CVE-2023-28756

Public on 2023-03-31
Modified on 2024-01-12
Description
A ReDoS issue was discovered in the Time component through 0.2.1 in Ruby through 3.2.1. The Time parser mishandles invalid URLs that have specific characters. It causes an increase in execution time for parsing strings to Time objects. The fixed versions are 0.1.1 and 0.2.2.
Severity
Medium severity
Medium
CVSS v3 Base Score
6.5
See breakdown

Affected Packages

Platform Package Release Date Advisory Status
Amazon Linux 2 - Core ruby 2023-06-07 ALAS2-2023-2084 Fixed
Amazon Linux 2 - Ruby3.0 Extra ruby 2023-08-04 ALAS2RUBY3.0-2023-001 Fixed
Amazon Linux 1 ruby20 No Fix Planned
Amazon Linux 1 ruby21 No Fix Planned
Amazon Linux 1 ruby22 No Fix Planned
Amazon Linux 1 ruby23 No Fix Planned
Amazon Linux 1 ruby24 No Fix Planned
Amazon Linux 2023 ruby3.2 2023-04-13 ALAS2023-2023-158 Fixed

CVSS Scores

Score Type Score Vector
Amazon Linux CVSSv3 6.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
NVD CVSSv3 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L