Arbitrary Command Injection Affecting ruby2.7 package, versions <2.7.4-1


Severity

Recommended
0.0
high
0
10

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Threat Intelligence

EPSS
0.81% (73rd percentile)

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  • Snyk IDSNYK-DEBIAN11-RUBY27-1316292
  • published8 Jul 2021
  • disclosed30 Jul 2021

Introduced: 8 Jul 2021

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

How to fix?

Upgrade Debian:11 ruby2.7 to version 2.7.4-1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream ruby2.7 package and not the ruby2.7 package as distributed by Debian. See How to fix? for Debian:11 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 Base Scores

version 3.1