Arbitrary Code Injection Affecting rubygem24-io-console package, versions <0:0.4.6-2.12.amzn1


Severity

Recommended
0.0
high
0
10

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
4.19% (90th percentile)

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  • Snyk IDSNYK-AMZN201803-RUBYGEM24IOCONSOLE-1723492
  • published27 Sept 2021
  • disclosed26 Nov 2019

Introduced: 26 Nov 2019

CVE-2019-16255  (opens in a new tab)
CWE-94  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2018.03 rubygem24-io-console to version 0:0.4.6-2.12.amzn1 or higher.
This issue was patched in ALAS-2020-1422.

NVD Description

Note: Versions mentioned in the description apply only to the upstream rubygem24-io-console package and not the rubygem24-io-console package as distributed by Amazon-Linux. See How to fix? for Amazon-Linux:2018.03 relevant fixed versions and status.

Ruby through 2.4.7, 2.5.x through 2.5.6, and 2.6.x through 2.6.4 allows code injection if the first argument (aka the "command" argument) to Shell#[] or Shell#test in lib/shell.rb is untrusted data. An attacker can exploit this to call an arbitrary Ruby method.

CVSS Base Scores

version 3.1