Upstream information

CVE-2021-23017 at MITRE

Description

A security issue in nginx resolver was identified, which might allow an attacker who is able to forge UDP packets from the DNS server to cause 1-byte memory overwrite, resulting in worker process crash or potential other impact.

SUSE information

Overall state of this security issue: Resolved

This issue is currently rated as having important severity.

CVSS v2 Scores
  National Vulnerability Database
Base Score 6.8
Vector AV:N/AC:M/Au:N/C:P/I:P/A:P
Access Vector Network
Access Complexity Medium
Authentication None
Confidentiality Impact Partial
Integrity Impact Partial
Availability Impact Partial
CVSS v3 Scores
  National Vulnerability Database SUSE
Base Score 7.7 8.1
Vector CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:L CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector Network Network
Attack Complexity High High
Privileges Required None None
User Interaction None None
Scope Unchanged Unchanged
Confidentiality Impact High High
Integrity Impact High High
Availability Impact Low High
CVSSv3 Version 3.1 3.1
SUSE Bugzilla entry: 1186126 [RESOLVED / FIXED]

SUSE Security Advisories:

List of released packages

Product(s) Fixed package version(s) References
Container suse/rmt-nginx:1.19-3.1
  • nginx >= 1.19.8-3.3.1
SUSE CaaS Platform 4.0
  • nginx >= 1.16.1-6.13.1
  • nginx-source >= 1.16.1-6.13.1
 Patchnames:
SUSE-SUSE-CAASP-4.0-2021-1839
SUSE Enterprise Storage 6
  • nginx >= 1.16.1-6.13.1
  • nginx-source >= 1.16.1-6.13.1
 Patchnames:
SUSE-Storage-6-2021-1839
SUSE Enterprise Storage 7.1
SUSE Linux Enterprise High Performance Computing 15 SP3
SUSE Linux Enterprise Module for Server Applications 15 SP3
SUSE Linux Enterprise Server 15 SP3
SUSE Linux Enterprise Server for SAP Applications 15 SP3
SUSE Manager Proxy 4.2
SUSE Manager Retail Branch Server 4.2
SUSE Manager Server 4.2
  • nginx >= 1.19.8-3.3.1
  • nginx-source >= 1.19.8-3.3.1
 Patchnames:
SUSE-SLE-Module-Server-Applications-15-SP3-2021-1815
SUSE Enterprise Storage 7
SUSE Linux Enterprise High Performance Computing 15 SP2
SUSE Linux Enterprise Module for Server Applications 15 SP2
SUSE Linux Enterprise Server 15 SP2
SUSE Linux Enterprise Server for SAP Applications 15 SP2
SUSE Manager Proxy 4.1
SUSE Manager Retail Branch Server 4.1
SUSE Manager Server 4.1
  • nginx >= 1.16.1-3.3.1
  • nginx-source >= 1.16.1-3.3.1
 Patchnames:
SUSE-SLE-Module-Server-Applications-15-SP2-2021-1814
SUSE Liberty Linux 8
  • nginx >= 1.20.1-1.module+el8.5.0+13723+ab304644
  • nginx-all-modules >= 1.20.1-1.module+el8.5.0+13723+ab304644
  • nginx-filesystem >= 1.20.1-1.module+el8.5.0+13723+ab304644
  • nginx-mod-http-image-filter >= 1.20.1-1.module+el8.5.0+13723+ab304644
  • nginx-mod-http-perl >= 1.20.1-1.module+el8.5.0+13723+ab304644
  • nginx-mod-http-xslt-filter >= 1.20.1-1.module+el8.5.0+13723+ab304644
  • nginx-mod-mail >= 1.20.1-1.module+el8.5.0+13723+ab304644
  • nginx-mod-stream >= 1.20.1-1.module+el8.5.0+13723+ab304644
 Patchnames:
RHSA-2021:2259
RHSA-2021:2290
RHSA-2022:0323
SUSE Linux Enterprise High Performance Computing 15 SP1-ESPOS
  • nginx >= 1.16.1-6.13.1
  • nginx-source >= 1.16.1-6.13.1
 Patchnames:
SUSE-SLE-Product-HPC-15-SP1-ESPOS-2021-1839
SUSE Linux Enterprise High Performance Computing 15 SP1-LTSS
  • nginx >= 1.16.1-6.13.1
  • nginx-source >= 1.16.1-6.13.1
 Patchnames:
SUSE-SLE-Product-HPC-15-SP1-LTSS-2021-1839
SUSE Linux Enterprise High Performance Computing 15 SP4
SUSE Linux Enterprise Module for Server Applications 15 SP4
SUSE Linux Enterprise Server 15 SP4
SUSE Linux Enterprise Server for SAP Applications 15 SP4
SUSE Manager Proxy 4.3
SUSE Manager Retail Branch Server 4.3
SUSE Manager Server 4.3
  • nginx >= 1.21.5-150400.1.8
  • nginx-source >= 1.21.5-150400.1.8
 Patchnames:
SUSE Linux Enterprise Module for Server Applications 15 SP4 GA nginx-1.21.5-150400.1.8
SUSE Linux Enterprise High Performance Computing 15-ESPOS
SUSE Linux Enterprise High Performance Computing 15-LTSS
  • nginx >= 1.16.1-3.15.1
 Patchnames:
SUSE-SLE-Product-HPC-15-2021-1792
SUSE Linux Enterprise Server 15 SP1-BCL
  • nginx >= 1.16.1-6.13.1
  • nginx-source >= 1.16.1-6.13.1
 Patchnames:
SUSE-SLE-Product-SLES-15-SP1-BCL-2021-1839
SUSE Linux Enterprise Server 15 SP1-LTSS
  • nginx >= 1.16.1-6.13.1
  • nginx-source >= 1.16.1-6.13.1
 Patchnames:
SUSE-SLE-Product-SLES-15-SP1-LTSS-2021-1839
SUSE Linux Enterprise Server 15-LTSS
  • nginx >= 1.16.1-3.15.1
 Patchnames:
SUSE-SLE-Product-SLES-15-2021-1792
SUSE Linux Enterprise Server for SAP Applications 15 SP1
  • nginx >= 1.16.1-6.13.1
  • nginx-source >= 1.16.1-6.13.1
 Patchnames:
SUSE-SLE-Product-SLES_SAP-15-SP1-2021-1839
SUSE Linux Enterprise Server for SAP Applications 15
  • nginx >= 1.16.1-3.15.1
 Patchnames:
SUSE-SLE-Product-SLES_SAP-15-2021-1792
SUSE Manager Proxy 4.0
  • nginx >= 1.16.1-6.13.1
  • nginx-source >= 1.16.1-6.13.1
 Patchnames:
SUSE-SLE-Product-SUSE-Manager-Proxy-4.0-2021-1839
SUSE Manager Retail Branch Server 4.0
  • nginx >= 1.16.1-6.13.1
  • nginx-source >= 1.16.1-6.13.1
 Patchnames:
SUSE-SLE-Product-SUSE-Manager-Retail-Branch-Server-4.0-2021-1839
SUSE Manager Server 4.0
  • nginx >= 1.16.1-6.13.1
  • nginx-source >= 1.16.1-6.13.1
 Patchnames:
SUSE-SLE-Product-SUSE-Manager-Server-4.0-2021-1839
openSUSE Leap 15.2
  • nginx >= 1.16.1-lp152.2.3.1
  • nginx-source >= 1.16.1-lp152.2.3.1
  • vim-plugin-nginx >= 1.16.1-lp152.2.3.1
 Patchnames:
openSUSE-2021-835
openSUSE Leap 15.3
  • nginx >= 1.19.8-3.3.1
  • nginx-source >= 1.19.8-3.3.1
  • vim-plugin-nginx >= 1.19.8-3.3.1
 Patchnames:
openSUSE-SLE-15.3-2021-1815
openSUSE Tumbleweed
  • nginx >= 1.21.3-1.4
  • nginx-source >= 1.21.3-1.4
  • vim-plugin-nginx >= 1.21.3-1.4
 Patchnames:
openSUSE Tumbleweed GA nginx-1.21.3-1.4

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 Enterprise Storage 7.1 nginx Released
SUSE Linux Enterprise High Performance Computing 15 SP5 nginx Already fixed
SUSE Linux Enterprise Module for Server Applications 15 SP5 nginx Already fixed
SUSE Linux Enterprise Real Time 15 SP3 nginx Affected
SUSE Linux Enterprise Server 15 SP5 nginx Already fixed
SUSE Linux Enterprise Server for SAP Applications 15 SP4 nginx Already fixed
SUSE Linux Enterprise Server for SAP Applications 15 SP5 nginx Already fixed
SUSE Manager Proxy 4.3 nginx Already fixed
SUSE Manager Retail Branch Server 4.3 nginx Already fixed
SUSE Manager Server 4.3 nginx Already fixed
Products under Long Term Service Pack support and receiving important and critical security fixes.
SUSE Linux Enterprise High Performance Computing 15 nginx Affected
SUSE Linux Enterprise High Performance Computing 15 SP1 nginx Affected
SUSE Linux Enterprise High Performance Computing 15 SP1-ESPOS nginx Released
SUSE Linux Enterprise High Performance Computing 15 SP1-LTSS nginx Released
SUSE Linux Enterprise High Performance Computing 15 SP2 nginx Released
SUSE Linux Enterprise High Performance Computing 15 SP2-ESPOS nginx Affected
SUSE Linux Enterprise High Performance Computing 15 SP2-LTSS nginx Affected
SUSE Linux Enterprise High Performance Computing 15 SP3 nginx Released
SUSE Linux Enterprise High Performance Computing 15 SP3-ESPOS nginx Affected
SUSE Linux Enterprise High Performance Computing 15 SP3-LTSS nginx Affected
SUSE Linux Enterprise High Performance Computing 15 SP4 nginx Already fixed
SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOS nginx Already fixed
SUSE Linux Enterprise High Performance Computing 15 SP4-LTSS nginx Already fixed
SUSE Linux Enterprise High Performance Computing 15-ESPOS nginx Released
SUSE Linux Enterprise High Performance Computing 15-LTSS nginx Released
SUSE Linux Enterprise Module for Server Applications 15 SP2 nginx Released
SUSE Linux Enterprise Module for Server Applications 15 SP3 nginx Released
SUSE Linux Enterprise Module for Server Applications 15 SP4 nginx Already fixed
SUSE Linux Enterprise Server 15 SP2 nginx Released
SUSE Linux Enterprise Server 15 SP2-LTSS nginx Affected
SUSE Linux Enterprise Server 15 SP3 nginx Released
SUSE Linux Enterprise Server 15 SP3-LTSS nginx Affected
SUSE Linux Enterprise Server 15 SP4 nginx Already fixed
SUSE Linux Enterprise Server 15 SP4-LTSS nginx Already fixed
SUSE Linux Enterprise Server 15-ESPOS nginx Released
SUSE Linux Enterprise Server Business Critical Linux 15 SP1 nginx Released
SUSE Linux Enterprise Server for SAP Applications 15 nginx Released
SUSE Linux Enterprise Server for SAP Applications 15 SP1 nginx Released
SUSE Linux Enterprise Server for SAP Applications 15 SP2 nginx Released
SUSE Linux Enterprise Server for SAP Applications 15 SP3 nginx Released
Products past their end of life and not receiving proactive updates anymore.
SUSE CaaS Platform 4.0 nginx Released
SUSE Enterprise Storage 6 nginx Released
SUSE Enterprise Storage 7 nginx Released
SUSE Linux Enterprise Module for Server Applications 15 nginx Affected
SUSE Linux Enterprise Module for Server Applications 15 SP1 nginx Affected
SUSE Linux Enterprise Real Time 15 SP2 nginx Affected
SUSE Linux Enterprise Real Time 15 SP4 nginx Already fixed
SUSE Linux Enterprise Server 15 nginx Affected
SUSE Linux Enterprise Server 15 SP1 nginx Affected
SUSE Linux Enterprise Server 15 SP1-BCL nginx Released
SUSE Linux Enterprise Server 15 SP1-LTSS nginx Released
SUSE Linux Enterprise Server 15 SP2-BCL nginx Affected
SUSE Linux Enterprise Server 15 SP3-BCL nginx Affected
SUSE Linux Enterprise Server 15-LTSS nginx Released
SUSE Manager Proxy 4.0 nginx Released
SUSE Manager Proxy 4.1 nginx Released
SUSE Manager Proxy 4.2 nginx Released
SUSE Manager Retail Branch Server 4.0 nginx Released
SUSE Manager Retail Branch Server 4.1 nginx Released
SUSE Manager Retail Branch Server 4.2 nginx Released
SUSE Manager Server 4.0 nginx Released
SUSE Manager Server 4.1 nginx Released
SUSE Manager Server 4.2 nginx Released
Container Status
suse/nginx
suse/rmt-nginx		 nginxAlready fixed

SUSE Timeline for this CVE

CVE page created: Mon May 17 14:25:01 2021
CVE page last modified: Thu Feb 1 01:39:49 2024