CVE-2025-7107 in sim
Summary
by MITRE • 07/07/2025
A vulnerability classified as critical has been found in SimStudioAI sim up to 0.1.17. Affected is the function handleLocalFile of the file apps/sim/app/api/files/parse/route.ts. The manipulation of the argument filePath leads to path traversal. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. The patch is identified as b2450530d1ddd0397a11001a72aa0fde401db16a. It is recommended to apply a patch to fix this issue.
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Analysis
by VulDB Data Team • 07/07/2025
This critical vulnerability in SimStudioAI sim version 0.1.17 and earlier affects the handleLocalFile function within the file apps/sim/app/api/files/parse/route.ts. The flaw stems from inadequate input validation of the filePath argument which allows attackers to manipulate directory traversal sequences. This path traversal vulnerability enables unauthorized access to files outside the intended directory structure, potentially exposing sensitive data and system resources. The vulnerability has been publicly disclosed and is actively being exploited, making immediate remediation essential for system security.
The technical implementation of this vulnerability resides in the improper handling of user-supplied file path parameters within the API endpoint. When the handleLocalFile function processes the filePath argument without proper sanitization or validation, it fails to prevent directory traversal sequences such as ../ or ..\ that could navigate outside the intended file system boundaries. This weakness directly maps to CWE-22 - Improper Limitation of a Pathname to a Restricted Directory, which is a well-documented vulnerability pattern in software applications that process file operations. The attack vector is remote, meaning adversaries can exploit this weakness through network-based interactions without requiring physical access to the system.
The operational impact of this vulnerability is severe as it allows attackers to potentially access sensitive files, configuration data, or system resources that should remain protected. Remote exploitation capabilities mean that threat actors can target systems from anywhere on the network, potentially leading to data breaches, privilege escalation, or further lateral movement within compromised environments. The vulnerability's classification as critical indicates that it can be easily exploited and has significant potential for damage. This aligns with ATT&CK technique T1074.001 - Data Staged, where adversaries stage data for exfiltration, and T1566.001 - Phishing, as the vulnerability may be exploited through malicious web interactions.
Security mitigation requires immediate application of the provided patch identified by commit hash b2450530d1ddd0397a11001a72aa0fde401db16a. Organizations should implement comprehensive input validation measures that sanitize all file path parameters and enforce strict directory access controls. Additional protective measures include implementing proper access controls, monitoring for suspicious file access patterns, and conducting thorough security assessments of the application's file handling mechanisms. The patch addresses the root cause by properly validating and sanitizing the filePath argument before processing, preventing directory traversal attacks. System administrators should also consider implementing network-level protections such as web application firewalls and intrusion detection systems to monitor for exploitation attempts. Regular security updates and vulnerability assessments should be conducted to prevent similar issues in other components of the application stack.