SB2024020230 - Fedora 39 update for python-nikola



SB2024020230 - Fedora 39 update for python-nikola

Published: February 2, 2024

Security Bulletin ID SB2024020230
Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Denial of service

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Incorrect Regular Expression (CVE-ID: CVE-2023-22467)

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to an incorrect regular expression when parsing untrusted input within the Luxon's DateTime.fromRFC2822() function. A remote attacker can causes a noticeable slowdown for inputs with lengths above 10k characters.

Note, this is the same vulnerability as #VU65835 (CVE-2022-31129) reported earlier for moment.js.


Remediation

Install update from vendor's website.