Upstream information

CVE-2021-20237 at MITRE

Description

An uncontrolled resource consumption (memory leak) flaw was found in ZeroMQ's src/xpub.cpp in versions before 4.3.3. This flaw allows a remote unauthenticated attacker to send crafted PUB messages that consume excessive memory if the CURVE/ZAP authentication is disabled on the server, causing a denial of service. The highest threat from this vulnerability is to system availability.

SUSE information

Overall state of this security issue: Pending

This issue is currently rated as having moderate severity.

CVSS v2 Scores
  National Vulnerability Database
Base Score 4.3
Vector AV:N/AC:M/Au:N/C:N/I:N/A:P
Access Vector Network
Access Complexity Medium
Authentication None
Confidentiality Impact None
Integrity Impact None
Availability Impact Partial
CVSS v3 Scores
  National Vulnerability Database SUSE
Base Score 7.5 5.9
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:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector Network Network
Attack Complexity Low High
Privileges Required None None
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 entry: 1189510 [RESOLVED / DUPLICATE]

No SUSE Security Announcements cross referenced.


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Please note that this evaluation state might be work in progress, incomplete or outdated.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 zeromq Released
SUSE Enterprise Storage 7.1 zeromq Released
SUSE Linux Enterprise Desktop 15 SP4 zeromq Released
SUSE Linux Enterprise High Performance Computing 12 zeromq Not affected
SUSE Linux Enterprise High Performance Computing 15 SP4 zeromq Released
SUSE Linux Enterprise Micro 5.1 zeromq Released
SUSE Linux Enterprise Micro 5.2 zeromq Released
SUSE Linux Enterprise Micro 5.3 zeromq Affected
SUSE Linux Enterprise Module for Advanced Systems Management 12 zeromq Not affected
SUSE Linux Enterprise Module for Basesystem 15 SP4 zeromq Released
SUSE Linux Enterprise Real Time 15 SP3 zeromq Affected
SUSE Linux Enterprise Server 11 SP3-CLIENT-TOOLS zeromq Not affected
SUSE Linux Enterprise Server 11 SP4-CLIENT-TOOLS zeromq Not affected
SUSE Linux Enterprise Server 12 SP5 zeromq Not affected
SUSE Linux Enterprise Server 15 SP4 zeromq Released
SUSE Linux Enterprise Server for SAP Applications 12 SP5 zeromq Not affected
SUSE Linux Enterprise Server for SAP Applications 15 SP4 zeromq Released
SUSE Linux Enterprise Software Development Kit 12 SP5 zeromq Not affected
SUSE Linux Enterprise Workstation Extension 12 SP5 zeromq Not affected
SUSE Manager Client Tools Beta for RHEL, Liberty and Clones 8 zeromq Not affected
SUSE Manager Client Tools Beta for SLE 12 zeromq Not affected
SUSE Manager Client Tools for RHEL, Liberty and Clones 8 zeromq Not affected
SUSE Manager Client Tools for SLE 12 zeromq Not affected
SUSE Manager Proxy 4.2 zeromq Released
SUSE Manager Proxy 4.3 zeromq Released
SUSE Manager Retail Branch Server 4.2 zeromq Released
SUSE Manager Retail Branch Server 4.3 zeromq Released
SUSE Manager Server 4.2 zeromq Released
SUSE Manager Server 4.3 zeromq Released
SUSE Manager Tools 12 zeromq Not affected
Products under Long Term Service Pack support and receiving important and critical security fixes.
SUSE Linux Enterprise High Performance Computing 15 zeromq Affected
SUSE Linux Enterprise High Performance Computing 15 SP1 zeromq Released
SUSE Linux Enterprise High Performance Computing 15 SP1-ESPOS zeromq Released
SUSE Linux Enterprise High Performance Computing 15 SP1-LTSS zeromq Released
SUSE Linux Enterprise High Performance Computing 15 SP2 zeromq Released
SUSE Linux Enterprise High Performance Computing 15 SP2-ESPOS zeromq Released
SUSE Linux Enterprise High Performance Computing 15 SP2-LTSS zeromq Released
SUSE Linux Enterprise High Performance Computing 15 SP3 zeromq Released
SUSE Linux Enterprise High Performance Computing 15 SP3-ESPOS zeromq Affected
SUSE Linux Enterprise High Performance Computing 15 SP3-LTSS zeromq Affected
SUSE Linux Enterprise High Performance Computing 15-ESPOS zeromq Affected
SUSE Linux Enterprise High Performance Computing 15-LTSS zeromq Released
SUSE Linux Enterprise Module for Basesystem 15 SP1 zeromq Released
SUSE Linux Enterprise Module for Basesystem 15 SP2 zeromq Released
SUSE Linux Enterprise Module for Basesystem 15 SP3 zeromq Released
SUSE Linux Enterprise Server 12 SP4 zeromq Not affected
SUSE Linux Enterprise Server 15 SP1 zeromq Released
SUSE Linux Enterprise Server 15 SP1-LTSS zeromq Released
SUSE Linux Enterprise Server 15 SP2 zeromq Released
SUSE Linux Enterprise Server 15 SP2-LTSS zeromq Released
SUSE Linux Enterprise Server 15 SP3 zeromq Released
SUSE Linux Enterprise Server 15 SP3-LTSS zeromq Affected
SUSE Linux Enterprise Server 15-ESPOS zeromq Released
SUSE Linux Enterprise Server Business Critical Linux 15 SP1 zeromq Released
SUSE Linux Enterprise Server Business Critical Linux 15 SP2 zeromq Released
SUSE Linux Enterprise Server for SAP Applications 12 SP4 zeromq Not affected
SUSE Linux Enterprise Server for SAP Applications 15 zeromq Released
SUSE Linux Enterprise Server for SAP Applications 15 SP1 zeromq Released
SUSE Linux Enterprise Server for SAP Applications 15 SP2 zeromq Released
SUSE Linux Enterprise Server for SAP Applications 15 SP3 zeromq Released
Products past their end of life and not receiving proactive updates anymore.
SUSE CaaS Platform 3.0 zeromq Not affected
SUSE CaaS Platform 4.0 zeromq Released
SUSE CaaS Platform 4.5 zeromq Released
SUSE Container as a Service Platform 1.0 zeromq Not affected
SUSE Container as a Service Platform 2.0 zeromq Not affected
SUSE Enterprise Storage 1.0 zeromq Not affected
SUSE Enterprise Storage 2 zeromq Not affected
SUSE Enterprise Storage 2.1 zeromq Not affected
SUSE Enterprise Storage 3 zeromq Not affected
SUSE Enterprise Storage 4 zeromq Not affected
SUSE Enterprise Storage 5 zeromq Not affected
SUSE Enterprise Storage 6 zeromq Released
SUSE Linux Enterprise Desktop 12 zeromq Not affected
SUSE Linux Enterprise Desktop 12 SP1 zeromq Not affected
SUSE Linux Enterprise Desktop 12 SP2 zeromq Not affected
SUSE Linux Enterprise Desktop 12 SP3 zeromq Not affected
SUSE Linux Enterprise Desktop 12 SP4 zeromq Not affected
SUSE Linux Enterprise Desktop 15 zeromq Affected
SUSE Linux Enterprise Desktop 15 SP1 zeromq Released
SUSE Linux Enterprise Desktop 15 SP2 zeromq Released
SUSE Linux Enterprise Desktop 15 SP3 zeromq Released
SUSE Linux Enterprise Micro 5.0 zeromq Released
SUSE Linux Enterprise Module for Basesystem 15 zeromq Affected
SUSE Linux Enterprise Point of Sale 12 SP2 zeromq Not affected
SUSE Linux Enterprise Point of Service Image Server 12 SP2 zeromq Unsupported
SUSE Linux Enterprise Real Time 15 SP2 zeromq Released
SUSE Linux Enterprise Server 12 zeromq Not affected
SUSE Linux Enterprise Server 12 SP1 zeromq Not affected
SUSE Linux Enterprise Server 12 SP2 zeromq Not affected
SUSE Linux Enterprise Server 12 SP3 zeromq Not affected
SUSE Linux Enterprise Server 15 zeromq Affected
SUSE Linux Enterprise Server 15 SP1-BCL zeromq Affected
SUSE Linux Enterprise Server 15 SP2-BCL zeromq Affected
SUSE Linux Enterprise Server 15 SP3-BCL zeromq Affected
SUSE Linux Enterprise Server 15-LTSS zeromq Released
SUSE Linux Enterprise Server for SAP Applications 12 zeromq Not affected
SUSE Linux Enterprise Server for SAP Applications 12 SP1 zeromq Not affected
SUSE Linux Enterprise Server for SAP Applications 12 SP2 zeromq Not affected
SUSE Linux Enterprise Server for SAP Applications 12 SP3 zeromq Not affected
SUSE Linux Enterprise Software Development Kit 12 zeromq Not affected
SUSE Linux Enterprise Software Development Kit 12 SP1 zeromq Not affected
SUSE Linux Enterprise Software Development Kit 12 SP2 zeromq Not affected
SUSE Linux Enterprise Software Development Kit 12 SP3 zeromq Not affected
SUSE Linux Enterprise Software Development Kit 12 SP4 zeromq Not affected
SUSE Linux Enterprise Workstation Extension 12 zeromq Not affected
SUSE Linux Enterprise Workstation Extension 12 SP1 zeromq Not affected
SUSE Linux Enterprise Workstation Extension 12 SP2 zeromq Not affected
SUSE Linux Enterprise Workstation Extension 12 SP3 zeromq Not affected
SUSE Linux Enterprise Workstation Extension 12 SP4 zeromq Not affected
SUSE Manager Proxy 3.0 zeromq Not affected
SUSE Manager Proxy 3.1 zeromq Not affected
SUSE Manager Proxy 3.2 zeromq Not affected
SUSE Manager Proxy 4.0 zeromq Released
SUSE Manager Proxy 4.1 zeromq Released
SUSE Manager Retail Branch Server 4.0 zeromq Released
SUSE Manager Retail Branch Server 4.1 zeromq Released
SUSE Manager Server 3.0 zeromq Not affected
SUSE Manager Server 3.1 zeromq Not affected
SUSE Manager Server 3.2 zeromq Not affected
SUSE Manager Server 4.0 zeromq Released
SUSE Manager Server 4.1 zeromq Released


SUSE Timeline for this CVE

CVE page created: Fri Feb 12 16:15:06 2021
CVE page last modified: Fri Jan 20 15:52:11 2023