Arbitrary Command Injection Affecting rubygems24 package, versions <0:2.6.14.4-2.15.amzn1


Severity

Recommended
low

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
0.05% (19th percentile)

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  • Snyk IDSNYK-AMZN201803-RUBYGEMS24-1726549
  • published27 Sept 2021
  • disclosed30 Jul 2021

Introduced: 30 Jul 2021

CVE-2021-31799  (opens in a new tab)
CWE-77  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2018.03 rubygems24 to version 0:2.6.14.4-2.15.amzn1 or higher.
This issue was patched in ALAS-2021-1506.

NVD Description

Note: Versions mentioned in the description apply only to the upstream rubygems24 package and not the rubygems24 package as distributed by Amazon-Linux. See How to fix? for Amazon-Linux:2018.03 relevant fixed versions and status.

In RDoc 3.11 through 6.x before 6.3.1, as distributed with Ruby through 3.0.1, it is possible to execute arbitrary code via | and tags in a filename.

CVSS Scores

version 3.1