CVE Vulnerability

CVE-2021-3671

A null pointer de-reference was found in the way samba kerberos server handled missing sname in TGS-REQ (Ticket Granting Server - Request). An authenticated user could use this flaw to crash the samba server.

4 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 8 / Impact : 2.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

Scope

6.5 /10

CVSS v3.0 : MEDIUM

V3 Legend

Vector :

Exploitability : 2.8 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://bugzilla.samba.org/show_bug.cgi?id=14770, Broken Link Issue Tracking
https://bugzilla.redhat.com/show_bug.cgi?id=2013080, Broken Link Issue Tracking
https://github.com/heimdal/heimdal/commit/04171147948d0a3636bc6374181926f0fb2ec83a Patch Third Party Advisory
https://www.debian.org/security/2022/dsa-5287 Third Party Advisory
https://lists.debian.org/debian-lts-announce/2022/11/msg00034.html Mailing List Third Party Advisory
https://security.netapp.com/advisory/ntap-20221215-0002/ Third Party Advisory
https://security.netapp.com/advisory/ntap-20230216-0008/ Third Party Advisory
Configurations

Configuration 1

cpe:2.3:a:samba:samba:*:*:*:*:*:*:*:*
cpe:2.3:a:samba:samba:*:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*
cpe:2.3:a:netapp:ontap_select_deploy_administration_utility:-:*:*:*:*:*:*:*
cpe:2.3:a:netapp:management_services_for_element_software:-:*:*:*:*:*:*:*
cpe:2.3:a:netapp:management_services_for_netapp_hci:-:*:*:*:*:*:*:*
Information

Published : 2021-10-12 06:15

Updated : 2023-02-24 05:39

NVD link : CVE-2021-3671

Mitre link : CVE-2021-3671

Products Affected
No products.
CWE
CWE-476