CVE-2021-3671
- Source
- https://cve.org/CVERecord?id=CVE-2021-3671
- Import Source
- https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2021-3671.json
- JSON Data
- https://api.test.osv.dev/v1/vulns/CVE-2021-3671
- Downstream
- Related
- Published
- 2021-10-12T18:15:08.357Z
- Modified
- 2026-02-24T11:39:42.604822Z
- Severity
-
- 6.5 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
- Summary
- [none]
- Details
-
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://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
- 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
Affected packages
Git / github.com/samba-team/samba
Affected ranges
- Type
- GIT
- Repo
- https://github.com/samba-team/samba
- Events
-
Introduced0 Unknown introduced commit / All previous commits are affectedFixedIntroducedFixed