CVE-2024-2403 in Remote Desktop Manager
Summary
by MITRE • 03/13/2024
Improper cleanup in temporary file handling component in Devolutions Remote Desktop Manager 2024.1.12 and earlier on Windows allows an attacker that compromised a user endpoint, under specific circumstances, to access sensitive information via residual files in the temporary directory.
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Analysis
by VulDB Data Team • 03/26/2025
The vulnerability identified as CVE-2024-2403 represents a critical flaw in the temporary file handling mechanism of Devolutions Remote Desktop Manager version 2024.1.12 and earlier releases on Windows platforms. This issue stems from inadequate cleanup procedures for temporary files generated during the application's operation, creating persistent security risks that can be exploited by attackers who have already compromised user endpoints. The vulnerability operates within the broader context of improper resource management and temporary file security practices that are fundamental to maintaining system integrity and protecting sensitive data.
The technical implementation of this vulnerability manifests through the application's failure to properly remove temporary files after their intended use has concluded. When Devolutions Remote Desktop Manager creates temporary files during normal operations, such as during connection sessions, configuration updates, or data processing tasks, these files often contain sensitive information including authentication credentials, session data, connection parameters, or encrypted configuration details. The improper cleanup mechanism allows these temporary files to persist in the system's temporary directory, where they remain accessible to unauthorized users or processes that may have compromised the endpoint. This behavior directly violates established security principles for temporary file management and creates a persistent attack surface that can be exploited by adversaries with local access to the compromised system.
The operational impact of this vulnerability extends beyond simple information disclosure to create potential escalation paths for attackers who have already gained initial access to a user endpoint. Once an attacker identifies and accesses these residual temporary files, they can extract sensitive information that may include user credentials, connection details, or other confidential data that could enable further unauthorized access to network resources. The vulnerability's exploitation requires an attacker to first compromise the user endpoint, which aligns with the ATT&CK framework's initial access and privilege escalation tactics, but the persistence of temporary files creates a window of opportunity for attackers to maintain access and expand their capabilities. This flaw particularly affects enterprise environments where remote desktop management tools are extensively deployed, as the compromised temporary files may contain information that could facilitate lateral movement or persistent access to critical network infrastructure.
Mitigation strategies for CVE-2024-2403 should focus on both immediate remediation and long-term architectural improvements to temporary file handling practices. Organizations should immediately upgrade to Devolutions Remote Desktop Manager version 2024.1.3 or later, which contains the necessary patches to address the improper cleanup mechanism. Additionally, system administrators should implement enhanced monitoring of temporary directories to detect and alert on unauthorized access to temporary files. The vulnerability's classification aligns with CWE-377, which addresses insecure temporary file creation, and CWE-374, which covers the creation of temporary files with insecure permissions. Security teams should also consider implementing temporary file cleanup policies and regular audits of temporary directories to identify and remove residual files that may contain sensitive information. The ATT&CK framework's T1078 and T1566 tactics emphasize the importance of monitoring and controlling access to potentially sensitive temporary files that could be leveraged by adversaries to maintain persistent access to compromised systems.