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Minetest is a free open-source voxel game engine with easy modding and game creation. In single player, a mod can set a global setting that controls the Lua script loaded to display the main menu. The script is then loaded as soon as the game session is exited. The Lua environment the menu runs in is not sandboxed and can directly interfere with the user's system. There are currently no known workarounds.
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1 valid exploit after Mallory filtered fakes, detection scripts, and README-only repos.
This repository is a Proof of Concept (PoC) exploit for CVE-2022-35978, a critical vulnerability in Minetest (up to version 5.5.1) on Windows. The repository contains a mod ('cve_2022_35978') with two main Lua scripts: 'init.lua' and 'cve_2022_35978.lua'. The exploit works by overwriting the 'main_menu_script' setting in Minetest to point to the attacker's Lua script. When the user exits to the main menu, the attacker's script is executed in an unsandboxed environment, allowing arbitrary system command execution. The provided payload demonstrates privilege escalation by creating a new administrative user ('bot') on the system. The exploit is local and requires the attacker to place the mod in the correct directory and have the game run as Administrator. The README provides detailed usage instructions and references. The exploit is a functional PoC and does not belong to any known exploit framework.
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