CVE-2024-35593 in Raingad IM
Summary
by MITRE • 05/24/2024
An arbitrary file upload vulnerability in the File preview function of Raingad IM v4.1.4 allows attackers to execute arbitrary code via uploading a crafted PDF file.
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Analysis
by VulDB Data Team • 03/28/2025
The vulnerability identified as CVE-2024-35593 represents a critical arbitrary file upload flaw within the Raingad IM v4.1.4 platform that specifically targets the file preview functionality. This issue stems from inadequate input validation and sanitization mechanisms that fail to properly restrict file types during the upload process. The vulnerability is particularly dangerous because it allows attackers to bypass normal file type restrictions and upload malicious files that can be executed within the application environment, creating a significant attack surface for remote code execution.
The technical implementation of this vulnerability occurs through the file preview function which typically processes uploaded documents for display purposes. When a user uploads a PDF file through this interface, the application should validate that the file conforms to expected PDF standards and reject any files that do not meet these criteria. However, the Raingad IM v4.1.4 implementation fails to properly validate file content, allowing attackers to upload files that appear to be PDFs but contain malicious payloads. This weakness aligns with CWE-434 which specifically addresses insecure file upload vulnerabilities where applications accept files without proper validation, and can be categorized under the broader ATT&CK technique T1190 for Exploit Public-Facing Application.
The operational impact of this vulnerability extends beyond simple code execution, as it provides attackers with persistent access to the underlying system. Once an attacker successfully uploads a malicious file, they can execute arbitrary commands on the server, potentially leading to complete system compromise, data exfiltration, or establishment of persistent backdoors. The attack vector is particularly concerning because it leverages a legitimate application feature, making it harder to detect and prevent through traditional network monitoring. The vulnerability affects organizations using Raingad IM v4.1.4 who may not be actively monitoring file upload activities or implementing proper input validation controls.
Mitigation strategies for this vulnerability should focus on implementing robust file validation mechanisms including MIME type checking, file content analysis, and strict file extension filtering. Organizations should immediately apply the vendor-provided patches or updates that address this specific vulnerability. Additionally, implementing network segmentation and access controls around the affected application can limit the potential impact of successful exploitation. Security measures should include disabling unnecessary file preview functionality, implementing proper file upload restrictions, and conducting regular security assessments to identify similar vulnerabilities in other application components. The remediation process should also involve monitoring for suspicious file upload activities and implementing automated scanning for malicious content within uploaded files to prevent exploitation attempts.