CVE-2022-26976 in TransForm N
Summary
by MITRE • 06/02/2022
Barco Control Room Management Suite web application, which is part of TransForm N before 3.14, is exposing a license file upload mechanism. Lack of input sanitization in the upload mechanism is leads to reflected XSS.
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Analysis
by VulDB Data Team • 06/08/2022
The Barco Control Room Management Suite represents a critical component within the TransForm N platform, serving as the web application interface for managing control room operations and multimedia presentations. This suite provides administrators with comprehensive control over display systems and content delivery mechanisms within enterprise environments. The vulnerability exists within the license file upload functionality that allows system administrators to manage software licensing for the control room management system. The specific version affected is TransForm N before 3.14, indicating that this represents a long-standing security flaw that persisted across multiple releases of the software platform.
The technical flaw manifests through insufficient input sanitization within the license file upload mechanism. When users attempt to upload license files through the web interface, the application fails to properly validate or sanitize the file content before processing it. This vulnerability creates a reflected cross-site scripting condition where maliciously crafted license files can contain embedded javascript payloads that execute within the context of other users' browsers. The reflected nature of this vulnerability means that the malicious code is not stored on the server but rather injected into the application's response through the upload mechanism, making it particularly dangerous as it can be triggered by any user who views the affected content.
The operational impact of this vulnerability extends beyond simple script execution, as it provides attackers with the ability to compromise user sessions and potentially escalate privileges within the control room environment. Attackers could craft malicious license files that, when uploaded and subsequently viewed by administrators or other users, would execute scripts in their browsers to steal session cookies, redirect users to malicious sites, or perform other malicious activities. This vulnerability is particularly concerning in enterprise environments where control room management systems handle critical infrastructure operations and sensitive data processing. The reflected XSS vulnerability creates a persistent threat vector that could be exploited repeatedly without requiring server-side persistence, making it a significant concern for organizations relying on this platform for mission-critical operations.
The vulnerability aligns with CWE-79 which specifically addresses cross-site scripting flaws in web applications, and it demonstrates the critical importance of input validation and sanitization in web-based systems. From an attack perspective, this vulnerability maps to multiple ATT&CK techniques including initial access through web application attacks, credential access through session hijacking, and privilege escalation through malicious code execution. Organizations should prioritize immediate patching of affected systems to remediate this vulnerability, as the lack of input sanitization creates a direct pathway for attackers to compromise user sessions and potentially gain unauthorized access to control room management systems. The vulnerability also highlights the need for comprehensive security testing of file upload mechanisms and proper validation of all user-supplied content within web applications.