CVE-2021-22902
First published: Wed May 05 2021(Updated: )
A flaw was found in RubyGem Actionpack which is framework for handling and responding to web requests in Rails. A possible Denial of Service vulnerability was found in the Mime type parser of Action Dispatch.
Credit: support@hackerone.com support@hackerone.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/tfm-rubygem-rails | <0:6.0.3.7-1.el7 | 0:6.0.3.7-1.el7 |
| rubygems/actionpack | >=6.1.0<=6.1.3.1 | 6.1.3.2 |
| rubygems/actionpack | >=6.0.0<=6.0.3.6 | 6.0.3.7 |
| Rubyonrails Rails | >=6.0.0<6.0.3.7 | |
| Rubyonrails Rails | >=6.1.0<6.1.0.2 | |
| debian/rails | 2:5.2.2.1+dfsg-1+deb10u3 2:5.2.2.1+dfsg-1+deb10u5 2:6.0.3.7+dfsg-2+deb11u2 2:6.1.7.3+dfsg-1 2:6.1.7.3+dfsg-2 |
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://github.com/rails/rails/releases/tag/v6.0.3.7
- https://github.com/rails/rails/releases/tag/v6.1.3.2
- https://groups.google.com/g/rubyonrails-security/c/_5ID_ld9u1c
- https://nvd.nist.gov/vuln/detail/CVE-2021-22902
- https://hackerone.com/reports/1138654
- https://discuss.rubyonrails.org/t/cve-2021-22902-possible-denial-of-service-vulnerability-in-action-dispatch/77866
- https://github.com/rubysec/ruby-advisory-db/blob/master/gems/actionpack/CVE-2021-22902.yml
- https://github.com/advisories/GHSA-g8ww-46x2-2p65 (Advisory)
- https://access.redhat.com/security/cve/CVE-2021-22902
- http://tenderlovemaking.com/
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1961383
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1961738
- https://access.redhat.com/errata/RHSA-2021:4702
- https://bugzilla.redhat.com/show_bug.cgi?id=1961382
- https://www.cve.org/CVERecord?id=CVE-2021-22902 https://nvd.nist.gov/vuln/detail/CVE-2021-22902 https://discuss.rubyonrails.org/t/cve-2021-22902-possible-denial-of-service-vulnerability-in-action-dispatch/77866
- https://github.com/rails/rails/commit/b61b94181b2a0cecab49d90d8f259bc8e39b662a
- https://github.com/rails/rails/commit/446afbd15360a347c923ca775b21a286dcb5297a
- https://security-tracker.debian.org/tracker/CVE-2021-22902
Frequently Asked Questions
What is CVE-2021-22902?
CVE-2021-22902 is a Denial of Service vulnerability in Action Dispatch, a component of RubyGem Actionpack.
What is the impact of CVE-2021-22902?
The vulnerability in CVE-2021-22902 can lead to a Denial of Service attack by causing catastrophic backtracking in the mime type parser.
How severe is CVE-2021-22902?
CVE-2021-22902 has a severity rating of 7.5 (High).
Which software versions are affected by CVE-2021-22902?
Actionpack versions 6.1.0 to 6.1.3.1 and 6.0.0 to 6.0.3.6 are affected by CVE-2021-22902.
How can I fix CVE-2021-22902?
To fix CVE-2021-22902, update your Actionpack to version 6.1.3.2 or 6.0.3.7.
- collector/github-advisory-latest
- alias/GHSA-g8ww-46x2-2p65
- alias/CVE-2021-22902
- collector/github-advisory
- collector/redhat-cve
- collector/security-tracker-debian
- collector/nvd-index
- collector/nvd-cve
- agent/author
- agent/type
- agent/last-modified-date
- agent/first-publish-date
- agent/softwarecombine
- agent/remedy
- agent/weakness
- agent/references
- agent/severity
- agent/description
- collector/redhat-bugzilla
- source/Red Hat
- agent/software-canonical-lookup
- agent/tags
- agent/event
- agent/trending
- package-manager/rubygems
- package-manager/redhat
- package-manager/debian
- vendor/rubyonrails
- canonical/rubyonrails rails
- version/rubyonrails rails/6.0.0
- version/rubyonrails rails/6.1.0