7.5 High
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:P/I:P/A:P
9.8 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
9.8 High
AI Score
Confidence
High
0.004 Low
EPSS
Percentile
73.5%
Debian LTS Advisory DLA-2755-1 [email protected]
https://www.debian.org/lts/security/ Thorsten Alteholz
September 05, 2021 https://wiki.debian.org/LTS
Package : btrbk
Version : 0.24.0-1+deb9u1
CVE ID : CVE-2021-38173
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
OS | Version | Architecture | Package | Version | Filename |
---|---|---|---|---|---|
Debian | 9 | all | btrbk | < 0.24.0-1+deb9u1 | btrbk_0.24.0-1+deb9u1_all.deb |
Debian | 11 | all | btrbk | < 0.27.1-1.1+deb11u1 | btrbk_0.27.1-1.1+deb11u1_all.deb |
Debian | 10 | all | btrbk | < 0.27.1-1+deb10u1 | btrbk_0.27.1-1+deb10u1_all.deb |
7.5 High
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:P/I:P/A:P
9.8 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
9.8 High
AI Score
Confidence
High
0.004 Low
EPSS
Percentile
73.5%