CVE-2022-23517: Inefficient Regular Expression Complexity in rails-html-sanitizer
First published: Tue Dec 13 2022(Updated: )
## Summary Certain configurations of rails-html-sanitizer `< 1.4.4` use an inefficient regular expression that is susceptible to excessive backtracking when attempting to sanitize certain SVG attributes. This may lead to a denial of service through CPU resource consumption. ## Mitigation Upgrade to rails-html-sanitizer `>= 1.4.4`. ## Severity The maintainers have evaluated this as [High Severity 7.5 (CVSS3.1)](https://www.first.org/cvss/calculator/3.1#CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H). ## References - [CWE - CWE-1333: Inefficient Regular Expression Complexity (4.9)](https://cwe.mitre.org/data/definitions/1333.html) - https://hackerone.com/reports/1684163 ## Credit This vulnerability was responsibly reported by @ooooooo-q (https://github.com/ooooooo-q).
Credit: security-advisories@github.com security-advisories@github.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| rubygems/rails-html-sanitizer | <1.4.4 | 1.4.4 |
| redhat/rubygem-rails-html-sanitizer | <0:1.4.4-1.el8 | 0:1.4.4-1.el8 |
| Rails Html Sanitizer Project Rails Html Sanitizer | <1.4.4 | |
| redhat/rubygem-rails-html-sanitizer | <1.4.4 | 1.4.4 |
| Rubyonrails Rails Html Sanitizers | <1.4.4 | |
| Debian Debian Linux | =10.0 |
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-html-sanitizer/security/advisories/GHSA-5x79-w82f-gw8w
- https://github.com/rails/rails-html-sanitizer/commit/56c61c0cebd1e493e8ad7bca2a0191609a4a6979
- https://hackerone.com/reports/1684163
- https://github.com/rubysec/ruby-advisory-db/blob/master/gems/rails-html-sanitizer/CVE-2022-23517.yml
- https://nvd.nist.gov/vuln/detail/CVE-2022-23517
- https://lists.debian.org/debian-lts-announce/2023/09/msg00012.html
- https://github.com/advisories/GHSA-5x79-w82f-gw8w (Advisory)
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2153722
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2153723
- https://access.redhat.com/errata/RHSA-2023:2097
- https://access.redhat.com/security/cve/cve-2022-23517
- https://bugzilla.redhat.com/show_bug.cgi?id=2153720
- https://www.cve.org/CVERecord?id=CVE-2022-23517 https://nvd.nist.gov/vuln/detail/CVE-2022-23517 https://github.com/rails/rails-html-sanitizer/security/advisories/GHSA-5x79-w82f-gw8w
Frequently Asked Questions
What is the vulnerability ID?
The vulnerability ID is CVE-2022-23517.
What is the title of the vulnerability?
The title of the vulnerability is 'An inefficient Regular Expression vulnerability was found in rubygem rails-html-sanitizer.'
What is the severity of CVE-2022-23517?
The severity of CVE-2022-23517 is high.
What is the mitigation for CVE-2022-23517?
The mitigation for CVE-2022-23517 is to upgrade to version 1.4.4 or higher of rails-html-sanitizer.
Which software versions are affected by CVE-2022-23517?
Certain configurations of rails-html-sanitizer < 1.4.4 are affected by CVE-2022-23517.
- collector/github-advisory-latest
- alias/GHSA-5x79-w82f-gw8w
- alias/CVE-2022-23517
- collector/github-advisory
- collector/redhat-cve
- collector/nvd-index
- agent/author
- agent/type
- agent/first-publish-date
- agent/references
- agent/severity
- agent/remedy
- agent/weakness
- collector/redhat-bugzilla
- source/Red Hat
- agent/software-canonical-lookup
- collector/nvd-api
- source/NVD
- agent/softwarecombine
- agent/description
- collector/mitre-cve
- source/MITRE
- agent/title
- agent/last-modified-date
- agent/event
- agent/tags
- package-manager/rubygems
- package-manager/redhat
- vendor/rails html sanitizer project
- canonical/rails html sanitizer project rails html sanitizer
- vendor/rubyonrails
- canonical/rubyonrails rails html sanitizers
- vendor/debian
- canonical/debian debian linux
- version/debian debian linux/10.0