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Improper Input Validation Affecting rubygem23-psych package, versions <0:2.1.0.1-1.17.amzn1

Severity

 Recommended
0.0
medium
0
10

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
1.02% (84th percentile)

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  • Snyk IDSNYK-AMZN201803-RUBYGEM23PSYCH-1708110
  • published27 Sept 2021
  • disclosed31 Aug 2017
Report a new vulnerability Found a mistake?

Introduced: 31 Aug 2017

CVE-2017-0900  (opens in a new tab)
CWE-20  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2018.03 rubygem23-psych to version 0:2.1.0.1-1.17.amzn1 or higher.
This issue was patched in ALAS-2017-906.

NVD Description

Note: Versions mentioned in the description apply only to the upstream rubygem23-psych package and not the rubygem23-psych package as distributed by Amazon-Linux. See How to fix? for Amazon-Linux:2018.03 relevant fixed versions and status.

RubyGems version 2.6.12 and earlier is vulnerable to maliciously crafted gem specifications to cause a denial of service attack against RubyGems clients who have issued a query command.