CVE-2022-30122
First published: Fri May 27 2022(Updated: )
A denial of service flaw was found in ruby-rack. An attacker crafting multipart POST requests can cause Rack's multipart parser to take much longer than expected, leading to a denial of service.
Credit: support@hackerone.com support@hackerone.com support@hackerone.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/rubygem-rack | <0:2.2.4-1.el7 | 0:2.2.4-1.el7 |
| redhat/tfm-rubygem-rack | <0:2.2.3.1-1.el7 | 0:2.2.3.1-1.el7 |
| redhat/rubygem-rack | <0:2.2.3.1-1.el8 | 0:2.2.3.1-1.el8 |
| Rack Project Rack | >=1.2<2.0.9.1 | |
| Rack Project Rack | >=2.1.0<2.1.4.1 | |
| Rack Project Rack | >=2.2.0<2.2.3.1 | |
| rubygems/rack | >=2.2<=2.2.3.0 | 2.2.3.1 |
| rubygems/rack | >=2.1<=2.1.4.0 | 2.1.4.1 |
| rubygems/rack | >=1.2<=2.0.9.0 | 2.0.9.1 |
| redhat/rubygem-rack | <2.0.9.1 | 2.0.9.1 |
| redhat/rubygem-rack | <2.1.4.1 | 2.1.4.1 |
| redhat/rubygem-rack | <2.2.3.1 | 2.2.3.1 |
| Debian Debian Linux | =11.0 | |
| debian/ruby-rack | 2.1.4-3+deb11u2 2.2.6.4-1+deb12u1 2.2.7-1.1 |
Never miss a vulnerability like this again
Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.
Reference Links
- https://www.cve.org/CVERecord?id=CVE-2022-30122 https://nvd.nist.gov/vuln/detail/CVE-2022-30122 https://github.com/rubysec/ruby-advisory-db/blob/master/gems/rack/CVE-2022-30122.yml
- https://bugzilla.redhat.com/show_bug.cgi?id=2099519
- https://access.redhat.com/errata/RHSA-2023:1486
- https://access.redhat.com/errata/RHSA-2022:7242
- https://access.redhat.com/security/cve/cve-2022-30122
- https://discuss.rubyonrails.org/t/cve-2022-30122-denial-of-service-vulnerability-in-rack-multipart-parsing/80729
- https://github.com/rubysec/ruby-advisory-db/blob/master/gems/rack/CVE-2022-30122.yml
- https://groups.google.com/g/ruby-security-ann/c/L2Axto442qk
- https://nvd.nist.gov/vuln/detail/CVE-2022-30122
- https://www.debian.org/security/2023/dsa-5530
- https://security.gentoo.org/glsa/202310-18
- https://security.netapp.com/advisory/ntap-20231208-0012/
- https://github.com/advisories/GHSA-hxqx-xwvh-44m2 (Advisory)
- https://launchpad.net/bugs/cve/CVE-2022-30122
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2099520
- https://github.com/rack/rack/commit/d286516cbd58fbb2ad6944ce9040e9ba96d9371a
- https://github.com/rack/rack/commit/a872bcce127a6f4a0f16af8f28b686955ba32814
- https://github.com/rack/rack/commit/41be3d7f3fd73ccf246ad97c3831d02f99d2ce84
- https://security-tracker.debian.org/tracker/CVE-2022-30122
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-30122
- https://ubuntu.com/security/CVE-2022-30122
Frequently Asked Questions
What is CVE-2022-30122?
CVE-2022-30122 is a denial of service vulnerability in the multipart parsing component of Rack.
Which versions of Rack are affected by CVE-2022-30122?
Versions >= 1.2 of Rack are affected by CVE-2022-30122.
How can I fix CVE-2022-30122?
To fix CVE-2022-30122, update to the fixed versions: 2.0.9.1, 2.1.4.1, or 2.2.3.1 of Rack.
What is the severity of CVE-2022-30122?
CVE-2022-30122 has a severity rating of 7.5 (High).
Where can I find more information about CVE-2022-30122?
You can find more information about CVE-2022-30122 in the references provided: [GitHub Advisory](https://github.com/rubysec/ruby-advisory-db/blob/master/gems/rack/CVE-2022-30122.yml), [Red Hat Bugzilla](https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2099520), [Red Hat Security Advisory](https://access.redhat.com/errata/RHSA-2022:7242).
- collector/redhat-cve
- collector/nvd-index
- collector/github-advisory-latest
- alias/GHSA-hxqx-xwvh-44m2
- alias/CVE-2022-30122
- agent/type
- agent/first-publish-date
- collector/launchpad-cve
- source/Launchpad
- collector/github-advisory
- source/GitHub
- agent/software-canonical-lookup
- agent/weakness
- agent/remedy
- agent/author
- agent/severity
- collector/redhat-bugzilla
- source/Red Hat
- collector/nvd-api
- agent/software-canonical-lookup-request
- collector/security-tracker-debian
- source/Debian
- agent/references
- agent/softwarecombine
- agent/tags
- collector/usn-cve
- source/Ubuntu
- agent/description
- agent/event
- collector/mitre-cve
- source/MITRE
- collector/nvd-cve
- source/NVD
- agent/last-modified-date
- agent/trending
- package-manager/redhat
- vendor/rack project
- canonical/rack project rack
- version/rack project rack/1.2
- version/rack project rack/2.1.0
- version/rack project rack/2.2.0
- package-manager/rubygems
- vendor/debian
- canonical/debian debian linux
- version/debian debian linux/11.0
- package-manager/debian