CVE-2023-22467 – luxon

Package

Manager: npm
Name: luxon
Vulnerable Version: >=1.0.0 <1.28.1 || >=2.0.0 <2.5.2 || >=3.0.0 <3.2.1

Severity

Level: High

CVSS v3.1: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

EPSS: 0.00502 pctl0.65041

Details

Luxon Inefficient Regular Expression Complexity vulnerability # Impact Luxon's `DateTime.fromRFC2822() has quadratic (N^2) complexity on some specific inputs. This causes a noticeable slowdown for inputs with lengths above 10k characters. Users providing untrusted data to this method are therefore vulnerable to (Re)DoS attacks. This is the same bug as Moment's https://github.com/moment/moment/security/advisories/GHSA-wc69-rhjr-hc9g # Workarounds Limit the length of the input. # References There is an excellent writeup of the same issue in Moment: https://github.com/moment/moment/pull/6015#issuecomment-1152961973 # Details `DateTime.fromRFC2822("(".repeat(500000))` takes a couple minutes to complete.

Metadata

Created: 2023-01-09T14:10:49Z
Modified: 2024-02-12T06:30:33Z
Source: https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2023/01/GHSA-3xq5-wjfh-ppjc/GHSA-3xq5-wjfh-ppjc.json
CWE IDs: ["CWE-1333"]
Alternative ID: GHSA-3xq5-wjfh-ppjc
Finding: F211
Auto approve: 1