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.
Advisories
Source ID Title
Debian DLA Debian DLA DLA-3206-1 heimdal security update
Debian DSA Debian DSA DSA-5287-1 heimdal security update
EUVD EUVD EUVD-2021-26963 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.
Ubuntu USN Ubuntu USN USN-5142-1 Samba vulnerabilities
Ubuntu USN Ubuntu USN USN-5174-1 Samba vulnerabilities
Ubuntu USN Ubuntu USN USN-5675-1 Heimdal vulnerabilities
Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

No history.

cve-icon MITRE

Status: PUBLISHED

Assigner: redhat

Published:

Updated: 2024-08-03T17:01:07.967Z

Reserved: 2021-07-30T00:00:00

Link: CVE-2021-3671

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2021-10-12T18:15:08.357

Modified: 2024-11-21T06:22:07.473

Link: CVE-2021-3671

cve-icon Redhat

Severity : Moderate

Publid Date: 2021-08-31T00:00:00Z

Links: CVE-2021-3671 - Bugzilla

cve-icon OpenCVE Enrichment

No data.