CVE-2022-44571
First published: Wed Jan 18 2023(Updated: )
Carefully crafted input can cause Content-Disposition header parsing in Rack to take an unexpected amount of time, possibly resulting in a denial of service attack vector. This header is used typically used in multipart parsing. Any applications that parse multipart posts using Rack (virtually all Rails applications) are impacted.
Credit: support@hackerone.com support@hackerone.com support@hackerone.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Rack Project Rack | >=2.0.0<2.0.9.2 | |
| Rack Project Rack | >=2.1.0<2.1.4.2 | |
| Rack Project Rack | >=2.2.0<2.2.6.1 | |
| Rack Project Rack | >=3.0.0.0<3.0.4.1 | |
| rubygems/rack | >=3.0.0.0<3.0.4.1 | 3.0.4.1 |
| rubygems/rack | >=2.2.0<2.2.6.1 | 2.2.6.1 |
| rubygems/rack | >=2.1.0<2.1.4.2 | 2.1.4.2 |
| rubygems/rack | >=2.0.0<2.0.9.2 | 2.0.9.2 |
| redhat/rubygem-rack | <2.0.9.2 | 2.0.9.2 |
| redhat/rubygem-rack | <2.1.4.2 | 2.1.4.2 |
| redhat/rubygem-rack | <2.2.6.1 | 2.2.6.1 |
| redhat/rubygem-rack | <3.0.4.1 | 3.0.4.1 |
| debian/ruby-rack | 2.1.4-3+deb11u2 2.2.6.4-1+deb12u1 2.2.7-1.1 |
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Reference Links
- https://discuss.rubyonrails.org/t/cve-2022-44571-possible-denial-of-service-vulnerability-in-rack-content-disposition-parsing/82126
- https://github.com/rack/rack/commit/4e33ad10bf5f16d25c156f905bcc548e7f787bc3
- https://github.com/rack/rack/commit/9b5fb5c7ef0e39b959a6c5c0005d9af44a29d6f8
- https://github.com/rack/rack/commit/ee25ab9a7ee981d7578f559701085b0cf39bde77
- https://security-tracker.debian.org/tracker/CVE-2022-44571
- https://github.com/rack/rack/releases/tag/v3.0.4.1
- https://github.com/rubysec/ruby-advisory-db/blob/master/gems/rack/CVE-2022-44571.yml
- https://nvd.nist.gov/vuln/detail/CVE-2022-44571
- https://www.debian.org/security/2023/dsa-5530
- https://github.com/advisories/GHSA-93pm-5p5f-3ghx (Advisory)
- https://security.netapp.com/advisory/ntap-20231208-0013/
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2164715
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2164716
- https://access.redhat.com/errata/RHSA-2023:6818
- https://bugzilla.redhat.com/show_bug.cgi?id=2164714
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-44571
- https://launchpad.net/bugs/cve/CVE-2022-44571
- https://ubuntu.com/security/CVE-2022-44571
Frequently Asked Questions
What is the vulnerability ID for this vulnerability?
The vulnerability ID for this vulnerability is CVE-2022-44571.
What is the severity of CVE-2022-44571?
The severity of CVE-2022-44571 is high with a severity value of 7.5.
Which versions of Rack are affected by CVE-2022-44571?
Versions >= 2.0.0 of Rack are affected by CVE-2022-44571.
How do I fix CVE-2022-44571?
To fix CVE-2022-44571, update Rack to versions 2.0.9.2, 2.1.4.2, 2.2.6.1, or 3.0.0.1.
Where can I find more information about CVE-2022-44571?
You can find more information about CVE-2022-44571 at the following references: [Link 1](https://discuss.rubyonrails.org/t/cve-2022-44571-possible-denial-of-service-vulnerability-in-rack-content-disposition-parsing/82126), [Link 2](https://www.debian.org/security/2023/dsa-5530), [Link 3](https://github.com/rack/rack/commit/4e33ad10bf5f16d25c156f905bcc548e7f787bc3).
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