CVE-2024-45441 in HarmonyOS
Summary
by MITRE • 09/04/2024
Input verification vulnerability in the system service module Impact: Successful exploitation of this vulnerability will affect availability.
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Analysis
by VulDB Data Team • 09/13/2024
This vulnerability resides within the system service module where insufficient input validation permits malicious data to bypass security checks and potentially disrupt service availability. The flaw represents a classic input sanitization issue that allows attackers to submit malformed or unexpected data inputs that can cause system instability or complete service disruption. The vulnerability manifests when the system service module fails to properly validate or sanitize incoming data before processing, creating an entry point for adversaries to manipulate system behavior. From a cybersecurity perspective, this type of vulnerability aligns with CWE-20, which specifically addresses improper input validation, and can be categorized under the broader ATT&CK technique T1499 for network denial of service attacks. The system service module likely processes various types of inputs including API calls, configuration parameters, or user requests without adequate validation mechanisms, making it susceptible to exploitation through crafted payloads that trigger unexpected behavior in the underlying service architecture.
The operational impact of this vulnerability extends beyond simple service disruption to potentially compromise the entire system availability framework. When exploited successfully, the vulnerability can cause the affected system service to crash, become unresponsive, or enter a state where it cannot process legitimate requests. This availability compromise affects not only the immediate service but can cascade to dependent systems and services that rely on the compromised module. The attack surface is particularly concerning because system service modules typically operate with elevated privileges and handle critical system functions, meaning that a successful exploitation can result in significant operational downtime and potential data accessibility issues. Organizations may experience service interruptions that impact business continuity, especially if the affected service is part of critical infrastructure or enterprise applications that depend on continuous availability for their operations.
Mitigation strategies for this vulnerability must address both immediate protection and long-term architectural improvements to prevent similar issues from emerging. The primary defense involves implementing robust input validation mechanisms that sanitize all data entering the system service module, including parameter validation, length checking, and type verification. Organizations should deploy input filtering at multiple levels including application firewalls, API gateways, and within the service module itself to create layered protection. Security controls should include implementing proper error handling to prevent information leakage, establishing rate limiting to prevent abuse, and conducting regular security testing including penetration testing and code reviews. Additionally, following secure coding practices and implementing automated input validation frameworks can significantly reduce the risk of similar vulnerabilities. The remediation process requires thorough testing of input validation mechanisms to ensure they properly handle edge cases and malformed inputs while maintaining legitimate functionality. Regular security updates and monitoring of system logs for suspicious input patterns should also be implemented to detect potential exploitation attempts and respond quickly to emerging threats.