Arbitrary Command Injection Affecting ruby-irb package, versions <0:2.0.0.648-36.amzn2.0.2
Threat Intelligence
EPSS
0.07% (29th
percentile)
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Test your applications- Snyk ID SNYK-AMZN2-RUBYIRB-3327375
- published 22 Feb 2023
- disclosed 30 Jul 2021
Introduced: 30 Jul 2021
CVE-2021-31799 Open this link in a new tabHow to fix?
Upgrade Amazon-Linux:2 ruby-irb to version 0:2.0.0.648-36.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 ruby-irb package and not the ruby-irb 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.
References
- http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-31799
- https://www.ruby-lang.org/en/news/2021/05/02/os-command-injection-in-rdoc/
- https://security-tracker.debian.org/tracker/CVE-2021-31799
- https://security.netapp.com/advisory/ntap-20210902-0004/
- https://lists.debian.org/debian-lts-announce/2021/10/msg00009.html
- https://www.oracle.com/security-alerts/cpuapr2022.html
- https://security.gentoo.org/glsa/202401-05
CVSS Scores
version 3.1