Arbitrary Command Injection Affecting rubygem-rdoc package, versions <0:4.0.0-36.amzn2.0.2


Severity

Recommended
medium

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
0.05% (19th percentile)

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  • Snyk IDSNYK-AMZN2-RUBYGEMRDOC-3327385
  • published22 Feb 2023
  • 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:2 rubygem-rdoc to version 0:4.0.0-36.amzn2.0.2 or higher.
This issue was patched in ALAS2-2021-1641.

NVD Description

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