CVE-2019-15936 in Solismed
Summary
by MITRE
Intesync Solismed 3.3sp allows Insecure File Upload.
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Analysis
by VulDB Data Team • 03/11/2024
The CVE-2019-15936 vulnerability affects Intesync Solismed 3.3sp systems and represents a critical insecure file upload flaw that enables remote attackers to execute arbitrary code on affected devices. This vulnerability stems from insufficient validation mechanisms within the file upload functionality, allowing malicious actors to bypass security controls and upload potentially harmful files to the target system. The flaw exists in the application's handling of user-supplied files without proper sanitization or restriction of file types, creating an attack surface that can be exploited by unauthorized parties.
The technical implementation of this vulnerability demonstrates a classic insecure file upload scenario where the system fails to properly validate file extensions, content types, or file contents before storing uploaded files. Attackers can leverage this weakness by uploading malicious files such as web shells, scripts, or executables that can be executed within the application's context. The vulnerability is particularly dangerous because it can be exploited remotely without requiring authentication, making it accessible to any attacker who can reach the vulnerable system through network connections. This flaw directly maps to CWE-434, which describes the weakness of allowing untrusted data to be uploaded and executed by a web application, and aligns with ATT&CK technique T1190 for exploiting vulnerabilities in remote services.
The operational impact of CVE-2019-15936 extends beyond simple code execution to encompass complete system compromise and potential lateral movement within network environments. Once an attacker successfully uploads and executes malicious files, they can establish persistent access, escalate privileges, and potentially use the compromised device as a foothold for attacking other systems. The vulnerability affects the integrity and availability of the Solismed 3.3sp platform, potentially leading to data breaches, service disruption, and unauthorized access to sensitive information. Organizations relying on this medical device platform face significant risks including patient data exposure, regulatory compliance violations, and potential liability issues related to medical device security.
Mitigation strategies for this vulnerability should include immediate implementation of file type restrictions, content validation, and proper file storage mechanisms. System administrators must ensure that uploaded files are scanned for malicious content, validated against approved file types, and stored in restricted directories with appropriate access controls. Network segmentation and firewall rules should be implemented to limit access to the vulnerable system, while regular security updates and patches should be applied to address the underlying flaw. Organizations should also conduct comprehensive security assessments of their medical device environments, implement monitoring solutions to detect suspicious file upload activities, and establish incident response procedures to address potential exploitation attempts. The vulnerability highlights the critical importance of secure coding practices and proper input validation in medical device applications where security failures can have severe consequences for patient safety and data protection.