Upstream information

CVE-2020-12662 at MITRE

Description

Unbound before 1.10.1 has Insufficient Control of Network Message Volume, aka an "NXNSAttack" issue. This is triggered by random subdomains in the NSDNAME in NS records.

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 5
Vector AV:N/AC:L/Au:N/C:N/I:N/A:P
Access Vector Network
Access Complexity Low
Authentication None
Confidentiality Impact None
Integrity Impact None
Availability Impact Partial
CVSS v3 Scores
  National Vulnerability Database SUSE
Base Score 7.5 8.6
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
Attack Vector Network Network
Attack Complexity Low Low
Privileges Required None None
User Interaction None None
Scope Unchanged Changed
Confidentiality Impact None None
Integrity Impact None None
Availability Impact High High
CVSSv3 Version 3.1 3.1
SUSE Bugzilla entry: 1171889 [RESOLVED / FIXED]

SUSE Security Advisories:

List of released packages

Product(s) Fixed package version(s) References
SUSE Enterprise Storage 6
SUSE Linux Enterprise Desktop 15 SP1
SUSE Linux Enterprise High Performance Computing 15 SP1
SUSE Linux Enterprise Module for Basesystem 15 SP1
SUSE Linux Enterprise Server 15 SP1
SUSE Linux Enterprise Server for SAP Applications 15 SP1
SUSE Manager Proxy 4.0
SUSE Manager Retail Branch Server 4.0
SUSE Manager Server 4.0
  • libunbound2 >= 1.6.8-10.3.1
  • unbound-anchor >= 1.6.8-10.3.1
  • unbound-devel >= 1.6.8-10.3.1
Patchnames:
SUSE-SLE-Module-Basesystem-15-SP1-2020-1772
SUSE Enterprise Storage 7.1
SUSE Linux Enterprise Desktop 15 SP3
SUSE Linux Enterprise High Performance Computing 15 SP3
SUSE Linux Enterprise Module for Basesystem 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
  • libunbound2 >= 1.6.8-10.3.1
  • unbound-anchor >= 1.6.8-10.3.1
  • unbound-devel >= 1.6.8-10.3.1
Patchnames:
SUSE Linux Enterprise Module for Basesystem 15 SP3 GA libunbound2-1.6.8-10.3.1
SUSE Enterprise Storage 7
SUSE Linux Enterprise Desktop 15 SP2
SUSE Linux Enterprise High Performance Computing 15 SP2
SUSE Linux Enterprise Module for Basesystem 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
  • libunbound2 >= 1.6.8-10.3.1
  • unbound-anchor >= 1.6.8-10.3.1
  • unbound-devel >= 1.6.8-10.3.1
Patchnames:
SUSE-SLE-Module-Basesystem-15-SP2-2020-1772
SUSE Linux Enterprise Desktop 15 SP4
SUSE Linux Enterprise High Performance Computing 15 SP4
SUSE Linux Enterprise Module for Basesystem 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
  • libunbound2 >= 1.6.8-10.6.1
  • unbound-anchor >= 1.6.8-10.6.1
  • unbound-devel >= 1.6.8-10.6.1
Patchnames:
SUSE Linux Enterprise Module for Basesystem 15 SP4 GA libunbound2-1.6.8-10.6.1
SUSE Linux Enterprise High Performance Computing 15-ESPOS
SUSE Linux Enterprise High Performance Computing 15-LTSS
  • libunbound2 >= 1.6.8-3.6.1
  • unbound-anchor >= 1.6.8-3.6.1
  • unbound-devel >= 1.6.8-3.6.1
Patchnames:
SUSE-SLE-Product-HPC-15-2020-1819
SUSE Linux Enterprise Server 15-LTSS
  • libunbound2 >= 1.6.8-3.6.1
  • unbound-anchor >= 1.6.8-3.6.1
  • unbound-devel >= 1.6.8-3.6.1
Patchnames:
SUSE-SLE-Product-SLES-15-2020-1819
SUSE Linux Enterprise Server for SAP Applications 15
  • libunbound2 >= 1.6.8-3.6.1
  • unbound-anchor >= 1.6.8-3.6.1
  • unbound-devel >= 1.6.8-3.6.1
Patchnames:
SUSE-SLE-Product-SLES_SAP-15-2020-1819
openSUSE Leap 15.1
  • libunbound-devel-mini >= 1.6.8-lp151.8.3.1
  • libunbound2 >= 1.6.8-lp151.8.3.1
  • unbound >= 1.6.8-lp151.8.3.1
  • unbound-anchor >= 1.6.8-lp151.8.3.1
  • unbound-devel >= 1.6.8-lp151.8.3.1
  • unbound-munin >= 1.6.8-lp151.8.3.1
  • unbound-python >= 1.6.8-lp151.8.3.1
Patchnames:
openSUSE-2020-912
openSUSE Leap 15.2
  • libunbound-devel-mini >= 1.6.8-lp152.9.3.1
  • libunbound2 >= 1.6.8-lp152.9.3.1
  • unbound >= 1.6.8-lp152.9.3.1
  • unbound-anchor >= 1.6.8-lp152.9.3.1
  • unbound-devel >= 1.6.8-lp152.9.3.1
  • unbound-munin >= 1.6.8-lp152.9.3.1
  • unbound-python >= 1.6.8-lp152.9.3.1
Patchnames:
openSUSE-2020-913
openSUSE Tumbleweed
  • libunbound8 >= 1.13.2-1.2
  • python3-unbound >= 1.13.2-1.2
  • unbound >= 1.13.2-1.2
  • unbound-anchor >= 1.13.2-1.2
  • unbound-devel >= 1.13.2-1.2
  • unbound-munin >= 1.13.2-1.2
Patchnames:
openSUSE Tumbleweed GA libunbound8-1.13.2-1.2


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 unbound Affected
SUSE Enterprise Storage 6 unbound Released
SUSE Enterprise Storage 7 unbound Released
SUSE Enterprise Storage 7.1 unbound Affected
SUSE Linux Enterprise Desktop 15 unbound Affected
SUSE Linux Enterprise Desktop 15 SP1 unbound Released
SUSE Linux Enterprise Desktop 15 SP2 unbound Released
SUSE Linux Enterprise Desktop 15 SP3 unbound Affected
SUSE Linux Enterprise Desktop 15 SP4 unbound Affected
SUSE Linux Enterprise High Performance Computing 15 unbound Affected
SUSE Linux Enterprise High Performance Computing 15 SP1 unbound Released
SUSE Linux Enterprise High Performance Computing 15 SP1-ESPOS unbound Affected
SUSE Linux Enterprise High Performance Computing 15 SP1-LTSS unbound Affected
SUSE Linux Enterprise High Performance Computing 15 SP2 unbound Released
SUSE Linux Enterprise High Performance Computing 15 SP2-ESPOS unbound Affected
SUSE Linux Enterprise High Performance Computing 15 SP2-LTSS unbound Affected
SUSE Linux Enterprise High Performance Computing 15 SP3 unbound Affected
SUSE Linux Enterprise High Performance Computing 15 SP4 unbound Affected
SUSE Linux Enterprise High Performance Computing 15-ESPOS unbound Released
SUSE Linux Enterprise High Performance Computing 15-LTSS unbound Released
SUSE Linux Enterprise Module for Basesystem 15 unbound Affected
SUSE Linux Enterprise Module for Basesystem 15 SP1 unbound Released
SUSE Linux Enterprise Module for Basesystem 15 SP2 unbound Released
SUSE Linux Enterprise Module for Basesystem 15 SP3 unbound Affected
SUSE Linux Enterprise Module for Basesystem 15 SP4 unbound Affected
SUSE Linux Enterprise Module for Package Hub 15 SP3 unbound Affected
SUSE Linux Enterprise Module for Package Hub 15 SP4 unbound Affected
SUSE Linux Enterprise Real Time 15 SP2 unbound Affected
SUSE Linux Enterprise Real Time 15 SP3 unbound Affected
SUSE Linux Enterprise Server 15 unbound Affected
SUSE Linux Enterprise Server 15 SP1 unbound Released
SUSE Linux Enterprise Server 15 SP1-BCL unbound Affected
SUSE Linux Enterprise Server 15 SP1-LTSS unbound Affected
SUSE Linux Enterprise Server 15 SP2 unbound Released
SUSE Linux Enterprise Server 15 SP2-BCL unbound Affected
SUSE Linux Enterprise Server 15 SP2-LTSS unbound Affected
SUSE Linux Enterprise Server 15 SP3 unbound Affected
SUSE Linux Enterprise Server 15 SP4 unbound Affected
SUSE Linux Enterprise Server 15-ESPOS unbound Released
SUSE Linux Enterprise Server 15-LTSS unbound Released
SUSE Linux Enterprise Server Business Critical Linux 15 SP1 unbound Affected
SUSE Linux Enterprise Server for SAP Applications 15 unbound Released
SUSE Linux Enterprise Server for SAP Applications 15 SP1 unbound Released
SUSE Linux Enterprise Server for SAP Applications 15 SP2 unbound Released
SUSE Linux Enterprise Server for SAP Applications 15 SP3 unbound Affected
SUSE Linux Enterprise Server for SAP Applications 15 SP4 unbound Affected
SUSE Manager Proxy 4.0 unbound Released
SUSE Manager Proxy 4.1 unbound Released
SUSE Manager Proxy 4.2 unbound Affected
SUSE Manager Proxy 4.3 unbound Affected
SUSE Manager Retail Branch Server 4.0 unbound Released
SUSE Manager Retail Branch Server 4.1 unbound Released
SUSE Manager Retail Branch Server 4.2 unbound Affected
SUSE Manager Retail Branch Server 4.3 unbound Affected
SUSE Manager Server 4.0 unbound Released
SUSE Manager Server 4.1 unbound Released
SUSE Manager Server 4.2 unbound Affected
SUSE Manager Server 4.3 unbound Affected


SUSE Timeline for this CVE

CVE page created: Tue May 19 21:01:13 2020
CVE page last modified: Wed Nov 30 23:37:07 2022