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Easy Chat Server 3.1 contains a buffer overflow vulnerability in its chat message functionality. A remote attacker can trigger the flaw by sending crafted input to the chat message handling component, causing memory corruption. Based on the provided information, successful exploitation may enable disclosure of sensitive information and arbitrary code execution on the affected system.
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1 valid exploit after Mallory filtered fakes, detection scripts, and README-only repos.
This repository is a small standalone Python proof-of-concept for CVE-2026-36228 affecting Easy Chat Server 3.1. The repo contains one code file (poc.py) and several Markdown documents (README.md, PUBLIC-POC.md, ATTACK-SCENARIO.md) that describe the vulnerability, reproduction steps, impact, and mitigation. The exploit is not part of a larger framework. The PoC targets the Easy Chat Server chat message endpoint /body2.ghp and constructs an application/x-www-form-urlencoded HTTP POST request where the mtowho parameter is filled with a large string of 'A' characters, defaulting to 40,000 bytes. Additional fields included are fromuser, RoomID, message, and submit=Send. The script uses Python sockets directly rather than requests or a framework, connecting to an operator-supplied host and port and optionally adding a Cookie header for authenticated sessions. Operationally, the script is benign-by-default: without --send it only prints a preview of the generated request. With --send, it transmits the request and prints the first 500 bytes of the response. This makes it a true exploit PoC rather than a pure detector, but it remains limited in scope and does not include post-exploitation functionality. Its intended effect is denial of service only: causing the Easy Chat Server process to terminate unexpectedly while processing the oversized mtowho field. Repository structure is simple: documentation files explain the attack scenario and usage, while poc.py is the sole executable entry point. No persistence, malware behavior, destructive local actions, or unrelated payloads were found.
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