Improper Input Validation Affecting rubygem-psych package, versions <0:2.0.0-36.amzn2.0.4


Severity

Recommended
0.0
medium
0
10

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
0.34% (72nd percentile)

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  • Snyk IDSNYK-AMZN2-RUBYGEMPSYCH-5702707
  • published13 Jun 2023
  • disclosed31 Mar 2023

Introduced: 31 Mar 2023

CVE-2023-28756  (opens in a new tab)
CWE-20  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2 rubygem-psych to version 0:2.0.0-36.amzn2.0.4 or higher.
This issue was patched in ALAS2-2023-2084.

NVD Description

Note: Versions mentioned in the description apply only to the upstream rubygem-psych package and not the rubygem-psych package as distributed by Amazon-Linux. See How to fix? for Amazon-Linux:2 relevant fixed versions and status.

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.

CVSS Scores

version 3.1