CVE-2022-44570

Name	CVE-2022-44570
Description	A denial of service vulnerability in the Range header parsing component of Rack >= 1.5.0. A Carefully crafted input can cause the Range header parsing component in Rack to take an unexpected amount of time, possibly resulting in a denial of service attack vector. Any applications that deal with Range requests (such as streaming applications, or applications that serve files) may be 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/52721ae0b730e3920ad5375dfd5a3ea9b4f9e359 (v2.0.9.2)
https://github.com/rack/rack/commit/f66ef5c8255dcea82c1b2665fc9ab948b76bb437 (v2.1.4.2)
https://github.com/rack/rack/commit/f6d4f528f2df1318a6612845db0b59adc7fe8fc1 (v2.2.6.2)