CVE-2022-44572
Description
A denial of service vulnerability in the multipart parsing component of Rack fixed in 2.0.9.2, 2.1.4.2, 2.2.4.1 and 3.0.0.1 could allow an attacker tocraft input that can cause RFC2183 multipart boundary parsing in Rack to take an unexpected amount of time, possibly resulting in a denial of service attack vector. Any applications that parse multipart posts using Rack (virtually all Rails applications) are impacted.
Predictions
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
OS impact
SUSE Affected 1 release
| Version | Status | Fixed in |
|---|---|---|
| — | Affected | — |
Debian Fixed 5 releases
| Version | Status | Fixed in |
|---|---|---|
| trixie | Fixed | 2.2.4-3 |
| sid | Fixed | 2.2.4-3 |
| forky | Fixed | 2.2.4-3 |
| bullseye | Fixed | 2.1.4-3+deb11u1 |
| bookworm | Fixed | 2.2.4-3 |
Rocky Linux Fixed 1 release
| Version | Status | Fixed in |
|---|---|---|
| 8 | Fixed | — |
References
- https://github.com/rack/rack/releases/tag/v3.0.4.1
- https://errata.rockylinux.org/RLSA-2023:6818
- https://www.suse.com/security/cve/CVE-2022-44572.html
- https://nvd.nist.gov/vuln/detail/CVE-2022-44572
- https://hackerone.com/reports/1639882
- https://github.com/rack/rack
- https://github.com/rubysec/ruby-advisory-db/blob/master/gems/rack/CVE-2022-44572.yml
- https://www.debian.org/security/2023/dsa-5530
- https://security-tracker.debian.org/tracker/CVE-2022-44572
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.