CVE-2024-3707 in OpenGnsys
Summary
by MITRE • 04/12/2024
Information exposure vulnerability in OpenGnsys affecting version 1.1.1d (Espeto). This vulnerability allows an attacker to enumerate all files in the web tree by accessing a php file.
VulDB is the best source for vulnerability data and more expert information about this specific topic.
Analysis
by VulDB Data Team • 07/05/2024
The CVE-2024-3707 vulnerability represents a critical information exposure flaw within the OpenGnsys 1.1.1d (Espeto) web application framework. This vulnerability specifically targets the application's file enumeration mechanism, allowing unauthenticated attackers to gain unauthorized access to the complete file structure of the web server. The flaw exists in the php file handling component that fails to properly validate or restrict access to directory listings, creating a pathway for malicious actors to systematically discover and access sensitive files within the application's web root directory.
The technical implementation of this vulnerability stems from inadequate input validation and access control mechanisms within the OpenGnsys application. When an attacker accesses specific php endpoints, the application fails to implement proper authorization checks or directory traversal restrictions, enabling the enumeration of all files and directories accessible through the web server. This flaw operates at the application layer and can be exploited through simple http requests that trigger the vulnerable file listing functionality. The vulnerability is categorized under CWE-200, which specifically addresses information exposure vulnerabilities, and aligns with ATT&CK technique T1213.002 for data from information repositories, as it enables adversaries to gather sensitive information about the target system's file structure and potentially identify other exploitable components.
The operational impact of this vulnerability extends beyond simple information disclosure, as it provides attackers with comprehensive knowledge of the application's internal structure and file organization. An attacker who successfully exploits this vulnerability can identify sensitive configuration files, database connection details, application source code, and other potentially valuable assets. This reconnaissance capability significantly increases the risk of subsequent exploitation attempts, as attackers can use the discovered file structure to plan more sophisticated attacks. The vulnerability affects the confidentiality and integrity of the system, as it allows unauthorized access to potentially sensitive data and application components that should remain protected.
Mitigation strategies for CVE-2024-3707 should prioritize immediate patching of the OpenGnsys application to version 1.1.1e or later, which contains the necessary security fixes. Organizations should implement proper access controls and input validation mechanisms to prevent unauthorized directory traversal and file enumeration. Network segmentation and firewall rules can help limit access to sensitive application endpoints, while web application firewalls should be configured to detect and block suspicious file listing requests. Additionally, regular security assessments and penetration testing should be conducted to identify similar vulnerabilities in the application's file handling mechanisms. System administrators should also implement monitoring solutions to detect unusual access patterns and file enumeration attempts that may indicate exploitation attempts. The vulnerability demonstrates the importance of proper access control implementation and input validation, which are fundamental security practices that should be integrated into all web application development processes.