Upstream information

CVE-2020-7957 at MITRE

Description

The IMAP and LMTP components in Dovecot 2.3.9 before 2.3.9.3 mishandle snippet generation when many characters must be read to compute the snippet and a trailing > character exists. This causes a denial of service in which the recipient cannot read all of their messages.

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
Base Score 5.3
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality Impact None
Integrity Impact None
Availability Impact Low
CVSSv3 Version 3.1
SUSE Bugzilla entry: 1162773 [RESOLVED / FIXED]

No SUSE Security Announcements cross referenced.

List of released packages

Product(s) Fixed package version(s) References
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
  • dovecot23 >= 2.3.11.3-17.5.1
  • dovecot23-backend-mysql >= 2.3.11.3-17.5.1
  • dovecot23-backend-pgsql >= 2.3.11.3-17.5.1
  • dovecot23-backend-sqlite >= 2.3.11.3-17.5.1
  • dovecot23-devel >= 2.3.11.3-17.5.1
  • dovecot23-fts >= 2.3.11.3-17.5.1
  • dovecot23-fts-lucene >= 2.3.11.3-17.5.1
  • dovecot23-fts-solr >= 2.3.11.3-17.5.1
  • dovecot23-fts-squat >= 2.3.11.3-17.5.1
 Patchnames:
SUSE Linux Enterprise Module for Server Applications 15 SP3 GA dovecot23-2.3.11.3-17.5.1
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
  • dovecot23 >= 2.3.10-15.1
  • dovecot23-backend-mysql >= 2.3.10-15.1
  • dovecot23-backend-pgsql >= 2.3.10-15.1
  • dovecot23-backend-sqlite >= 2.3.10-15.1
  • dovecot23-devel >= 2.3.10-15.1
  • dovecot23-fts >= 2.3.10-15.1
  • dovecot23-fts-lucene >= 2.3.10-15.1
  • dovecot23-fts-solr >= 2.3.10-15.1
  • dovecot23-fts-squat >= 2.3.10-15.1
 Patchnames:
SUSE Linux Enterprise Module for Server Applications 15 SP2 GA dovecot23-2.3.10-15.1
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
  • dovecot23 >= 2.3.15-58.3
  • dovecot23-backend-mysql >= 2.3.15-58.3
  • dovecot23-backend-pgsql >= 2.3.15-58.3
  • dovecot23-backend-sqlite >= 2.3.15-58.3
  • dovecot23-devel >= 2.3.15-58.3
  • dovecot23-fts >= 2.3.15-58.3
  • dovecot23-fts-lucene >= 2.3.15-58.3
  • dovecot23-fts-solr >= 2.3.15-58.3
  • dovecot23-fts-squat >= 2.3.15-58.3
 Patchnames:
SUSE Linux Enterprise Module for Server Applications 15 SP4 GA dovecot23-2.3.15-58.3
openSUSE Tumbleweed
  • dovecot23 >= 2.3.16-1.6
  • dovecot23-backend-mysql >= 2.3.16-1.6
  • dovecot23-backend-pgsql >= 2.3.16-1.6
  • dovecot23-backend-sqlite >= 2.3.16-1.6
  • dovecot23-devel >= 2.3.16-1.6
  • dovecot23-fts >= 2.3.16-1.6
  • dovecot23-fts-lucene >= 2.3.16-1.6
  • dovecot23-fts-solr >= 2.3.16-1.6
  • dovecot23-fts-squat >= 2.3.16-1.6
 Patchnames:
openSUSE-Tumbleweed-2024-10726

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 Linux Enterprise High Performance Computing 15 SP5 dovecot Not affected
SUSE Linux Enterprise High Performance Computing 15 SP6 dovecot Not affected
SUSE Linux Enterprise Module for Server Applications 15 SP5 dovecot Not affected
SUSE Linux Enterprise Module for Server Applications 15 SP6 dovecot Not affected
SUSE Linux Enterprise Server 15 SP5 dovecot Not affected
SUSE Linux Enterprise Server 15 SP6 dovecot Not affected
SUSE Linux Enterprise Server for SAP Applications 15 SP5 dovecot Not affected
SUSE Linux Enterprise Server for SAP Applications 15 SP6 dovecot Not affected
SUSE Manager Proxy 4.3 dovecot Not affected
SUSE Manager Retail Branch Server 4.3 dovecot Not affected
SUSE Manager Server 4.3 dovecot Not affected
openSUSE Leap 15.5 dovecot Not affected
openSUSE Leap 15.6 dovecot Not affected
Products under Long Term Service Pack support and receiving important and critical security fixes.
SUSE Linux Enterprise High Performance Computing 12 SP5 dovecot Not affected
SUSE Linux Enterprise High Performance Computing 15 SP2 dovecot Not affected
SUSE Linux Enterprise High Performance Computing 15 SP2-ESPOS dovecot Not affected
SUSE Linux Enterprise High Performance Computing 15 SP2-LTSS dovecot Not affected
SUSE Linux Enterprise High Performance Computing 15 SP3 dovecot Not affected
SUSE Linux Enterprise High Performance Computing 15 SP3-ESPOS dovecot Not affected
SUSE Linux Enterprise High Performance Computing 15 SP3-LTSS dovecot Not affected
SUSE Linux Enterprise High Performance Computing 15 SP4 dovecot Not affected
SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOS dovecot Not affected
SUSE Linux Enterprise High Performance Computing 15 SP4-LTSS dovecot Not affected
SUSE Linux Enterprise Module for Server Applications 15 SP2 dovecot Not affected
SUSE Linux Enterprise Module for Server Applications 15 SP3 dovecot Not affected
SUSE Linux Enterprise Module for Server Applications 15 SP4 dovecot Not affected
SUSE Linux Enterprise Server 12 SP5 dovecot Not affected
SUSE Linux Enterprise Server 12 SP5-LTSS dovecot Not affected
SUSE Linux Enterprise Server 15 SP2 dovecot Not affected
SUSE Linux Enterprise Server 15 SP2-LTSS dovecot Not affected
SUSE Linux Enterprise Server 15 SP3 dovecot Not affected
SUSE Linux Enterprise Server 15 SP3-LTSS dovecot Not affected
SUSE Linux Enterprise Server 15 SP4 dovecot Not affected
SUSE Linux Enterprise Server 15 SP4-LTSS dovecot Not affected
SUSE Linux Enterprise Server 15-ESPOS dovecot23 Ignore
SUSE Linux Enterprise Server Business Critical Linux 15 SP1 dovecot23 Ignore
SUSE Linux Enterprise Server for SAP Applications 12 SP5 dovecot Not affected
SUSE Linux Enterprise Server for SAP Applications 15 SP2 dovecot Not affected
SUSE Linux Enterprise Server for SAP Applications 15 SP3 dovecot Not affected
SUSE Linux Enterprise Server for SAP Applications 15 SP4 dovecot Not affected
Products past their end of life and not receiving proactive updates anymore.
HPE Helion OpenStack 8 dovecot Not affected
SUSE CaaS Platform 4.0 dovecot Not affected
SUSE CaaS Platform 4.0 dovecot23 Ignore
SUSE Enterprise Storage 6 dovecot Not affected
SUSE Enterprise Storage 6 dovecot23 Ignore
SUSE Enterprise Storage 7 dovecot Not affected
SUSE Enterprise Storage 7.1 dovecot Not affected
SUSE Linux Enterprise High Performance Computing 12 SP4 dovecot Not affected
SUSE Linux Enterprise High Performance Computing 15 dovecot Not affected
SUSE Linux Enterprise High Performance Computing 15 dovecot23 Ignore
SUSE Linux Enterprise High Performance Computing 15 SP1 dovecot Not affected
SUSE Linux Enterprise High Performance Computing 15 SP1 dovecot23 Ignore
SUSE Linux Enterprise High Performance Computing 15 SP1-ESPOS dovecot Not affected
SUSE Linux Enterprise High Performance Computing 15 SP1-ESPOS dovecot23 Ignore
SUSE Linux Enterprise High Performance Computing 15 SP1-LTSS dovecot Not affected
SUSE Linux Enterprise High Performance Computing 15 SP1-LTSS dovecot23 Ignore
SUSE Linux Enterprise High Performance Computing 15-ESPOS dovecot Not affected
SUSE Linux Enterprise High Performance Computing 15-ESPOS dovecot23 Ignore
SUSE Linux Enterprise High Performance Computing 15-LTSS dovecot Not affected
SUSE Linux Enterprise High Performance Computing 15-LTSS dovecot23 Ignore
SUSE Linux Enterprise Module for Server Applications 15 dovecot Not affected
SUSE Linux Enterprise Module for Server Applications 15 dovecot23 Ignore
SUSE Linux Enterprise Module for Server Applications 15 SP1 dovecot Not affected
SUSE Linux Enterprise Module for Server Applications 15 SP1 dovecot23 Ignore
SUSE Linux Enterprise Point of Sale 12 SP2-CLIENT dovecot Not affected
SUSE Linux Enterprise Real Time 15 SP2 dovecot Not affected
SUSE Linux Enterprise Real Time 15 SP3 dovecot Not affected
SUSE Linux Enterprise Real Time 15 SP4 dovecot Not affected
SUSE Linux Enterprise Server 12 dovecot Not affected
SUSE Linux Enterprise Server 12 SP1 dovecot Not affected
SUSE Linux Enterprise Server 12 SP1-LTSS dovecot Not affected
SUSE Linux Enterprise Server 12 SP2 dovecot Not affected
SUSE Linux Enterprise Server 12 SP2-BCL dovecot Not affected
SUSE Linux Enterprise Server 12 SP2-ESPOS dovecot Not affected
SUSE Linux Enterprise Server 12 SP2-LTSS dovecot Not affected
SUSE Linux Enterprise Server 12 SP3 dovecot Not affected
SUSE Linux Enterprise Server 12 SP3-BCL dovecot Not affected
SUSE Linux Enterprise Server 12 SP3-ESPOS dovecot Not affected
SUSE Linux Enterprise Server 12 SP3-LTSS dovecot Not affected
SUSE Linux Enterprise Server 12 SP4 dovecot Not affected
SUSE Linux Enterprise Server 12 SP4-ESPOS dovecot Not affected
SUSE Linux Enterprise Server 12 SP4-LTSS dovecot Not affected
SUSE Linux Enterprise Server 12-LTSS dovecot Not affected
SUSE Linux Enterprise Server 15 dovecot Not affected
SUSE Linux Enterprise Server 15 dovecot23 Ignore
SUSE Linux Enterprise Server 15 SP1 dovecot Not affected
SUSE Linux Enterprise Server 15 SP1 dovecot23 Ignore
SUSE Linux Enterprise Server 15 SP1-BCL dovecot Not affected
SUSE Linux Enterprise Server 15 SP1-BCL dovecot23 Ignore
SUSE Linux Enterprise Server 15 SP1-LTSS dovecot Not affected
SUSE Linux Enterprise Server 15 SP1-LTSS dovecot23 Ignore
SUSE Linux Enterprise Server 15 SP2-BCL dovecot Not affected
SUSE Linux Enterprise Server 15 SP3-BCL dovecot Not affected
SUSE Linux Enterprise Server 15-LTSS dovecot Not affected
SUSE Linux Enterprise Server 15-LTSS dovecot23 Ignore
SUSE Linux Enterprise Server for Raspberry Pi 12 SP2 dovecot Not affected
SUSE Linux Enterprise Server for SAP Applications 12 SP1 dovecot Not affected
SUSE Linux Enterprise Server for SAP Applications 12 SP2 dovecot Not affected
SUSE Linux Enterprise Server for SAP Applications 12 SP3 dovecot Not affected
SUSE Linux Enterprise Server for SAP Applications 12 SP4 dovecot Not affected
SUSE Linux Enterprise Server for SAP Applications 15 dovecot Not affected
SUSE Linux Enterprise Server for SAP Applications 15 dovecot23 Ignore
SUSE Linux Enterprise Server for SAP Applications 15 SP1 dovecot Not affected
SUSE Linux Enterprise Server for SAP Applications 15 SP1 dovecot23 Ignore
SUSE Manager Proxy 4.0 dovecot Not affected
SUSE Manager Proxy 4.0 dovecot23 Ignore
SUSE Manager Proxy 4.1 dovecot Not affected
SUSE Manager Proxy 4.2 dovecot Not affected
SUSE Manager Retail Branch Server 4.0 dovecot Not affected
SUSE Manager Retail Branch Server 4.0 dovecot23 Ignore
SUSE Manager Retail Branch Server 4.1 dovecot Not affected
SUSE Manager Retail Branch Server 4.2 dovecot Not affected
SUSE Manager Server 4.0 dovecot Not affected
SUSE Manager Server 4.0 dovecot23 Ignore
SUSE Manager Server 4.1 dovecot Not affected
SUSE Manager Server 4.2 dovecot Not affected
SUSE OpenStack Cloud 7 dovecot Not affected
SUSE OpenStack Cloud 8 dovecot Not affected
SUSE OpenStack Cloud 9 dovecot Not affected
SUSE OpenStack Cloud Crowbar 8 dovecot Not affected
SUSE OpenStack Cloud Crowbar 9 dovecot Not affected
openSUSE Leap 15.3 dovecot Not affected
openSUSE Leap 15.4 dovecot Not affected
Products at an unknown state of their lifecycle.
SUSE Linux Enterprise Server LTSS Extended Security 12-SP5 dovecot Not affected

SUSE Timeline for this CVE

CVE page created: Wed Feb 5 12:28:42 2020
CVE page last modified: Tue Nov 12 19:25:46 2024