CVE-2021-44790
CRITICALApache HTTP Server < 2.4.52 - Buffer Overflow in mod_lua Multipart Parser
Title source: llmExploitation Summary
EIP tracks 2 public exploits for CVE-2021-44790. PoCs published by Sunil Iyengar, nuPacaChi.
AI-analyzed exploit summary This exploit targets a buffer overflow vulnerability in Apache HTTP Server versions prior to 2.4.51. It sends a malformed multipart/form-data payload to trigger a memory allocation error, potentially leading to a denial-of-service (DoS) condition.
Description
A carefully crafted request body can cause a buffer overflow in the mod_lua multipart parser (r:parsebody() called from Lua scripts). The Apache httpd team is not aware of an exploit for the vulnerabilty though it might be possible to craft one. This issue affects Apache HTTP Server 2.4.51 and earlier.
Exploits (2)
This exploit targets a buffer overflow vulnerability in Apache HTTP Server versions prior to 2.4.51. It sends a malformed multipart/form-data payload to trigger a memory allocation error, potentially leading to a denial-of-service (DoS) condition.
This repository contains a working PoC for CVE-2021-44790, a buffer overflow vulnerability in Apache HTTP Server's mod_lua module. The exploit triggers a DoS condition by sending a malformed multipart/form-data request, causing a memory allocation error and crashing the Apache service.
References (20)
Scores
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H