Vulnerability 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.
CVSS Score
9.8
CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Digint | Btrbk | < 0.31.2 |
| Debian | Debian Linux | 9.0 |
| Fedoraproject | Fedora | 34 |
Related Weaknesses (CWE)
References
- https://github.com/digint/btrbk/blob/master/ChangeLogRelease NotesThird Party Advisory
- https://github.com/digint/btrbk/commit/58212de771c381cd4fa05625927080bf264e9584PatchThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2021/09/msg00002.htmlMailing ListThird Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://github.com/digint/btrbk/blob/master/ChangeLogRelease NotesThird Party Advisory
- https://github.com/digint/btrbk/commit/58212de771c381cd4fa05625927080bf264e9584PatchThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2021/09/msg00002.htmlMailing ListThird Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
FAQ
What is CVE-2021-38173?
CVE-2021-38173 is a vulnerability with a CVSS score of 9.8 (CRITICAL). 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.
How severe is CVE-2021-38173?
CVE-2021-38173 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.
Is there a patch for CVE-2021-38173?
Check the references section above for vendor advisories and patch information. Affected products include: Digint Btrbk, Debian Debian Linux, Fedoraproject Fedora.