CVE-2021-38173 Information

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 Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Reference

https://github.com/digint/btrbk/commit/58212de771c381cd4fa05625927080bf264e9584 https://github.com/digint/btrbk/blob/master/ChangeLog https://lists.debian.org/debian-lts-announce/2021/09/msg00002.html https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/LM7GLTUN5YS4KE2RNBX732EAMVVGNEX3/ https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/BP2T32JMENJFRP2HWXR7FTTZVRTTPECL/

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

9.8