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A path traversal vulnerability exists in PwnDoc prior to version 1.2.0 in the backup restore functionality. The TAR extraction process does not properly sanitize entry names, allowing an attacker with backup privileges to craft a TAR archive that overwrites arbitrary files on the system. By overwriting a JavaScript file included in the application and restarting the container, the attacker can achieve remote code execution as an administrator.
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1 valid exploit after Mallory filtered fakes, detection scripts, and README-only repos.
This repository contains a Python exploit script (pwndoc-tarslip.py) targeting CVE-2025-27410, a path traversal vulnerability in a web application's backup restore functionality. The exploit authenticates to the target (default admin credentials), crafts a malicious tar archive that overwrites a JavaScript module on the server (/app/src/lib/passwordpolicy.js), and uploads/restores the backup via the application's REST API. The overwritten module executes arbitrary shell commands (e.g., 'id > /tmp/pwned') when loaded, resulting in remote code execution. The script demonstrates both arbitrary file write and code execution, and includes functions for login, backup upload, restore, and cleanup. The only other file is a minimal README referencing the CVE.
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