CVE-2019-16246 in Solismed
Summary
by MITRE
Intesync Solismed 3.3sp1 allows Local File Inclusion (LFI), a different vulnerability than CVE-2019-15931. This leads to unauthenticated code execution.
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Analysis
by VulDB Data Team • 03/11/2024
The vulnerability identified as CVE-2019-16246 affects the Intesync Solismed 3.3sp1 system and represents a critical local file inclusion flaw that enables unauthenticated remote code execution. This vulnerability operates independently from CVE-2019-15931, demonstrating the complexity of software security issues where multiple vulnerabilities can exist within the same application or system. The Local File Inclusion vulnerability arises when the system fails to properly validate or sanitize user-supplied input that is used to construct file paths or include files. In this case, attackers can manipulate input parameters to traverse the file system and include arbitrary local files, potentially leading to complete system compromise.
The technical implementation of this vulnerability involves the application's handling of file inclusion mechanisms without adequate input validation. When user-provided data is directly incorporated into file path constructions, attackers can exploit this weakness by injecting malicious path traversal sequences such as ../ or ..\ to access files outside the intended directory structure. The vulnerability specifically affects the Solismed 3.3sp1 platform, which suggests that the issue stems from improper sanitization of parameters used in file operations within the application's codebase. This flaw allows attackers to include system files, configuration files, or even execute code through the inclusion of malicious files, creating a pathway for unauthorized access and system control.
The operational impact of this vulnerability is severe as it enables unauthenticated remote code execution, meaning that any attacker with network access can exploit this flaw without requiring valid credentials. This opens the door for complete system compromise, data exfiltration, service disruption, and potential lateral movement within network environments. The vulnerability's classification under CWE-22, which addresses improper limitation of a pathname to a restricted directory, highlights the core issue of inadequate input validation and path traversal protection. Attackers can leverage this vulnerability to gain access to sensitive system information, modify system files, install malware, or establish persistent backdoors within the affected environment.
The exploitation of this vulnerability aligns with ATT&CK technique T1213.002, which involves data from information repositories, and T1059.007, which covers scripting through command and control channels. Organizations running Intesync Solismed 3.3sp1 systems should implement immediate mitigations including input validation, parameterized queries, and proper access controls. The recommended remediation involves updating to the latest patched version of the software, implementing web application firewalls, and conducting thorough security assessments of the affected system. Additionally, network segmentation and monitoring for suspicious file access patterns should be deployed to detect potential exploitation attempts. The vulnerability demonstrates the importance of proper input validation and the principle of least privilege in preventing unauthorized file access and system compromise.