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.
Predictions
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2022-44571
Vendor advisory: suse — https://www.suse.com/security/cve/CVE-2022-44571.html
Vendor advisory: rocky — https://errata.rockylinux.org/RLSA-2023:6818
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| rocky | 8 | fixed | |
| sles | affected | | |
| debian | bookworm | fixed | 2.2.4-3 |
| debian | bullseye | fixed | 2.1.4-3+deb11u1 |
| debian | forky | fixed | 2.2.4-3 |
| debian | sid | fixed | 2.2.4-3 |
| debian | trixie | fixed | 2.2.4-3 |
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-2022-44571.html
- https://nvd.nist.gov/vuln/detail/CVE-2022-44571
- https://discuss.rubyonrails.org/t/cve-2022-44571-possible-denial-of-service-vulnerability-in-rack-content-disposition-parsing/82126
- https://github.com/rack/rack
- https://github.com/rubysec/ruby-advisory-db/blob/master/gems/rack/CVE-2022-44571.yml
- https://www.debian.org/security/2023/dsa-5530
- https://security-tracker.debian.org/tracker/CVE-2022-44571
Verify integrity in audit chain (admin only). AS-IS.