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 7.5
Vector AV:N/AC:L/Au:N/C:P/I:P/A:P
Access Vector Network
Access Complexity Low
Authentication None
Confidentiality Impact Partial
Integrity Impact Partial
Availability Impact Partial
CVSS v3 Scores
  National Vulnerability Database SUSE
Base Score 9.8 8.1
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Access Vector Network Network
Access Complexity Low High
Privileges Required None None
User Interaction None None
Scope Unchanged Unchanged
Confidentiality Impact High High
Integrity Impact High High
Availability Impact High High
CVSSv3 Version 3.1 3.1
SUSE Bugzilla entry: 1186126 [REOPENED]

SUSE Security Advisories:

List of released packages

Product(s) Fixed package version(s) References
Image caasp45/caasp-ingress-nginx-controller-image
  • nginx >= 1.16.1-3.3.1
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 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-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 Module for Open Buildservice Development Tools 15 SP2
  • vim-plugin-nginx >= 1.16.1-3.3.1
Patchnames:
SUSE-SLE-Module-Development-Tools-OBS-15-SP2-2021-1814
SUSE Linux Enterprise Module for Open Buildservice Development Tools 15 SP3
  • vim-plugin-nginx >= 1.19.8-3.3.1
Patchnames:
SUSE-SLE-Module-Development-Tools-OBS-15-SP3-2021-1815
SUSE Linux Enterprise Module for Server Applications 15 SP2
  • 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 Linux Enterprise Module for Server Applications 15 SP3
  • 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 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-debuginfo >= 1.16.1-lp152.2.3.1
  • nginx-debugsource >= 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


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.

Product(s) Source package State
SUSE CaaS Platform 4.0 nginx Released
SUSE Enterprise Storage 6 nginx Released
SUSE Linux Enterprise High Performance Computing 15 LTSS nginx Released
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 Module for Server Applications 15 SP2 nginx Released
SUSE Linux Enterprise Module for Server Applications 15 SP3 nginx Released
SUSE Linux Enterprise Server 15 LTSS nginx Released
SUSE Linux Enterprise Server 15 SP1 Business Critical Linux nginx Released
SUSE Linux Enterprise Server 15 SP1 LTSS nginx Released
SUSE Linux Enterprise Server ESPOS 15 nginx Released
SUSE Linux Enterprise Server for SAP Applications 15 nginx Released
SUSE Linux Enterprise Server for SAP Applications 15 SP1 nginx Released
SUSE Manager Proxy 4.0 nginx Released
SUSE Manager Retail Branch Server 4.0 nginx Released
SUSE Manager Server 4.0 nginx Released