CVE-2021-38173

Description

Btrbk before 0.31.2 allows command execution because of the mishandling of remote hosts filtering SSH commands using ssh_filter_btrbk.sh in authorized_keys.

Category

9.8
CVSS
Severity: Critical
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.20%
Vendor Advisory fedoraproject.org Vendor Advisory fedoraproject.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://github.com/digint/btrbk/commit/58212de771c381cd4fa05625927080bf264e9584 third party advisory patch
https://github.com/digint/btrbk/blob/master/ChangeLog third party advisory release notes
https://lists.debian.org/debian-lts-announce/2021/09/msg00002.html third party advisory mailing list
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LM7GLTUN5YS4KE2RNBX732EAMVVGNEX3/ vendor advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BP2T32JMENJFRP2HWXR7FTTZVRTTPECL/ vendor advisory

Frequently Asked Questions

What is the severity of CVE-2021-38173?
CVE-2021-38173 has been scored as a critical severity vulnerability.
How to fix CVE-2021-38173?
To fix CVE-2021-38173, 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-2021-38173 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-38173 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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