CVE-2021-38173

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2021-38173
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.

9.8 /10

CVSS v3 : CRITICAL

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

7.5 /10

CVSS v2.0 : HIGH

V2 Legend

Vector : AV:N/AC:L/Au:N/C:P/I:P/A:P

Exploitability : 10.0 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References
Link Resource
https://github.com/digint/btrbk/blob/master/ChangeLog Release Notes Third Party Advisory
https://github.com/digint/btrbk/commit/58212de771c381cd4fa05625927080bf264e9584 Patch Third Party Advisory
https://lists.debian.org/debian-lts-announce/2021/09/msg00002.html Mailing List Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BP2T32JMENJFRP2HWXR7FTTZVRTTPECL/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LM7GLTUN5YS4KE2RNBX732EAMVVGNEX3/
https://github.com/digint/btrbk/blob/master/ChangeLog Release Notes Third Party Advisory
https://github.com/digint/btrbk/commit/58212de771c381cd4fa05625927080bf264e9584 Patch Third Party Advisory
https://lists.debian.org/debian-lts-announce/2021/09/msg00002.html Mailing List Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BP2T32JMENJFRP2HWXR7FTTZVRTTPECL/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LM7GLTUN5YS4KE2RNBX732EAMVVGNEX3/
Configurations

Configuration 1 (hide)

cpe:2.3:a:digint:btrbk:*:*:*:*:*:*:*:*

Configuration 2 (hide)

cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*

Configuration 3 (hide)

OR cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*
History

21 Nov 2024, 06:16

Type Values Removed Values Added
References () https://github.com/digint/btrbk/blob/master/ChangeLog - Release Notes, Third Party Advisory () https://github.com/digint/btrbk/blob/master/ChangeLog - Release Notes, Third Party Advisory
References () https://github.com/digint/btrbk/commit/58212de771c381cd4fa05625927080bf264e9584 - Patch, Third Party Advisory () https://github.com/digint/btrbk/commit/58212de771c381cd4fa05625927080bf264e9584 - Patch, Third Party Advisory
References () https://lists.debian.org/debian-lts-announce/2021/09/msg00002.html - Mailing List, Third Party Advisory () https://lists.debian.org/debian-lts-announce/2021/09/msg00002.html - Mailing List, Third Party Advisory
References () https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BP2T32JMENJFRP2HWXR7FTTZVRTTPECL/ - () https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BP2T32JMENJFRP2HWXR7FTTZVRTTPECL/ -
References () https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LM7GLTUN5YS4KE2RNBX732EAMVVGNEX3/ - () https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LM7GLTUN5YS4KE2RNBX732EAMVVGNEX3/ -

25 Mar 2022, 15:43

Type Values Removed Values Added
CPE cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*
References (FEDORA) https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/LM7GLTUN5YS4KE2RNBX732EAMVVGNEX3/ - (FEDORA) https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/LM7GLTUN5YS4KE2RNBX732EAMVVGNEX3/ - Mailing List, Third Party Advisory
References (FEDORA) https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/BP2T32JMENJFRP2HWXR7FTTZVRTTPECL/ - (FEDORA) https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/BP2T32JMENJFRP2HWXR7FTTZVRTTPECL/ - Mailing List, Third Party Advisory

19 Jan 2022, 04:15

Type Values Removed Values Added
References
  • (FEDORA) https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/LM7GLTUN5YS4KE2RNBX732EAMVVGNEX3/ -
  • (FEDORA) https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/BP2T32JMENJFRP2HWXR7FTTZVRTTPECL/ -

14 Sep 2021, 18:52

Type Values Removed Values Added
References (MLIST) https://lists.debian.org/debian-lts-announce/2021/09/msg00002.html - (MLIST) https://lists.debian.org/debian-lts-announce/2021/09/msg00002.html - Mailing List, Third Party Advisory
CPE cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*

06 Sep 2021, 01:15

Type Values Removed Values Added
References
  • (MLIST) https://lists.debian.org/debian-lts-announce/2021/09/msg00002.html -

17 Aug 2021, 17:16

Type Values Removed Values Added
References (MISC) https://github.com/digint/btrbk/commit/58212de771c381cd4fa05625927080bf264e9584 - (MISC) https://github.com/digint/btrbk/commit/58212de771c381cd4fa05625927080bf264e9584 - Patch, Third Party Advisory
References (CONFIRM) https://github.com/digint/btrbk/blob/master/ChangeLog - (CONFIRM) https://github.com/digint/btrbk/blob/master/ChangeLog - Release Notes, Third Party Advisory
CVSS v2 : unknown
v3 : unknown 		v2 : 7.5
v3 : 9.8
CWE CWE-77
CPE cpe:2.3:a:digint:btrbk:*:*:*:*:*:*:*:*

07 Aug 2021, 19:15

Type Values Removed Values Added
New CVE
Information

Published : 2021-08-07 19:15

Updated : 2024-11-21 06:16

NVD link : CVE-2021-38173

Mitre link : CVE-2021-38173

CVE.ORG link : CVE-2021-38173

JSON object : View

Products Affected

fedoraproject

  • fedora

digint

  • btrbk

debian

  • debian_linux
CWE
CWE-77

Improper Neutralization of Special Elements used in a Command ('Command Injection')