Upstream information

CVE-2022-21716 at MITRE

Description

Twisted is an event-based framework for internet applications, supporting Python 3.6+. Prior to 22.2.0, Twisted SSH client and server implement is able to accept an infinite amount of data for the peer's SSH version identifier. This ends up with a buffer using all the available memory. The attach is a simple as `nc -rv localhost 22 < /dev/zero`. A patch is available in version 22.2.0. There are currently no known workarounds.

SUSE information

Overall state of this security issue: Running

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 7.5
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:U/C:N/I:N/A:H
Access Vector Network Network
Access Complexity Low Low
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: 1196739 [IN_PROGRESS]

SUSE Security Advisories:

List of released packages

Product(s) Fixed package version(s) References
HPE Helion Openstack 8
  • python-Twisted >= 15.2.1-9.17.1
Patchnames:
HPE-Helion-OpenStack-8-2022-2117
SUSE Enterprise Storage 7
  • python3-Twisted >= 19.10.0-150200.3.12.1
Patchnames:
SUSE-Storage-7-2022-2070
SUSE Linux Enterprise High Performance Computing 12
SUSE Linux Enterprise Module for Web Scripting 12
SUSE Linux Enterprise Server 12
SUSE Linux Enterprise Server 12 SP3
SUSE Linux Enterprise Server 12 SP4
SUSE Linux Enterprise Server 12 SP5
SUSE Linux Enterprise Server for SAP Applications 12
SUSE Linux Enterprise Server for SAP Applications 12 SP3
SUSE Linux Enterprise Server for SAP Applications 12 SP4
SUSE Linux Enterprise Server for SAP Applications 12 SP5
  • python-Twisted >= 15.2.1-9.17.1
Patchnames:
SUSE-SLE-Module-Web-Scripting-12-2022-2117
SUSE Linux Enterprise High Performance Computing 15 SP2-ESPOS
  • python3-Twisted >= 19.10.0-150200.3.12.1
Patchnames:
SUSE-SLE-Product-HPC-15-SP2-ESPOS-2022-2070
SUSE Linux Enterprise High Performance Computing 15 SP2-LTSS
  • python3-Twisted >= 19.10.0-150200.3.12.1
Patchnames:
SUSE-SLE-Product-HPC-15-SP2-LTSS-2022-2070
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 Linux Enterprise Storage 7.1
SUSE Manager Proxy 4.2
SUSE Manager Retail Branch Server 4.2
SUSE Manager Server 4.2
  • python3-Twisted >= 19.10.0-150200.3.12.1
Patchnames:
SUSE-SLE-Module-Server-Applications-15-SP3-2022-2070
SUSE Linux Enterprise Module for Package Hub 15 SP3
  • python3-Twisted >= 19.10.0-150200.3.12.1
Patchnames:
SUSE-SLE-Module-Packagehub-Subpackages-15-SP3-2022-2070
SUSE Linux Enterprise Server 15 SP2-BCL
  • python3-Twisted >= 19.10.0-150200.3.12.1
Patchnames:
SUSE-SLE-Product-SLES-15-SP2-BCL-2022-2070
SUSE Linux Enterprise Server 15 SP2-LTSS
  • python3-Twisted >= 19.10.0-150200.3.12.1
Patchnames:
SUSE-SLE-Product-SLES-15-SP2-LTSS-2022-2070
SUSE Linux Enterprise Server for SAP Applications 15 SP2
  • python3-Twisted >= 19.10.0-150200.3.12.1
Patchnames:
SUSE-SLE-Product-SLES_SAP-15-SP2-2022-2070
SUSE Manager Proxy 4.1
  • python3-Twisted >= 19.10.0-150200.3.12.1
Patchnames:
SUSE-SLE-Product-SUSE-Manager-Proxy-4.1-2022-2070
SUSE Manager Retail Branch Server 4.1
  • python3-Twisted >= 19.10.0-150200.3.12.1
Patchnames:
SUSE-SLE-Product-SUSE-Manager-Retail-Branch-Server-4.1-2022-2070
SUSE Manager Server 4.1
  • python3-Twisted >= 19.10.0-150200.3.12.1
Patchnames:
SUSE-SLE-Product-SUSE-Manager-Server-4.1-2022-2070
SUSE OpenStack Cloud 8
  • python-Twisted >= 15.2.1-9.17.1
Patchnames:
SUSE-OpenStack-Cloud-8-2022-2117
SUSE OpenStack Cloud 9
  • python-Twisted >= 15.2.1-9.17.1
Patchnames:
SUSE-OpenStack-Cloud-9-2022-2117
SUSE OpenStack Cloud Crowbar 8
  • python-Twisted >= 15.2.1-9.17.1
Patchnames:
SUSE-OpenStack-Cloud-Crowbar-8-2022-2117
SUSE OpenStack Cloud Crowbar 9
  • python-Twisted >= 15.2.1-9.17.1
Patchnames:
SUSE-OpenStack-Cloud-Crowbar-9-2022-2117
openSUSE Leap 15.3
  • python-Twisted-doc >= 19.10.0-150200.3.12.1
  • python2-Twisted >= 19.10.0-150200.3.12.1
  • python3-Twisted >= 19.10.0-150200.3.12.1
Patchnames:
openSUSE-SLE-15.3-2022-2070
openSUSE Tumbleweed
  • python-Twisted-doc >= 22.2.0-1.1
  • python310-Twisted >= 22.2.0-1.1
  • python38-Twisted >= 22.2.0-1.1
  • python39-Twisted >= 22.2.0-1.1
Patchnames:
openSUSE Tumbleweed GA python-Twisted-doc-22.2.0-1.1

List of packages in QA

Product(s) Package(s)
SUSE Linux Enterprise Module for Server Applications 15 SP4
  • python3-Twisted >= 22.2.0-150400.5.4.1
SUSE Linux Enterprise Server 15 SP4
  • python3-Twisted >= 22.2.0-150400.5.4.1
SUSE Linux Enterprise Server for SAP Applications 15 SP4
  • python3-Twisted >= 22.2.0-150400.5.4.1
SUSE Linux Enterprise High Performance Computing 15 SP4
  • python3-Twisted >= 22.2.0-150400.5.4.1
SUSE Manager Server 4.3
  • python3-Twisted >= 22.2.0-150400.5.4.1
SUSE Manager Proxy 4.3
  • python3-Twisted >= 22.2.0-150400.5.4.1
SUSE Manager Retail Branch Server 4.3
  • python3-Twisted >= 22.2.0-150400.5.4.1


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
HPE Helion OpenStack 8 python-Twisted Released
SUSE Enterprise Storage 7 python-Twisted Released
SUSE Linux Enterprise High Performance Computing 12 python-Twisted Released
SUSE Linux Enterprise High Performance Computing 15 SP2 ESPOS python-Twisted Released
SUSE Linux Enterprise High Performance Computing 15 SP2 LTSS python-Twisted Released
SUSE Linux Enterprise High Performance Computing 15 SP3 python-Twisted Released
SUSE Linux Enterprise High Performance Computing 15 SP4 python-Twisted In progress
SUSE Linux Enterprise Module for Server Applications 15 SP3 python-Twisted Released
SUSE Linux Enterprise Module for Server Applications 15 SP4 python-Twisted In progress
SUSE Linux Enterprise Module for Web and Scripting 12 python-Twisted Released
SUSE Linux Enterprise Real Time 15 SP2 python-Twisted In progress
SUSE Linux Enterprise Server 12 python-Twisted Released
SUSE Linux Enterprise Server 12 SP3 python-Twisted Released
SUSE Linux Enterprise Server 12 SP4 python-Twisted Released
SUSE Linux Enterprise Server 12 SP5 python-Twisted Released
SUSE Linux Enterprise Server 15 SP2 LTSS python-Twisted Released
SUSE Linux Enterprise Server 15 SP3 python-Twisted Released
SUSE Linux Enterprise Server 15 SP4 python-Twisted In progress
SUSE Linux Enterprise Server Business Critical Linux 15 SP2 python-Twisted Released
SUSE Linux Enterprise Server for SAP Applications 12 python-Twisted Released
SUSE Linux Enterprise Server for SAP Applications 12 SP3 python-Twisted Released
SUSE Linux Enterprise Server for SAP Applications 12 SP4 python-Twisted Released
SUSE Linux Enterprise Server for SAP Applications 12 SP5 python-Twisted Released
SUSE Linux Enterprise Server for SAP Applications 15 SP2 python-Twisted Released
SUSE Linux Enterprise Server for SAP Applications 15 SP3 python-Twisted Released
SUSE Linux Enterprise Server for SAP Applications 15 SP4 python-Twisted In progress
SUSE Linux Enterprise Storage 7.1 python-Twisted Released
SUSE Manager Proxy 4.1 python-Twisted Released
SUSE Manager Proxy 4.2 python-Twisted Released
SUSE Manager Proxy 4.3 python-Twisted In progress
SUSE Manager Retail Branch Server 4.1 python-Twisted Released
SUSE Manager Retail Branch Server 4.2 python-Twisted Released
SUSE Manager Retail Branch Server 4.3 python-Twisted In progress
SUSE Manager Server 4.1 python-Twisted Released
SUSE Manager Server 4.2 python-Twisted Released
SUSE Manager Server 4.3 python-Twisted In progress
SUSE OpenStack Cloud 8 python-Twisted Released
SUSE OpenStack Cloud 9 python-Twisted Released
SUSE OpenStack Cloud Crowbar 8 python-Twisted Released
SUSE OpenStack Cloud Crowbar 9 python-Twisted Released
SUSE Package Hub 15 SP3 python-Twisted Released