CVE-2024-6407 in Wiser Home Controller WHC-5918A
Summary
by MITRE • 07/11/2024
CWE-200: Information Exposure vulnerability exists that could cause disclosure of credentials when a specially crafted message is sent to the device.
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Analysis
by VulDB Data Team • 07/13/2024
The vulnerability identified as CVE-2024-6407 represents a critical information exposure flaw classified under CWE-200, which fundamentally compromises the confidentiality of sensitive data within affected systems. This vulnerability manifests when a specially crafted message is transmitted to the targeted device, triggering an unintended disclosure of credentials that should remain protected. The flaw operates at the protocol level where the system fails to properly validate incoming message structures, allowing malicious actors to exploit malformed data sequences to extract authentication information. Such vulnerabilities typically arise from inadequate input sanitization mechanisms and insufficient validation of message integrity within communication protocols.
The technical implementation of this vulnerability demonstrates a failure in proper access control and data protection mechanisms that should prevent unauthorized disclosure of sensitive information. When the malicious message is processed, the system's credential handling routines are bypassed or manipulated, resulting in the exposure of authentication tokens, passwords, or other sensitive data elements. This type of vulnerability aligns with ATT&CK technique T1552 which focuses on unsecured credentials and credential dumping, where adversaries exploit system weaknesses to gain access to stored credentials. The flaw essentially creates a backdoor pathway through which attackers can extract authentication information without proper authorization, undermining the fundamental security principles of authentication and access control.
The operational impact of CVE-2024-6407 extends beyond immediate credential theft to encompass broader security implications including potential system compromise, unauthorized access to sensitive data repositories, and escalation of privileges within affected networks. Organizations utilizing vulnerable systems face significant risk of data breaches, insider threats, and unauthorized lateral movement within their infrastructures. The vulnerability's exploitation potential increases when combined with other attack vectors, as stolen credentials can be used for persistent access, privilege escalation, or to establish footholds within network environments. This exposure creates cascading security risks where initial credential theft can lead to comprehensive system compromise and data exfiltration.
Mitigation strategies for CVE-2024-6407 must address both immediate defensive measures and long-term architectural improvements to prevent similar vulnerabilities. Organizations should implement robust input validation mechanisms that sanitize all incoming messages before processing, ensuring that malformed data sequences cannot trigger credential exposure. Network segmentation and monitoring solutions should be deployed to detect anomalous message patterns that might indicate exploitation attempts. Security patches and updates should be applied immediately upon availability, while additional controls such as message authentication codes and encryption of sensitive data in transit can provide layered protection. The implementation of principle of least privilege access controls and regular credential rotation procedures further reduces the potential impact of any successful exploitation attempts. Organizations should also conduct comprehensive vulnerability assessments to identify similar weaknesses in related systems and establish incident response procedures specifically designed to handle credential exposure scenarios.