---
gem: ffi
cve: 2018-1000201
url: https://github.com/ffi/ffi/releases/tag/1.9.24
title: ruby-ffi DDL loading issue on Windows OS
date: 2018-06-22

description: |
  ruby-ffi version 1.9.23 and earlier has a DLL loading issue which can be
  hijacked on Windows OS, when a Symbol is used as DLL name instead of a String
  This vulnerability appears to have been fixed in v1.9.24 and later.

cvss_v2: 6.8
cvss_v3: 7.8

patched_versions:
  - ">= 1.9.24"

related:
  url:
    - https://github.com/ffi/ffi/commit/09e0c6076466b4383da7fa4e13f714311109945a
    - https://github.com/ffi/ffi/commit/e0fe486df0e117ed67b0282b6ada04b7214ca05c