Executive Summary

CVE-2025-34436 is an Insecure Direct Object Reference (IDOR) vulnerability in AVideo versions prior to 20.0. It allows any authenticated user to upload arbitrary files into directories belonging to other users because the upload functionality checks only if the user is authenticated but does not verify if the user owns or is authorized to upload to the target directory. [1]

Useful 0 Not Useful 0

Impact Analysis

This vulnerability can lead to unauthorized file uploads into other users' directories, potentially compromising confidentiality, integrity, and availability of data. An attacker with low privileges can exploit this flaw remotely without user interaction, which may result in data breaches, malware uploads, or disruption of service. [1]

Useful 0 Not Useful 0

Detection Guidance

To detect this vulnerability, you can check if your AVideo installation is running a version prior to 20.0, as these versions are affected. Additionally, monitoring file upload activities for unauthorized uploads into other users' directories may help identify exploitation attempts. Specific commands are not provided in the available resources. [1]

Useful 0 Not Useful 0

Mitigation Strategies

The immediate mitigation step is to upgrade AVideo to version 20.0 or later, where this vulnerability has been fixed. Until the upgrade, restrict authenticated users' permissions to prevent uploading files into directories they do not own. [1]

Useful 0 Not Useful 0