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CVE-2024-28189 is a vulnerability in Judge0, an open-source online code execution system, where the application uses the UNIX chown command on an untrusted file within the sandbox. An attacker can exploit this by creating a symlink to a file outside the sandbox, causing chown to operate on arbitrary files outside the sandbox. This can be chained with other vulnerabilities (notably CVE-2024-28185) to achieve a full sandbox escape and potentially gain root access on the host system. The vulnerability is due to insecure handling of file operations and insufficient validation of symlinks within the sandboxed environment.
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1 valid exploit after Mallory filtered fakes, detection scripts, and README-only repos.
This repository contains a single Metasploit module targeting the Judge0 online code execution platform (<= 1.13.0) for a sandbox escape vulnerability (CVE-2024-28185, CVE-2024-28189). The exploit abuses Judge0's improper handling of symlinks within the sandbox, allowing an attacker to write arbitrary files outside the sandbox and achieve code execution as root. The module interacts with the Judge0 HTTP API, enumerates available languages, and submits crafted code to create a malicious cron job in /etc/cron.d/. The payload is customizable and typically results in a reverse shell or arbitrary command execution. The exploit is weaponized, leveraging Metasploit's payload system, and is suitable for post-exploitation or red team operations against vulnerable Judge0 instances. The only file present is a Ruby Metasploit module, and all logic is contained within this file.
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