CVE-2024-48769 in de.burgwachter.keyapp.app
Summary
by MITRE • 10/11/2024
An issue in BURG-WCHTER KG de.burgwachter.keyapp.app 4.5.0 allows a remote attacker to obtain sensitve information via the firmware update process.
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Analysis
by VulDB Data Team • 10/12/2024
The vulnerability identified as CVE-2024-48769 affects the de.burgwachter.keyapp.app application version 4.5.0 developed by BURG-WCHTER KG. This security flaw resides within the firmware update process and represents a significant concern for IoT device security as it enables remote attackers to access sensitive information. The affected application appears to be part of a broader security ecosystem that manages access control systems, likely involving physical security devices such as key management systems or access control readers. The vulnerability's presence in the firmware update mechanism suggests that the application's security model may be fundamentally flawed in how it handles over-the-air updates and data protection during these critical operations.
The technical nature of this vulnerability stems from insufficient security controls during firmware update operations, creating an information disclosure pathway that adversaries can exploit remotely. This flaw likely involves inadequate input validation, weak cryptographic implementations, or improper access controls within the update process that allows unauthorized data retrieval. The vulnerability may be categorized under CWE-200 as it involves exposure of sensitive information, potentially through insecure communication channels or improper data handling during firmware operations. The attack surface is particularly concerning given that firmware updates typically require elevated privileges and involve critical system components that could provide attackers with deeper access to the underlying security infrastructure.
The operational impact of this vulnerability extends beyond simple information disclosure, potentially enabling attackers to gain insights into system configurations, security keys, or other sensitive operational data that could be leveraged for subsequent attacks. An attacker could exploit this vulnerability to understand the security architecture of the access control system, potentially identifying weak points in the overall security posture. This information could facilitate more sophisticated attacks including privilege escalation, system compromise, or targeted attacks against other connected devices within the same network infrastructure. The remote nature of the exploit means that attackers do not require physical access to the devices, making this vulnerability particularly dangerous in environments where physical security is already a concern.
Mitigation strategies for this vulnerability should focus on implementing robust authentication and authorization mechanisms within the firmware update process, ensuring that all update operations are properly validated and encrypted. Organizations should enforce secure communication protocols using strong cryptographic standards such as TLS 1.3 for all firmware update communications. The application should implement proper input validation and sanitization to prevent malicious data injection during update operations, while also ensuring that sensitive information is not exposed during the update process. Regular security assessments and penetration testing should be conducted to identify similar vulnerabilities in the firmware update infrastructure. Additionally, implementing network segmentation and monitoring solutions can help detect and prevent unauthorized access attempts to the update endpoints, aligning with ATT&CK framework techniques related to credential access and defense evasion. The vendor should release a patch that addresses the specific information disclosure issue and provides updated security controls for firmware update operations.