| Name | 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. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | DLA-2755-1 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| btrbk (PTS) | buster | 0.27.1-1+deb10u2 | fixed |
| bullseye | 0.27.1-1.1+deb11u2 | fixed |
| sid, trixie, bookworm | 0.32.5-1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| btrbk | source | stretch | 0.24.0-1+deb9u1 | | DLA-2755-1 | |
| btrbk | source | buster | 0.27.1-1+deb10u1 | | | |
| btrbk | source | bullseye | 0.27.1-1.1+deb11u1 | | | |
| btrbk | source | (unstable) | 0.27.1-2 | | | |
Notes
Fixed by: https://github.com/digint/btrbk/commit/58212de771c381cd4fa05625927080bf264e9584 (v0.31.2)
Introduced by: https://github.com/digint/btrbk/commit/ccb5ed5e7191a083da52998df4c880f693451144 (v0.23.0-rc1)