CVE-2022-44572.yml

---
gem: rack
cve: 2022-44572
ghsa: rqv2-275x-2jq5
url: https://github.com/rack/rack/releases/tag/v3.0.4.1
title: Denial of service via multipart parsing in Rack
date: 2023-01-18
description: |
  There is a denial of service vulnerability in the multipart parsing component
  of Rack. This vulnerability has been assigned the CVE identifier
  CVE-2022-44572.

  Versions Affected: >= 2.0.0
  Not affected: None.
  Fixed Versions: 2.0.9.2, 2.1.4.2, 2.2.6.1, 3.0.4.1

  # Impact

  Carefully crafted input can cause RFC2183 multipart boundary parsing in Rack
  to take an unexpected amount of time, possibly resulting in a denial of
  service attack vector. Any applications that parse multipart posts using
  Rack (virtually all Rails applications) are impacted.

  # Workarounds

  There are no feasible workarounds for this issue.
patched_versions:
  - "~> 2.0.9, >= 2.0.9.2"
  - "~> 2.1.4, >= 2.1.4.2"
  - "~> 2.2.6, >= 2.2.6.1"
  - ">= 3.0.4.1"