CVE-2022-23514

high

Description

Loofah is a general library for manipulating and transforming HTML/XML documents and fragments, built on top of Nokogiri. Loofah < 2.19.1 contains 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 is patched in version 2.19.1.

References

https://lists.debian.org/debian-lts-announce/2023/09/msg00011.html

https://hackerone.com/reports/1684163

https://github.com/flavorjones/loofah/security/advisories/GHSA-486f-hjj9-9vhh

Details

Source: Mitre, NVD

Published: 2022-12-14

Updated: 2023-09-13

Risk Information

CVSS v2

Base Score: 7.8

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:C

Severity: High

CVSS v3

Base Score: 7.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Severity: High