CVE-2022-44571

Name	CVE-2022-44571
Description	There is a denial of service vulnerability in the Content-Disposition parsingcomponent of Rack fixed in 2.0.9.2, 2.1.4.2, 2.2.4.1, 3.0.0.1. This could allow an attacker to craft an input that can cause Content-Disposition header parsing in Rackto take an unexpected amount of time, possibly resulting in a denial ofservice attack vector. This header is used typically used in multipartparsing. Any applications that parse multipart posts using Rack (virtuallyall Rails applications) are impacted.
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
References	DLA-3298-1, DSA-5530-1
Debian Bugs	1029832

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
ruby-rack (PTS)	bullseye (security), bullseye	2.1.4-3+deb11u2	fixed
	bookworm, bookworm (security)	2.2.6.4-1+deb12u1	fixed
	sid, trixie	2.2.7-1.1	fixed

The information below is based on the following data on fixed versions.

Package	Type	Release	Fixed Version	Origin	Debian Bugs
ruby-rack	source	buster	2.0.6-3+deb10u2	DLA-3298-1
ruby-rack	source	bullseye	2.1.4-3+deb11u1	DSA-5530-1
ruby-rack	source	(unstable)	2.2.4-3		1029832

Notes

https://github.com/rack/rack/commit/4e33ad10bf5f16d25c156f905bcc548e7f787bc3 (v2.0.9.2)
https://github.com/rack/rack/commit/9b5fb5c7ef0e39b959a6c5c0005d9af44a29d6f8 (v2.1.4.2)
https://github.com/rack/rack/commit/ee25ab9a7ee981d7578f559701085b0cf39bde77 (v2.2.6.1)