| 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, ELA-785-1 |
| Debian Bugs | 1029832 |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| ruby-rack (PTS) | jessie, jessie (lts) | 1.5.2-3+deb8u4 | vulnerable |
| stretch (security) | 1.6.4-4+deb9u2 | vulnerable | |
| stretch (lts), stretch | 1.6.4-4+deb9u6 | fixed | |
| buster (security), buster, buster (lts) | 2.0.6-3+deb10u4 | fixed | |
| bullseye (security), bullseye | 2.1.4-3+deb11u2 | fixed | |
| bookworm (security), bookworm | 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 | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| ruby-rack | source | jessie | (unfixed) | end-of-life | ||
| ruby-rack | source | stretch | 1.6.4-4+deb9u4 | ELA-785-1 | ||
| 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 |
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)