CVE-2021-38173
Published on: 08/07/2021 12:00:00 AM UTC
Last Modified on: 03/25/2022 03:43:00 PM UTC
Certain versions of Debian Linux from Debian contain the following vulnerability:
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.
- CVE-2021-38173 has been assigned by
[email protected] to track the vulnerability - currently rated as CRITICAL severity.
CVSS3 Score: 9.8 - CRITICAL
Attack Vector ⓘ |
Attack Complexity |
Privileges Required |
User Interaction |
---|---|---|---|
NETWORK | LOW | NONE | NONE |
Scope | Confidentiality Impact |
Integrity Impact |
Availability Impact |
UNCHANGED | HIGH | HIGH | HIGH |
CVSS2 Score: 7.5 - HIGH
Access Vector ⓘ |
Access Complexity |
Authentication |
---|---|---|
NETWORK | LOW | NONE |
Confidentiality Impact |
Integrity Impact |
Availability Impact |
PARTIAL | PARTIAL | PARTIAL |
CVE References
Description | Tags ⓘ | Link |
---|---|---|
[SECURITY] Fedora 34 Update: btrbk-0.31.3-1.fc34 - package-announce - Fedora Mailing-Lists | lists.fedoraproject.org text/html |
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[SECURITY] Fedora 35 Update: btrbk-0.31.3-1.fc35 - package-announce - Fedora Mailing-Lists | lists.fedoraproject.org text/html |
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btrbk/ChangeLog at master · digint/btrbk · GitHub | github.com text/html |
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[SECURITY] [DLA 2755-1] btrbk security update | lists.debian.org text/html |
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ssh_filter_btrbk.sh: fix alternation regex · digint/[email protected] · GitHub | github.com text/html |
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Related QID Numbers
Exploit/POC from Github
PoC for exploiting CVE-2021-38173 : Btrbk before 0.31.2 allows command execution because of the mishandling of remote…
Known Affected Configurations (CPE V2.3)
Type | Vendor | Product | Version | Update | Edition | Language |
---|---|---|---|---|---|---|
Operating System | Debian | Debian Linux | 9.0 | All | All | All |
Application | Digint | Btrbk | All | All | All | All |
Operating System | Fedoraproject | Fedora | 34 | All | All | All |
Operating System | Fedoraproject | Fedora | 35 | All | All | All |
- cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*:
- cpe:2.3:a:digint:btrbk:*:*:*:*:*:*:*:*:
- cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*:
- cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*:
No vendor comments have been submitted for this CVE
Social Mentions
Source | Title | Posted (UTC) |
---|---|---|
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CVE-2021-38173 : Btrbk before 0.31.2 allows command execution because of the mishandling of remote hosts filtering… twitter.com/i/web/status/1… | 2021-08-07 19:03:30 |
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CVE-2021-38173 Btrbk before 0.31.2 allows command execution because of the mishandling of remote hosts filtering SS… twitter.com/i/web/status/1… | 2021-08-08 07:09:29 |