CVE-2021-3671

medium

Description

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.

References

https://www.debian.org/security/2022/dsa-5287

https://security.netapp.com/advisory/ntap-20230216-0008/

https://security.netapp.com/advisory/ntap-20221215-0002/

https://lists.debian.org/debian-lts-announce/2022/11/msg00034.html

https://github.com/heimdal/heimdal/commit/04171147948d0a3636bc6374181926f0fb2ec83a

https://bugzilla.samba.org/show_bug.cgi?id=14770%2C

https://bugzilla.redhat.com/show_bug.cgi?id=2013080%2C

Details

Source: Mitre, NVD

Published: 2021-10-12

Updated: 2023-11-07

Risk Information

CVSS v2

Base Score: 4

Vector: CVSS2#AV:N/AC:L/Au:S/C:N/I:N/A:P

Severity: Medium

CVSS v3

Base Score: 6.5

Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H