CVE-2022-44571
HIGH7.5EPSS 3.1%Denial of Service Vulnerability in Rack Content-Disposition parsing
Published: 1/18/2023Modified: 4/28/2026
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.
Affected packages (2)
- Debian/ruby-rackfrom 0, < 2.1.4-3+deb11u1
- RubyGems/rack>= 2.0.0, < 2.0.9.2
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
References (7)
- ADVISORYhttps://nvd.nist.gov/vuln/detail/CVE-2022-44571
- ADVISORYhttps://security-tracker.debian.org/tracker/CVE-2022-44571
- PATCHhttps://github.com/rack/rack
- WEBhttps://discuss.rubyonrails.org/t/cve-2022-44571-possible-denial-of-service-vulnerability-in-rack-content-disposition-parsing/82126
- WEBhttps://github.com/rack/rack/releases/tag/v3.0.4.1
- WEBhttps://github.com/rubysec/ruby-advisory-db/blob/master/gems/rack/CVE-2022-44571.yml
- WEBhttps://www.debian.org/security/2023/dsa-5530