CVE-2019-15935 in Solismed
Summary
by MITRE
Intesync Solismed 3.3sp has XSS.
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Analysis
by VulDB Data Team • 03/11/2024
The CVE-2019-15935 vulnerability represents a cross-site scripting flaw identified in the Intesync Solismed 3.3sp medical device firmware. This vulnerability arises from insufficient input validation and output encoding within the device's web interface components, creating a persistent security weakness that can be exploited by malicious actors to execute arbitrary script code within the context of a user's browser session. The affected device operates within healthcare environments where patient data management and medical device control are critical functions, making this vulnerability particularly concerning for medical device security.
The technical implementation of this XSS vulnerability occurs when the Solismed 3.3sp device fails to properly sanitize user-supplied input parameters before incorporating them into dynamically generated web content. Attackers can craft malicious payloads that, when submitted through web forms or URL parameters, are subsequently rendered in the device's web interface without adequate HTML escaping or context-appropriate encoding. This flaw allows threat actors to inject malicious scripts that can steal session cookies, redirect users to malicious sites, or perform unauthorized actions within the device's administrative interface. The vulnerability specifically impacts the device's web-based management portal, which is typically accessible to authorized personnel for configuration and monitoring purposes.
The operational impact of this vulnerability extends beyond simple script execution, as it creates potential pathways for more sophisticated attacks within healthcare environments. An attacker who successfully exploits this XSS flaw could gain unauthorized access to sensitive medical device configurations, manipulate patient data displays, or establish persistent access points within the medical device network. The vulnerability's presence in a medical device management system creates risks for patient safety, data integrity, and regulatory compliance with healthcare security standards. Organizations utilizing this device face potential exposure to data breaches, system compromise, and violations of healthcare privacy regulations such as HIPAA, as the vulnerability enables unauthorized access to critical medical device controls and information.
Mitigation strategies for CVE-2019-15935 should prioritize immediate firmware updates from Intesync, as the vendor likely released patches addressing the input validation deficiencies. Network segmentation and access controls should be implemented to limit exposure of the device's web interface to trusted personnel only, while monitoring for suspicious web traffic patterns can help detect exploitation attempts. Security teams should also implement web application firewalls and input validation mechanisms to prevent malicious payloads from reaching the device interface. This vulnerability aligns with CWE-79, which describes cross-site scripting flaws, and represents a common weakness in web application security that can be addressed through proper input sanitization and output encoding practices. Organizations should consider implementing regular vulnerability assessments and penetration testing to identify similar weaknesses in other medical device systems within their healthcare network infrastructure.