CVE-2024-48224 in funadmin
Summary
by MITRE • 10/26/2024
Funadmin v5.0.2 has an arbitrary file read vulnerability in /curd/index/editfile.
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Analysis
by VulDB Data Team • 10/26/2024
The vulnerability identified as CVE-2024-48224 affects Funadmin version 5.0.2 and represents a critical arbitrary file read flaw within the application's CURD module. This vulnerability specifically manifests in the /curd/index/editfile endpoint, which provides functionality for editing files through a web interface. The flaw stems from inadequate input validation and access control measures that allow remote attackers to access files outside the intended directory structure. The affected system lacks proper sanitization of user-supplied parameters that are used to determine which files can be read or modified, creating a path traversal condition that enables unauthorized access to sensitive system files. This vulnerability falls under the CWE-22 category of Path Traversal attacks, where insufficient controls over file system access enable attackers to navigate beyond the intended directory boundaries. The security implications extend beyond simple file reading as attackers can potentially access configuration files, database credentials, application source code, and other sensitive artifacts that could lead to further compromise of the affected system.
The technical execution of this vulnerability involves sending crafted requests to the vulnerable /curd/index/editfile endpoint with malicious file path parameters. Attackers can manipulate input fields to include directory traversal sequences such as ../ or ..\ that bypass normal file access restrictions. When the application processes these requests without proper validation, it reads files from arbitrary locations on the server filesystem. The vulnerability is particularly concerning because it allows attackers to potentially access not just user data but also system configuration files, application logs, and potentially even source code repositories. This type of vulnerability can be exploited to gain insights into the application architecture, identify additional attack vectors, and potentially escalate privileges within the system. The ATT&CK framework categorizes this as a Path Traversal technique under the T1083 (File and Directory Discovery) and T1566 (Phishing with Malicious Attachments) tactics, as it enables attackers to discover and access files that should remain protected.
The operational impact of CVE-2024-48224 extends far beyond immediate data exposure, as it can lead to complete system compromise when combined with other vulnerabilities. Organizations running affected versions of Funadmin face significant risks including data breaches, intellectual property theft, and potential regulatory compliance violations. The vulnerability can be exploited by attackers without requiring authentication, making it particularly dangerous in environments where the application is accessible from untrusted networks. Successful exploitation can result in the disclosure of sensitive information such as database connection strings, API keys, cryptographic keys, and application configuration files that could be used for further attacks. Additionally, attackers may be able to read application source code, which could reveal implementation flaws, hardcoded credentials, and other security weaknesses that could be exploited to gain deeper access to the system. The vulnerability also presents risks for privilege escalation attacks, as attackers might discover files containing administrative credentials or other sensitive access tokens that could provide elevated privileges within the application.
Mitigation strategies for CVE-2024-48224 should focus on implementing robust input validation and access control measures to prevent unauthorized file access. Organizations should immediately upgrade to a patched version of Funadmin that addresses this vulnerability, as the vendor has likely released security updates to resolve the path traversal issue. The recommended approach involves implementing proper parameter sanitization that validates and filters all user-supplied input before processing file system operations. Security controls should include whitelisting of allowed file paths and implementing strict access controls that ensure users can only access files within designated directories. Network-level protections such as web application firewalls can help detect and block malicious requests targeting the vulnerable endpoint. Additionally, organizations should conduct comprehensive security assessments to identify other potential vulnerabilities in the application and surrounding infrastructure. Regular security monitoring and log analysis should be implemented to detect suspicious file access patterns that might indicate exploitation attempts. The implementation of principle of least privilege access controls, regular security patching, and application security testing should form part of the overall security posture to prevent similar vulnerabilities from being introduced in future releases. System administrators should also consider implementing file integrity monitoring solutions to detect unauthorized modifications to critical system files that might occur as a result of exploitation attempts.