A null pointer de-reference was found in the way samba... · CVE-2021-3671 · GitHub Advisory Database · GitHub

A null pointer de-reference was found in the way samba...

Moderate severity Unreviewed Published May 24, 2022 to the GitHub Advisory Database • Updated Feb 24, 2023

Package

No package listed— Suggest a package

Affected versions

Unknown

Patched versions

Unknown

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

Published by the National Vulnerability Database

Oct 12, 2021

Published to the GitHub Advisory Database May 24, 2022

Last updated Feb 24, 2023

Severity

Moderate

6.5

/ 10

CVSS base metrics

Attack vector

Network

Attack complexity

Low

Privileges required

Low

User interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H