CVEvulnerability
CVE-2021-3671
6.5 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2021-10-12
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 6.5 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- CVSS 2.0 ([email protected])
- 4.0 MEDIUM — AV:N/AC:L/Au:S/C:N/I:N/A:P
- Weaknesses
- CWE-476
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.
Affected configurations
• samba samba (< 4.13.12)
• samba samba (>= 4.14.0 < 4.14.8)
• debian debian linux 10.0
• debian debian linux 11.0
• netapp management services for element software
• netapp management services for netapp hci
• netapp ontap select deploy administration utility
Related
Weakness · CWE (1)
- CWE-476 NULL Pointer Dereference weakness
References
- https://bugzilla.redhat.com/show_bug.cgi?id=2013080%2C bugzilla.redhat.com
- https://bugzilla.samba.org/show_bug.cgi?id=14770%2C bugzilla.samba.org
- https://github.com/heimdal/heimdal/commit/04171147948d0a3636bc6374181926f0fb2ec83a Patch, 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
- https://www.debian.org/security/2022/dsa-5287 Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2013080%2C bugzilla.redhat.com
- https://bugzilla.samba.org/show_bug.cgi?id=14770%2C bugzilla.samba.org
- https://github.com/heimdal/heimdal/commit/04171147948d0a3636bc6374181926f0fb2ec83a Patch, 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
- https://www.debian.org/security/2022/dsa-5287 Third Party Advisory