CVE-2022-23514
high
CVSS v3
—
CVSS v2
—
VIR risk
8.0
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.
Predictions
Exploit likelihood
30%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2022-23514
Vendor advisory: suse — https://www.suse.com/security/cve/CVE-2022-23514.html
Vendor advisory: rocky — https://errata.rockylinux.org/RLSA-2023:2097
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| rocky | 8 | fixed | |
| sles | affected | | |
| debian | bookworm | fixed | 2.19.1-1 |
| debian | bullseye | fixed | 2.7.0+dfsg-1+deb11u1 |
| debian | forky | fixed | 2.19.1-1 |
| debian | sid | fixed | 2.19.1-1 |
| debian | trixie | fixed | 2.19.1-1 |
References
- https://github.com/flavorjones/loofah/security/advisories/GHSA-486f-hjj9-9vhh
- https://errata.rockylinux.org/RLSA-2023:2097
- https://www.suse.com/security/cve/CVE-2022-23514.html
- https://nvd.nist.gov/vuln/detail/CVE-2022-23514
- https://github.com/flavorjones/loofah/commit/a6e0a1ab90675a17b1b2be189129d94139e4b143
- https://hackerone.com/reports/1684163
- https://github.com/flavorjones/loofah
- https://github.com/rubysec/ruby-advisory-db/blob/master/gems/loofah/CVE-2022-23514.yml
- https://lists.debian.org/debian-lts-announce/2023/09/msg00011.html
- https://lists.debian.org/debian-lts-announce/2024/09/msg00044.html
- https://security-tracker.debian.org/tracker/CVE-2022-23514
Verify integrity in audit chain (admin only). AS-IS.