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Gerapy, a distributed crawler management framework, prior to version 0.9.9, contains a vulnerability that allows an authenticated user to execute arbitrary commands on the server. The vulnerability is due to insufficient sanitization of user input, leading to command injection.
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1 valid exploit after Mallory filtered fakes, detection scripts, and README-only repos.
This repository contains a Python exploit script (CVE-2021-32849.py) targeting the Gerapy web management framework, specifically exploiting CVE-2021-32849, a command injection vulnerability. The exploit works by first authenticating to the target Gerapy instance using provided credentials via the '/api/user/auth' endpoint. It then crafts a malicious request to the '/api/project/clone' endpoint, injecting a system command into the 'address' parameter. The injected command is executed on the server, and the output can be sent to an attacker-controlled machine (typically using netcat for a reverse shell or command output). The script requires the attacker to specify the target URL, credentials, attacker's IP and port, and the command to execute. The repository also includes a README with usage instructions and an example command. No hardcoded endpoints or IPs are present, but the script targets specific API paths on the victim server. The exploit is operational and provides arbitrary command execution on vulnerable Gerapy instances.
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