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CVE-2022-23517

HIGH

7.5

Description

rails-html-sanitizer is responsible for sanitizing HTML fragments in Rails applications. 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. This issue has been patched in version 1.4.4.

CVE Details

CVSS v3.1 Score7.5

SeverityHIGH

CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredNONE

User InteractionNONE

Published12/14/2022

Last Modified11/3/2025

Sourcenvd

Honeypot Sightings0

Affected Products

debian:debian_linuxrubyonrails:rails_html_sanitizers

Weaknesses (CWE)

CWE-1333

References

https://github.com/rails/rails-html-sanitizer/commit/56c61c0cebd1e493e8ad7bca2a0191609a4a6979(security-advisories@github.com)

https://github.com/rails/rails-html-sanitizer/security/advisories/GHSA-5x79-w82f-gw8w(security-advisories@github.com)

https://hackerone.com/reports/1684163(security-advisories@github.com)

https://lists.debian.org/debian-lts-announce/2023/09/msg00012.html(security-advisories@github.com)

https://github.com/rails/rails-html-sanitizer/commit/56c61c0cebd1e493e8ad7bca2a0191609a4a6979(af854a3a-2127-422b-91ae-364da2661108)

https://github.com/rails/rails-html-sanitizer/security/advisories/GHSA-5x79-w82f-gw8w(af854a3a-2127-422b-91ae-364da2661108)

https://hackerone.com/reports/1684163(af854a3a-2127-422b-91ae-364da2661108)

https://lists.debian.org/debian-lts-announce/2023/09/msg00012.html(af854a3a-2127-422b-91ae-364da2661108)

https://lists.debian.org/debian-lts-announce/2024/09/msg00045.html(af854a3a-2127-422b-91ae-364da2661108)

IOC Correlations

No correlations recorded

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