CVE-2022-44570

NameCVE-2022-44570
DescriptionA 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.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
ReferencesDLA-3298-1, DSA-5530-1
Debian Bugs1029832

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
ruby-rack (PTS)buster2.0.6-3vulnerable
buster (security)2.0.6-3+deb10u3fixed
bullseye (security), bullseye2.1.4-3+deb11u1fixed
bookworm2.2.6.4-1fixed
sid, trixie2.2.7-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
ruby-racksourcebuster2.0.6-3+deb10u2DLA-3298-1
ruby-racksourcebullseye2.1.4-3+deb11u1DSA-5530-1
ruby-racksource(unstable)2.2.4-31029832

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)

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