on the communication pathways. The availability compromise manifests through various mechanisms including but not limited to system crashes, resource depletion, or the inability to process legitimate communication requests, thereby undermining the fundamental service delivery capabilities of the affected system.
The vulnerability aligns with CWE-20, which specifically addresses improper input validation as a core weakness in software systems, and demonstrates characteristics consistent with ATT&CK technique T1499.004 related to network denial of service attacks. Organizations should implement comprehensive input validation controls including parameterized queries, input sanitization routines, and robust error handling mechanisms to mitigate this risk. Additionally, regular security assessments, code reviews focusing on input handling, and deployment of intrusion detection systems can provide layered defense against exploitation attempts. The remediation strategy must include thorough validation of all external inputs, implementation of rate limiting mechanisms, and establishment of proper monitoring protocols to detect and respond to potential exploitation attempts.