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CVE-2023-27530

Published: 10 March 2023

A DoS vulnerability exists in Rack <v3.0.4.2, <v2.2.6.3, <v2.1.4.3 and <v2.0.9.3 within in the Multipart MIME parsing code in which could allow an attacker to craft requests that can be abuse to cause multipart parsing to take longer than expected.

Notes

AuthorNote
iconstantin
Intrusive backport for older releases.

Priority

Medium

Cvss 3 Severity Score

7.5

Score breakdown

Status

Package Release Status
ruby-rack
Launchpad, Ubuntu, Debian
bionic Ignored
(intrusive backport)
focal Needs triage

jammy Needs triage

kinetic Ignored
(end of life, was needs-triage)
lunar Ignored
(end of life, was needs-triage)
mantic Needs triage

trusty Ignored
(intrusive backport)
upstream
Released (2.2.6.4-1)
xenial Ignored
(intrusive backport)
Patches:
upstream: https://github.com/rack/rack/commit/8e8869d625e73e16b576b6d31b50208e9ec8002f
upstream: https://github.com/rack/rack/commit/9aac3757fe19cdb0476504c9245170115bec9668
upstream: https://github.com/rack/rack/commit/b632718265fa5ffa547b060331341a1e216b4ffa
upstream: https://github.com/rack/rack/commit/5f6e2fcbbdbff2dfaa21baa693e9d23d12ac1459

Severity score breakdown

Parameter Value
Base score 7.5
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact High
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H