Upstream information

CVE-2021-3671 at MITRE

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.

SUSE information

Overall state of this security issue: Resolved

This issue is currently rated as having moderate severity.

CVSS v2 Scores
  National Vulnerability Database
Base Score 4
Vector AV:N/AC:L/Au:S/C:N/I:N/A:P
Access Vector Network
Access Complexity Low
Authentication Single
Confidentiality Impact None
Integrity Impact None
Availability Impact Partial
CVSS v3 Scores
  National Vulnerability Database SUSE
Base Score 6.5 6.5
Vector CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack Vector Network Network
Attack Complexity Low Low
Privileges Required Low Low
User Interaction None None
Scope Unchanged Unchanged
Confidentiality Impact None None
Integrity Impact None None
Availability Impact High High
CVSSv3 Version 3.1 3.1
SUSE Bugzilla entries: 1191622 [RESOLVED / INVALID], 1205667 [RESOLVED / FIXED]

SUSE Security Advisories:

List of released packages

Product(s) Fixed package version(s) References
SUSE Package Hub 15 SP3
  • libasn1-8 >= 7.8.0-bp153.2.4.1
  • libgssapi3 >= 7.8.0-bp153.2.4.1
  • libhcrypto4 >= 7.8.0-bp153.2.4.1
  • libhdb9 >= 7.8.0-bp153.2.4.1
  • libheimbase1 >= 7.8.0-bp153.2.4.1
  • libheimdal-devel >= 7.8.0-bp153.2.4.1
  • libheimedit0 >= 7.8.0-bp153.2.4.1
  • libheimntlm0 >= 7.8.0-bp153.2.4.1
  • libhx509-5 >= 7.8.0-bp153.2.4.1
  • libkadm5clnt7 >= 7.8.0-bp153.2.4.1
  • libkadm5srv8 >= 7.8.0-bp153.2.4.1
  • libkafs0 >= 7.8.0-bp153.2.4.1
  • libkdc2 >= 7.8.0-bp153.2.4.1
  • libkrb5-26 >= 7.8.0-bp153.2.4.1
  • libotp0 >= 7.8.0-bp153.2.4.1
  • libroken18 >= 7.8.0-bp153.2.4.1
  • libsl0 >= 7.8.0-bp153.2.4.1
  • libwind0 >= 7.8.0-bp153.2.4.1
 Patchnames:
openSUSE-2023-20
SUSE Package Hub 15 SP4
  • libasn1-8 >= 7.8.0-bp154.2.4.1
  • libgssapi3 >= 7.8.0-bp154.2.4.1
  • libhcrypto4 >= 7.8.0-bp154.2.4.1
  • libhdb9 >= 7.8.0-bp154.2.4.1
  • libheimbase1 >= 7.8.0-bp154.2.4.1
  • libheimdal-devel >= 7.8.0-bp154.2.4.1
  • libheimedit0 >= 7.8.0-bp154.2.4.1
  • libheimntlm0 >= 7.8.0-bp154.2.4.1
  • libhx509-5 >= 7.8.0-bp154.2.4.1
  • libkadm5clnt7 >= 7.8.0-bp154.2.4.1
  • libkadm5srv8 >= 7.8.0-bp154.2.4.1
  • libkafs0 >= 7.8.0-bp154.2.4.1
  • libkdc2 >= 7.8.0-bp154.2.4.1
  • libkrb5-26 >= 7.8.0-bp154.2.4.1
  • libotp0 >= 7.8.0-bp154.2.4.1
  • libroken18 >= 7.8.0-bp154.2.4.1
  • libsl0 >= 7.8.0-bp154.2.4.1
  • libwind0 >= 7.8.0-bp154.2.4.1
 Patchnames:
openSUSE-2023-19
openSUSE Leap 15.3
  • libasn1-8 >= 7.8.0-bp153.2.4.1
  • libgssapi3 >= 7.8.0-bp153.2.4.1
  • libhcrypto4 >= 7.8.0-bp153.2.4.1
  • libhdb9 >= 7.8.0-bp153.2.4.1
  • libheimbase1 >= 7.8.0-bp153.2.4.1
  • libheimdal-devel >= 7.8.0-bp153.2.4.1
  • libheimedit0 >= 7.8.0-bp153.2.4.1
  • libheimntlm0 >= 7.8.0-bp153.2.4.1
  • libhx509-5 >= 7.8.0-bp153.2.4.1
  • libkadm5clnt7 >= 7.8.0-bp153.2.4.1
  • libkadm5srv8 >= 7.8.0-bp153.2.4.1
  • libkafs0 >= 7.8.0-bp153.2.4.1
  • libkdc2 >= 7.8.0-bp153.2.4.1
  • libkrb5-26 >= 7.8.0-bp153.2.4.1
  • libotp0 >= 7.8.0-bp153.2.4.1
  • libroken18 >= 7.8.0-bp153.2.4.1
  • libsl0 >= 7.8.0-bp153.2.4.1
  • libwind0 >= 7.8.0-bp153.2.4.1
 Patchnames:
openSUSE-2023-20
openSUSE Leap 15.4
  • libasn1-8 >= 7.8.0-bp154.2.4.1
  • libgssapi3 >= 7.8.0-bp154.2.4.1
  • libhcrypto4 >= 7.8.0-bp154.2.4.1
  • libhdb9 >= 7.8.0-bp154.2.4.1
  • libheimbase1 >= 7.8.0-bp154.2.4.1
  • libheimdal-devel >= 7.8.0-bp154.2.4.1
  • libheimedit0 >= 7.8.0-bp154.2.4.1
  • libheimntlm0 >= 7.8.0-bp154.2.4.1
  • libhx509-5 >= 7.8.0-bp154.2.4.1
  • libkadm5clnt7 >= 7.8.0-bp154.2.4.1
  • libkadm5srv8 >= 7.8.0-bp154.2.4.1
  • libkafs0 >= 7.8.0-bp154.2.4.1
  • libkdc2 >= 7.8.0-bp154.2.4.1
  • libkrb5-26 >= 7.8.0-bp154.2.4.1
  • libotp0 >= 7.8.0-bp154.2.4.1
  • libroken18 >= 7.8.0-bp154.2.4.1
  • libsl0 >= 7.8.0-bp154.2.4.1
  • libwind0 >= 7.8.0-bp154.2.4.1
 Patchnames:
openSUSE-2023-19
openSUSE Tumbleweed
  • libasn1-8 >= 7.8.0-1.1
  • libgssapi3 >= 7.8.0-1.1
  • libhcrypto4 >= 7.8.0-1.1
  • libhdb9 >= 7.8.0-1.1
  • libheimbase1 >= 7.8.0-1.1
  • libheimdal-devel >= 7.8.0-1.1
  • libheimedit0 >= 7.8.0-1.1
  • libheimntlm0 >= 7.8.0-1.1
  • libhx509-5 >= 7.8.0-1.1
  • libkadm5clnt7 >= 7.8.0-1.1
  • libkadm5srv8 >= 7.8.0-1.1
  • libkafs0 >= 7.8.0-1.1
  • libkdc2 >= 7.8.0-1.1
  • libkrb5-26 >= 7.8.0-1.1
  • libotp0 >= 7.8.0-1.1
  • libroken18 >= 7.8.0-1.1
  • libsl0 >= 7.8.0-1.1
  • libwind0 >= 7.8.0-1.1
 Patchnames:
openSUSE-Tumbleweed-2024-12580

Status of this issue by product and package

Please note that this evaluation state might be work in progress, incomplete or outdated. Also information for service packs in the LTSS phase is only included for issues meeting the LTSS criteria. If in doubt, feel free to contact us for clarification. The updates are grouped by state of their lifecycle. SUSE product lifecycles are documented on the lifecycle page.

Product(s) Source package State
Products under general support and receiving all security fixes.
SUSE Linux Enterprise High Availability Extension 12 SP5 samba Not affected
SUSE Linux Enterprise High Performance Computing 12 SP5 samba Not affected
SUSE Linux Enterprise Micro 5.2 samba Not affected
SUSE Linux Enterprise Server 12 SP5 samba Not affected
SUSE Linux Enterprise Server 12 SP5-LTSS samba Not affected
SUSE Linux Enterprise Server for SAP Applications 12 SP5 samba Not affected
SUSE Linux Enterprise Software Development Kit 12 SP5 samba Not affected
Products under Long Term Service Pack support and receiving important and critical security fixes.
SUSE Linux Enterprise High Availability Extension 15 SP2 samba Not affected
SUSE Linux Enterprise High Availability Extension 15 SP3 samba Not affected
SUSE Linux Enterprise High Performance Computing 15 SP2 samba Not affected
SUSE Linux Enterprise High Performance Computing 15 SP2-ESPOS samba Not affected
SUSE Linux Enterprise High Performance Computing 15 SP2-LTSS samba Not affected
SUSE Linux Enterprise High Performance Computing 15 SP3 samba Not affected
SUSE Linux Enterprise High Performance Computing 15 SP3-ESPOS samba Not affected
SUSE Linux Enterprise High Performance Computing 15 SP3-LTSS samba Not affected
SUSE Linux Enterprise Module for Basesystem 15 SP2 samba Not affected
SUSE Linux Enterprise Module for Basesystem 15 SP3 samba Not affected
SUSE Linux Enterprise Module for Python 2 15 SP2 samba Not affected
SUSE Linux Enterprise Module for Python 2 15 SP3 samba Not affected
SUSE Linux Enterprise Server 15 SP2 samba Not affected
SUSE Linux Enterprise Server 15 SP2-LTSS samba Not affected
SUSE Linux Enterprise Server 15 SP3 samba Not affected
SUSE Linux Enterprise Server 15 SP3-LTSS samba Not affected
SUSE Linux Enterprise Server 15-ESPOS samba Not affected
SUSE Linux Enterprise Server Business Critical Linux 15 SP1 samba Not affected
SUSE Linux Enterprise Server for SAP Applications 15 SP2 samba Not affected
SUSE Linux Enterprise Server for SAP Applications 15 SP3 samba Not affected
Products past their end of life and not receiving proactive updates anymore.
HPE Helion OpenStack 8 samba Not affected
SUSE CaaS Platform 4.0 samba Not affected
SUSE Enterprise Storage 5 samba Not affected
SUSE Enterprise Storage 6 samba Not affected
SUSE Enterprise Storage 7 samba Not affected
SUSE Enterprise Storage 7.1 samba Not affected
SUSE Linux Enterprise Desktop 11 SP2 samba Not affected
SUSE Linux Enterprise Desktop 11 SP3 samba Not affected
SUSE Linux Enterprise Desktop 11 SP4 samba Not affected
SUSE Linux Enterprise Desktop 12 SP1 samba Not affected
SUSE Linux Enterprise Desktop 12 SP2 samba Not affected
SUSE Linux Enterprise Desktop 12 SP3 samba Not affected
SUSE Linux Enterprise Desktop 12 SP4 samba Not affected
SUSE Linux Enterprise Desktop 15 samba Not affected
SUSE Linux Enterprise Desktop 15 SP1 samba Not affected
SUSE Linux Enterprise Desktop 15 SP2 samba Not affected
SUSE Linux Enterprise Desktop 15 SP3 samba Not affected
SUSE Linux Enterprise High Availability Extension 12 SP1 samba Not affected
SUSE Linux Enterprise High Availability Extension 12 SP2 samba Not affected
SUSE Linux Enterprise High Availability Extension 12 SP3 samba Not affected
SUSE Linux Enterprise High Availability Extension 12 SP4 samba Not affected
SUSE Linux Enterprise High Availability Extension 15 samba Not affected
SUSE Linux Enterprise High Availability Extension 15 SP1 samba Not affected
SUSE Linux Enterprise High Performance Computing 15 samba Not affected
SUSE Linux Enterprise High Performance Computing 15 SP1 samba Not affected
SUSE Linux Enterprise High Performance Computing 15 SP1-ESPOS samba Not affected
SUSE Linux Enterprise High Performance Computing 15 SP1-LTSS samba Not affected
SUSE Linux Enterprise High Performance Computing 15-ESPOS samba Not affected
SUSE Linux Enterprise High Performance Computing 15-LTSS samba Not affected
SUSE Linux Enterprise Module for Basesystem 15 samba Not affected
SUSE Linux Enterprise Module for Basesystem 15 SP1 samba Not affected
SUSE Linux Enterprise Module for Package Hub 15 samba Not affected
SUSE Linux Enterprise Module for Python 2 15 SP1 samba Not affected
SUSE Linux Enterprise Point of Sale 11 SP3 samba Not affected
SUSE Linux Enterprise Point of Sale 12 SP2-CLIENT samba Not affected
SUSE Linux Enterprise Point of Service 11 SP3 samba Not affected
SUSE Linux Enterprise Real Time 15 SP2 samba Not affected
SUSE Linux Enterprise Real Time 15 SP3 samba Not affected
SUSE Linux Enterprise Server 11 SP1-LTSS samba Not affected
SUSE Linux Enterprise Server 11 SP2 samba Not affected
SUSE Linux Enterprise Server 11 SP2-LTSS samba Not affected
SUSE Linux Enterprise Server 11 SP3 samba Not affected
SUSE Linux Enterprise Server 11 SP3-LTSS samba Not affected
SUSE Linux Enterprise Server 11 SP4 samba Not affected
SUSE Linux Enterprise Server 11 SP4 LTSS samba Not affected
SUSE Linux Enterprise Server 11 SP4-LTSS samba Not affected
SUSE Linux Enterprise Server 12 SP1 samba Not affected
SUSE Linux Enterprise Server 12 SP1-LTSS samba Not affected
SUSE Linux Enterprise Server 12 SP2 samba Not affected
SUSE Linux Enterprise Server 12 SP2-BCL samba Not affected
SUSE Linux Enterprise Server 12 SP2-ESPOS samba Not affected
SUSE Linux Enterprise Server 12 SP2-LTSS samba Not affected
SUSE Linux Enterprise Server 12 SP3 samba Not affected
SUSE Linux Enterprise Server 12 SP3-BCL samba Not affected
SUSE Linux Enterprise Server 12 SP3-ESPOS samba Not affected
SUSE Linux Enterprise Server 12 SP3-LTSS samba Not affected
SUSE Linux Enterprise Server 12 SP4 samba Not affected
SUSE Linux Enterprise Server 12 SP4-ESPOS samba Not affected
SUSE Linux Enterprise Server 12 SP4-LTSS samba Not affected
SUSE Linux Enterprise Server 15 samba Not affected
SUSE Linux Enterprise Server 15 SP1 samba Not affected
SUSE Linux Enterprise Server 15 SP1-BCL samba Not affected
SUSE Linux Enterprise Server 15 SP1-LTSS samba Not affected
SUSE Linux Enterprise Server 15 SP2-BCL samba Not affected
SUSE Linux Enterprise Server 15 SP3-BCL samba Not affected
SUSE Linux Enterprise Server 15-LTSS samba Not affected
SUSE Linux Enterprise Server for Raspberry Pi 12 SP2 samba Not affected
SUSE Linux Enterprise Server for SAP Applications 11 SP3 samba Not affected
SUSE Linux Enterprise Server for SAP Applications 11 SP4 samba Not affected
SUSE Linux Enterprise Server for SAP Applications 12 SP1 samba Not affected
SUSE Linux Enterprise Server for SAP Applications 12 SP2 samba Not affected
SUSE Linux Enterprise Server for SAP Applications 12 SP3 samba Not affected
SUSE Linux Enterprise Server for SAP Applications 12 SP4 samba Not affected
SUSE Linux Enterprise Server for SAP Applications 15 samba Not affected
SUSE Linux Enterprise Server for SAP Applications 15 SP1 samba Not affected
SUSE Linux Enterprise Software Development Kit 11 SP3 samba Not affected
SUSE Linux Enterprise Software Development Kit 11 SP4 samba Not affected
SUSE Linux Enterprise Software Development Kit 12 SP1 samba Not affected
SUSE Linux Enterprise Software Development Kit 12 SP2 samba Not affected
SUSE Linux Enterprise Software Development Kit 12 SP3 samba Not affected
SUSE Linux Enterprise Software Development Kit 12 SP4 samba Not affected
SUSE Manager Proxy 4.0 samba Not affected
SUSE Manager Proxy 4.1 samba Not affected
SUSE Manager Proxy 4.2 samba Not affected
SUSE Manager Retail Branch Server 4.0 samba Not affected
SUSE Manager Retail Branch Server 4.1 samba Not affected
SUSE Manager Retail Branch Server 4.2 samba Not affected
SUSE Manager Server 4.0 samba Not affected
SUSE Manager Server 4.1 samba Not affected
SUSE Manager Server 4.2 samba Not affected
SUSE OpenStack Cloud 7 samba Not affected
SUSE OpenStack Cloud 8 samba Not affected
SUSE OpenStack Cloud 9 samba Not affected
SUSE OpenStack Cloud Crowbar 8 samba Not affected
SUSE OpenStack Cloud Crowbar 9 samba Not affected
SUSE Package Hub 15 SP3 libheimdal Released
SUSE Package Hub 15 SP4 libheimdal Released
openSUSE Leap 15.3 samba Not affected
openSUSE Leap 15.4 samba Not affected
openSUSE Leap Micro 5.2 samba Not affected
Products at an unknown state of their lifecycle.
SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security samba Not affected

SUSE Timeline for this CVE

CVE page created: Tue Oct 12 08:00:31 2021
CVE page last modified: Tue Oct 8 18:30:01 2024