Debian Security Advisory
DLA-2755-1 btrbk -- LTS security update
- Date Reported:
- 05 Sep 2021
- Affected Packages:
- Security database references:
- In Mitre's CVE dictionary: CVE-2021-38173.
- More information:
An issue has been found in btrbk, a backup tool for btrfs subvolumes. Due to mishandling of remote hosts filtering SSH commands using ssh_filter_btrbk.sh in authorized_keys an arbitrary code execution would have been allowed.
For Debian 9 stretch, this problem has been fixed in version 0.24.0-1+deb9u1.
We recommend that you upgrade your btrbk packages.
For the detailed security status of btrbk please refer to its security tracker page at: https://security-tracker.debian.org/tracker/btrbk
Further information about Debian LTS security advisories, how to apply these updates to your system and frequently asked questions can be found at: https://wiki.debian.org/LTS