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CVE-2024-31449 is a stack-based buffer overflow in the Lua bit library used by Redis. The flaw affects the bit.tohex() function, which does not safely handle INT32_MIN before negating a value. A specially crafted Lua script can trigger signed integer overflow followed by a stack buffer overflow. The issue affects Redis versions with Lua scripting enabled.
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1 valid exploit after Mallory filtered fakes, detection scripts, and README-only repos (2 hidden).
This repository provides a proof-of-concept (PoC) exploit for CVE-2024-31449, a stack buffer overflow vulnerability in the Redis Lua engine's bit.tohex function. The repository contains four files: a Dockerfile and docker-compose.yml for setting up a vulnerable Redis environment, a PoC.py script that connects to the Redis server and sends a crafted EVAL command to trigger the vulnerability, and a README.md with detailed technical explanation and crash logs. The exploit demonstrates a Denial of Service (DoS) by crashing the Redis server when the payload is executed. The main attack vector is network-based, targeting Redis servers accessible on TCP port 6379. The PoC does not provide remote code execution but shows that a crash is possible, and hints that further exploitation (such as info leak or RCE) may be possible with additional research.
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15 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A Redis flaw where Lua library commands may cause stack overflow and remote code execution.
Unknown
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Cross-references every affected SKU, including bundled OEM variants.
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