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CVE-2019-11447 is a vulnerability in CutePHP CuteNews 2.1.2 that allows an attacker to upload arbitrary files via the avatar upload functionality in the profile area (avatar_file field to index.php?mod=main&opt=personal). The vulnerability arises due to insufficient validation of the uploaded file's content and type, specifically a lack of effective control over the $imgsize variable in /core/modules/dashboard.php. Attackers can bypass file type checks by using a GIF header, enabling them to upload files containing executable code, leading to remote code execution on the server.
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1 valid exploit after Mallory filtered fakes, detection scripts, and README-only repos (2 hidden).
This repository contains a Python proof-of-concept exploit for CVE-2019-11447, targeting CutePHP CuteNews version 2.1.2. The exploit automates the process of logging in with valid credentials, uploading a malicious PHP file as an avatar (abusing an arbitrary file upload vulnerability), and triggering the payload to obtain a reverse shell on the target server. The payload is a PHP reverse shell that connects back to the attacker's specified IP and port. The repository consists of a single exploit script (cve-2019-11447.py) and a README.md with usage instructions and background. The exploit requires the attacker to know valid credentials for the target CuteNews instance and to set up a listener to catch the reverse shell. The main endpoints involved are the CuteNews login page and the uploads directory where the webshell is placed. The exploit is operational and demonstrates full compromise of the target web server user.
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1 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
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