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.

Score

CVSS 3.1 6.5 Medium

Status

Modified - secalert@redhat.com

Published

2021-10-12

Last modified

2024-08-03

Weaknesses

CWE-476

Affected products

• Debian Linux (Debian)
• Management Services For Element Software (Netapp)
• Management Services For Netapp Hci (Netapp)
• Ontap Select Deploy Administration Utility (Netapp)
• Samba (Samba)

References

• https://bugzilla.redhat.com/show_bug.cgi?id=2013080%2C
• https://bugzilla.samba.org/show_bug.cgi?id=14770%2C
• https://github.com/heimdal/heimdal/commit/04171147948d0a3636bc6374181926f0fb2ec83a
• https://lists.debian.org/debian-lts-announce/2022/11/msg00034.html
• https://security.netapp.com/advisory/ntap-20221215-0002/
• https://security.netapp.com/advisory/ntap-20230216-0008/
• https://www.debian.org/security/2022/dsa-5287