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.
[POC] GHSA-8gj2-2cvc-6xx7 — Apache-Lua-Buffer-Overflow-Exploit-CVE-2021-44790
Apache HTTP Server 2.4.x mod_lua Buffer Overflow (CVE-2021-44790) - Advanced exploitation framework with fingerprinting, multi-stage scanning, plugin architecture, professional reporting, screenshot capture, SQLite database, and 95%+ confidence detection. Author: Sudeepa Wanigarathna.
PoC: -CVE-2021-44790
Thực nghiệm CVE-2021-44790
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
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