CVE-2022-23514

Inefficient Regular Expression Complexity in Loofah

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.

Category

7.5
CVSS
Severity: High
CVSS 3.1 •
EPSS 0.25%
Third-Party Advisory github.com Third-Party Advisory hackerone.com
Affected: flavorjones loofah
Published at:
Updated at:

References

Link Tags
https://github.com/flavorjones/loofah/security/advisories/GHSA-486f-hjj9-9vhh third party advisory
https://hackerone.com/reports/1684163 third party advisory permissions required
https://lists.debian.org/debian-lts-announce/2023/09/msg00011.html

Frequently Asked Questions

What is the severity of CVE-2022-23514?
CVE-2022-23514 has been scored as a high severity vulnerability.
How to fix CVE-2022-23514?
To fix CVE-2022-23514, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2022-23514 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2022-23514 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2022-23514?
CVE-2022-23514 affects flavorjones loofah.
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