CVE-2021-31799

Description

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.

Category

7.0
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 1.37% Top 25%
Vendor Advisory gentoo.org Vendor Advisory ruby-lang.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://lists.debian.org/debian-lts-announce/2021/10/msg00009.html third party advisory mailing list
https://www.oracle.com/security-alerts/cpuapr2022.html third party advisory patch
https://www.ruby-lang.org/en/news/2021/05/02/os-command-injection-in-rdoc/ patch vendor advisory
https://security-tracker.debian.org/tracker/CVE-2021-31799 third party advisory
https://security.netapp.com/advisory/ntap-20210902-0004/ third party advisory
https://security.gentoo.org/glsa/202401-05 vendor advisory

Frequently Asked Questions

What is the severity of CVE-2021-31799?
CVE-2021-31799 has been scored as a high severity vulnerability.
How to fix CVE-2021-31799?
To fix CVE-2021-31799, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-31799 being actively exploited in the wild?
It is possible that CVE-2021-31799 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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