CVE-2021-41617

Published on: 09/26/2021 12:00:00 AM UTC

Last Modified on: 11/30/2021 10:37:00 PM UTC

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Certain versions of Fedora from Fedoraproject contain the following vulnerability:

sshd in OpenSSH 6.2 through 8.x before 8.8, when certain non-default configurations are used, allows privilege escalation because supplemental groups are not initialized as expected. Helper programs for AuthorizedKeysCommand and AuthorizedPrincipalsCommand may run with privileges associated with group memberships of the sshd process, if the configuration specifies running the command as a different user.

  • CVE-2021-41617 has been assigned by URL Logo [email protected] to track the vulnerability - currently rated as HIGH severity.

CVSS3 Score: 7 - HIGH

Attack
Vector
Attack
Complexity
Privileges
Required
User
Interaction
LOCAL HIGH LOW NONE
Scope Confidentiality
Impact
Integrity
Impact
Availability
Impact
UNCHANGED HIGH HIGH HIGH

CVSS2 Score: 4.4 - MEDIUM

Access
Vector
Access
Complexity
Authentication
LOCAL MEDIUM NONE
Confidentiality
Impact
Integrity
Impact
Availability
Impact
PARTIAL PARTIAL PARTIAL

CVE References

Description Tags Link
www.openssh.com
text/plain
URL Logo MISC www.openssh.com/txt/release-8.8
oss-security - Announce: OpenSSH 8.8 released www.openwall.com
text/html
URL Logo MISC www.openwall.com/lists/oss-security/2021/09/26/1
[SECURITY] Fedora 35 Update: openssh-8.7p1-2.fc35 - package-announce - Fedora Mailing-Lists lists.fedoraproject.org
text/html
URL Logo FEDORA FEDORA-2021-f8df0f8563
[SECURITY] Fedora 34 Update: openssh-8.6p1-5.fc34 - package-announce - Fedora Mailing-Lists lists.fedoraproject.org
text/html
URL Logo FEDORA FEDORA-2021-1f7339271d
OpenSSH: Security www.openssh.com
text/html
URL Logo MISC www.openssh.com/security.html
Bug 1190975 – VUL-0: CVE-2021-41617: openssh-openssl1,openssh: privilege escalation when AuthorizedKeysCommand/AuthorizedPrincipalsCommand are configured bugzilla.suse.com
text/html
URL Logo CONFIRM bugzilla.suse.com/show_bug.cgi?id=1190975
CVE-2021-41617 OpenSSH Vulnerability in NetApp Products | NetApp Product Security security.netapp.com
text/html
URL Logo CONFIRM security.netapp.com/advisory/ntap-20211014-0004/
[SECURITY] Fedora 33 Update: openssh-8.4p1-8.fc33 - package-announce - Fedora Mailing-Lists lists.fedoraproject.org
text/html
URL Logo FEDORA FEDORA-2021-fa0e94198f

Related QID Numbers

  • 239905 Red Hat Update for openssh (RHSA-2021:4782)
  • 281952 Fedora Security Update for openssh (FEDORA-2021-1f7339271d)
  • 281986 Fedora Security Update for openssh (FEDORA-2021-fa0e94198f)
  • 690195 Free Berkeley Software Distribution (FreeBSD) Security Update for openssh (2a1b931f-2b86-11ec-8acd-c80aa9043978)

Known Affected Configurations (CPE V2.3)

Type Vendor Product Version Update Edition Language
Operating
System
FedoraprojectFedora33AllAllAll
Operating
System
FedoraprojectFedora34AllAllAll
Operating
System
FedoraprojectFedora35AllAllAll
ApplicationNetappActive Iq Unified Manager-AllAllAll
HardwareNetappAff 500f-AllAllAll
Operating
System
NetappAff 500f Firmware-AllAllAll
HardwareNetappAff A250-AllAllAll
Operating
System
NetappAff A250 Firmware-AllAllAll
ApplicationNetappClustered Data Ontap-AllAllAll
ApplicationNetappHci Management Node-AllAllAll
ApplicationNetappOntap Select Deploy Administration Utility-AllAllAll
ApplicationNetappSolidfire-AllAllAll
ApplicationOpenbsdOpensshAllAllAllAll
  • cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*:
  • cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*:
  • cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*:
  • cpe:2.3:a:netapp:active_iq_unified_manager:-:*:*:*:*:vmware_vsphere:*:*:
  • cpe:2.3:h:netapp:aff_500f:-:*:*:*:*:*:*:*:
  • cpe:2.3:o:netapp:aff_500f_firmware:-:*:*:*:*:*:*:*:
  • cpe:2.3:h:netapp:aff_a250:-:*:*:*:*:*:*:*:
  • cpe:2.3:o:netapp:aff_a250_firmware:-:*:*:*:*:*:*:*:
  • cpe:2.3:a:netapp:clustered_data_ontap:-:*:*:*:*:*:*:*:
  • cpe:2.3:a:netapp:hci_management_node:-:*:*:*:*:*:*:*:
  • cpe:2.3:a:netapp:ontap_select_deploy_administration_utility:-:*:*:*:*:*:*:*:
  • cpe:2.3:a:netapp:solidfire:-:*:*:*:*:*:*:*:
  • cpe:2.3:a:openbsd:openssh:*:*:*:*:*:*:*:*:

Social Mentions

Source Title Posted (UTC)
Twitter Icon @CVEreport CVE-2021-41617 : sshd in OpenSSH 6.2 through 8.x before 8.8, when certain non-default configurations are used, allo… twitter.com/i/web/status/1… 2021-09-26 18:41:16
Twitter Icon @omokazuki SIOSセキュリティブログを更新しました。 OpenSSHの脆弱性情報(CVE-2021-41617)と、OpenSSH 8.8リリース #sios_tech #security #vulnerability #セキュリティ… twitter.com/i/web/status/1… 2021-09-26 19:44:37
Twitter Icon @0_exploit CVE-2021-41617 dlvr.it/S8Nxxf 2021-09-26 22:32:01
Twitter Icon @stuons OpenSSH 8.8 released September 26, 2021 OpenSSHの脆弱性情報(CVE-2021-41617)と、OpenSSH 8.8のリリース security.sios.com/vulnerability/… 2021-09-26 23:08:58
Twitter Icon @threatmeter CVE-2021-41617 sshd in OpenSSH 6.2 through 8.x before 8.8, when certain non-default configurations are used, allows… twitter.com/i/web/status/1… 2021-09-26 23:09:38
Twitter Icon @dondario CVE-2021-41617 sshd in OpenSSH 6.2 through 8.x before 8.8, when certain non-default configurations are used, allows… twitter.com/i/web/status/1… 2021-09-27 06:33:42
Twitter Icon @matsuu_zatsu OpenSSHの脆弱性情報(CVE-2021-41617)と、OpenSSH 8.8のリリース security.sios.com/vulnerability/… 2021-09-27 06:39:05
Twitter Icon @SecRiskRptSME RT: CVE-2021-41617 sshd in OpenSSH 6.2 through 8.x before 8.8, when certain non-default configurations are used, a… twitter.com/i/web/status/1… 2021-09-27 07:33:58
Twitter Icon @LinInfoSec Openssh - CVE-2021-41617: openwall.com/lists/oss-secu… 2021-09-27 08:05:17
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