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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
See what this means
CVSS v3 Base Score
6.5
See breakdown

Affected Packages

Platform Package Release Date Advisory
Amazon Linux 2 - Core ruby 2023-06-07 23:52 ALAS2-2023-2084
Amazon Linux 2 - Ruby3.0 Extra ruby 2023-08-04 20:34 ALAS2RUBY3.0-2023-001
Amazon Linux 2023 ruby3.2 2023-04-13 17:56 ALAS2023-2023-158

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

References

Red Hat: CVE-2023-28756 Mitre: CVE-2023-28756 FAQs regarding Amazon Linux ALAS/CVE Severity