Upstream information

CVE-2020-6820 at MITRE

Description

Under certain conditions, when handling a ReadableStream, a race condition can cause a use-after-free. We are aware of targeted attacks in the wild abusing this flaw. This vulnerability affects Thunderbird

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 6.8
Vector AV:N/AC:M/Au:N/C:P/I:P/A:P
Access Vector Network
Access Complexity Medium
Authentication None
Confidentiality Impact Partial
Integrity Impact Partial
Availability Impact Partial
CVSS v3 Scores
  National Vulnerability Database SUSE
Base Score 8.1 8.8
Vector CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Access Vector Network Network
Access Complexity High Low
Privileges Required None None
User Interaction None Required
Scope Unchanged Unchanged
Confidentiality Impact High High
Integrity Impact High High
Availability Impact High High
CVSSv3 Version 3.1 3.1
SUSE Bugzilla entries: 1168630 [RESOLVED / FIXED], 1168874 [RESOLVED / FIXED]

SUSE Security Advisories:

List of released packages

Product(s) Fixed package version(s) References
HPE Helion Openstack 8
  • MozillaFirefox >= 68.6.1-109.113.1
  • MozillaFirefox-translations-common >= 68.6.1-109.113.1
Patchnames:
HPE-Helion-OpenStack-8-2020-928
SUSE Enterprise Storage 5
  • MozillaFirefox >= 68.6.1-109.113.1
  • MozillaFirefox-translations-common >= 68.6.1-109.113.1
Patchnames:
SUSE-Storage-5-2020-928
SUSE Linux Enterprise Module for Desktop Applications 15 SP1
  • MozillaFirefox >= 68.6.1-3.81.1
  • MozillaFirefox-devel >= 68.6.1-3.81.1
  • MozillaFirefox-translations-common >= 68.6.1-3.81.1
  • MozillaFirefox-translations-other >= 68.6.1-3.81.1
Patchnames:
SUSE-SLE-Module-Desktop-Applications-15-SP1-2020-929
SUSE Linux Enterprise Module for Open Buildservice Development Tools 15 SP1
  • MozillaFirefox >= 68.6.1-3.81.1
  • MozillaFirefox-branding-upstream >= 68.6.1-3.81.1
  • MozillaFirefox-buildsymbols >= 68.6.1-3.81.1
  • MozillaFirefox-devel >= 68.6.1-3.81.1
Patchnames:
SUSE-SLE-Module-Development-Tools-OBS-15-SP1-2020-929
SUSE Linux Enterprise Point of Sale 12 SP2-CLIENT
  • MozillaFirefox >= 68.6.1-109.113.1
  • MozillaFirefox-devel >= 68.6.1-109.113.1
  • MozillaFirefox-translations-common >= 68.6.1-109.113.1
Patchnames:
SUSE-SLE-POS-12-SP2-CLIENT-2020-928
SUSE Linux Enterprise Server 11 SP4-LTSS
SUSE Linux Enterprise Server for SAP Applications 11 SP4-LTSS
  • MozillaFirefox >= 68.6.1-78.67.1
  • MozillaFirefox-translations-common >= 68.6.1-78.67.1
  • MozillaFirefox-translations-other >= 68.6.1-78.67.1
Patchnames:
slessp4-MozillaFirefox-14337
SUSE Linux Enterprise Server 12 SP1-LTSS
SUSE Linux Enterprise Server for SAP Applications 12 SP1-LTSS
  • MozillaFirefox >= 68.6.1-109.113.1
  • MozillaFirefox-devel >= 68.6.1-109.113.1
  • MozillaFirefox-translations-common >= 68.6.1-109.113.1
Patchnames:
SUSE-SLE-SERVER-12-SP1-2020-928
SUSE Linux Enterprise Server 12 SP2-BCL
SUSE Linux Enterprise Server for SAP Applications 12 SP2-BCL
  • MozillaFirefox >= 68.6.1-109.113.1
  • MozillaFirefox-devel >= 68.6.1-109.113.1
  • MozillaFirefox-translations-common >= 68.6.1-109.113.1
Patchnames:
SUSE-SLE-SERVER-12-SP2-BCL-2020-928
SUSE Linux Enterprise Server 12 SP2-ESPOS
SUSE Linux Enterprise Server for SAP Applications 12 SP2-ESPOS
  • MozillaFirefox >= 68.6.1-109.113.1
  • MozillaFirefox-devel >= 68.6.1-109.113.1
  • MozillaFirefox-translations-common >= 68.6.1-109.113.1
Patchnames:
SUSE-SLE-SERVER-12-SP2-ESPOS-2020-928
SUSE Linux Enterprise Server 12 SP2-LTSS
SUSE Linux Enterprise Server for SAP Applications 12 SP2-LTSS
  • MozillaFirefox >= 68.6.1-109.113.1
  • MozillaFirefox-devel >= 68.6.1-109.113.1
  • MozillaFirefox-translations-common >= 68.6.1-109.113.1
Patchnames:
SUSE-SLE-SERVER-12-SP2-2020-928
SUSE Linux Enterprise Server 12 SP3-BCL
SUSE Linux Enterprise Server for SAP Applications 12 SP3-BCL
  • MozillaFirefox >= 68.6.1-109.113.1
  • MozillaFirefox-translations-common >= 68.6.1-109.113.1
Patchnames:
SUSE-SLE-SERVER-12-SP3-BCL-2020-928
SUSE Linux Enterprise Server 12 SP3-ESPOS
SUSE Linux Enterprise Server for SAP Applications 12 SP3-ESPOS
  • MozillaFirefox >= 68.6.1-109.113.1
  • MozillaFirefox-translations-common >= 68.6.1-109.113.1
Patchnames:
SUSE-SLE-SERVER-12-SP3-ESPOS-2020-928
SUSE Linux Enterprise Server 12 SP3-LTSS
SUSE Linux Enterprise Server for SAP Applications 12 SP3-LTSS
  • MozillaFirefox >= 68.6.1-109.113.1
  • MozillaFirefox-translations-common >= 68.6.1-109.113.1
Patchnames:
SUSE-SLE-SERVER-12-SP3-2020-928
SUSE Linux Enterprise Server 12 SP4
SUSE Linux Enterprise Server for SAP Applications 12 SP4
  • MozillaFirefox >= 68.6.1-109.113.1
  • MozillaFirefox-translations-common >= 68.6.1-109.113.1
Patchnames:
SUSE-SLE-SERVER-12-SP4-2020-928
SUSE Linux Enterprise Server 12 SP5
SUSE Linux Enterprise Server for SAP Applications 12 SP5
  • MozillaFirefox >= 68.6.1-109.113.1
  • MozillaFirefox-translations-common >= 68.6.1-109.113.1
Patchnames:
SUSE-SLE-SERVER-12-SP5-2020-928
SUSE Linux Enterprise Server for SAP Applications 12 SP1
  • MozillaFirefox >= 68.6.1-109.113.1
  • MozillaFirefox-devel >= 68.6.1-109.113.1
  • MozillaFirefox-translations-common >= 68.6.1-109.113.1
Patchnames:
SUSE-SLE-SAP-12-SP1-2020-928
SUSE Linux Enterprise Server for SAP Applications 12 SP2
  • MozillaFirefox >= 68.6.1-109.113.1
  • MozillaFirefox-devel >= 68.6.1-109.113.1
  • MozillaFirefox-translations-common >= 68.6.1-109.113.1
Patchnames:
SUSE-SLE-SAP-12-SP2-2020-928
SUSE Linux Enterprise Server for SAP Applications 12 SP3
  • MozillaFirefox >= 68.6.1-109.113.1
  • MozillaFirefox-translations-common >= 68.6.1-109.113.1
Patchnames:
SUSE-SLE-SAP-12-SP3-2020-928
SUSE Linux Enterprise Software Development Kit 12 SP4
  • MozillaFirefox >= 68.6.1-109.113.1
  • MozillaFirefox-devel >= 68.6.1-109.113.1
Patchnames:
SUSE-SLE-SDK-12-SP4-2020-928
SUSE Linux Enterprise Software Development Kit 12 SP5
  • MozillaFirefox >= 68.6.1-109.113.1
  • MozillaFirefox-devel >= 68.6.1-109.113.1
Patchnames:
SUSE-SLE-SDK-12-SP5-2020-928
SUSE Linux Enterprise Workstation Extension 15 SP1
  • MozillaThunderbird >= 68.7.0-3.77.1
  • MozillaThunderbird-translations-common >= 68.7.0-3.77.1
  • MozillaThunderbird-translations-other >= 68.7.0-3.77.1
Patchnames:
SUSE-SLE-Product-WE-15-SP1-2020-1027
SUSE OpenStack Cloud 7
  • MozillaFirefox >= 68.6.1-109.113.1
  • MozillaFirefox-devel >= 68.6.1-109.113.1
  • MozillaFirefox-translations-common >= 68.6.1-109.113.1
Patchnames:
SUSE-OpenStack-Cloud-7-2020-928
SUSE OpenStack Cloud 8
  • MozillaFirefox >= 68.6.1-109.113.1
  • MozillaFirefox-translations-common >= 68.6.1-109.113.1
Patchnames:
SUSE-OpenStack-Cloud-8-2020-928
SUSE OpenStack Cloud Crowbar 8
  • MozillaFirefox >= 68.6.1-109.113.1
  • MozillaFirefox-translations-common >= 68.6.1-109.113.1
Patchnames:
SUSE-OpenStack-Cloud-Crowbar-8-2020-928
openSUSE Leap 15.1
  • MozillaFirefox >= 68.6.1-lp151.2.39.1
  • MozillaFirefox-branding-upstream >= 68.6.1-lp151.2.39.1
  • MozillaFirefox-buildsymbols >= 68.6.1-lp151.2.39.1
  • MozillaFirefox-debuginfo >= 68.6.1-lp151.2.39.1
  • MozillaFirefox-debugsource >= 68.6.1-lp151.2.39.1
  • MozillaFirefox-devel >= 68.6.1-lp151.2.39.1
  • MozillaFirefox-translations-common >= 68.6.1-lp151.2.39.1
  • MozillaFirefox-translations-other >= 68.6.1-lp151.2.39.1
  • MozillaThunderbird >= 68.7.0-lp151.2.35.1
  • MozillaThunderbird-debuginfo >= 68.7.0-lp151.2.35.1
  • MozillaThunderbird-debugsource >= 68.7.0-lp151.2.35.1
  • MozillaThunderbird-translations-common >= 68.7.0-lp151.2.35.1
  • MozillaThunderbird-translations-other >= 68.7.0-lp151.2.35.1
Patchnames:
openSUSE-2020-461
openSUSE-2020-520
openSUSE-2020-544


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 Linux Enterprise 15-SP1 Module for Desktop Applications MozillaFirefox Released
SUSE Linux Enterprise High Performance Computing 12 SP4 MozillaFirefox Released
SUSE Linux Enterprise High Performance Computing 12 SP5 MozillaFirefox Released
SUSE Linux Enterprise Server 11 SP3 MozillaFirefox Released
SUSE Linux Enterprise Server 11 SP4 LTSS MozillaFirefox Already fixed
SUSE Linux Enterprise Server 12 SP1 LTSS MozillaFirefox Released
SUSE Linux Enterprise Server 12 SP2 MozillaFirefox Affected
SUSE Linux Enterprise Server 12 SP2 BCL MozillaFirefox Released
SUSE Linux Enterprise Server 12 SP2 LTSS MozillaFirefox Released
SUSE Linux Enterprise Server 12 SP3 BCL MozillaFirefox Released
SUSE Linux Enterprise Server 12 SP3 LTSS MozillaFirefox Released
SUSE Linux Enterprise Server 12 SP4 MozillaFirefox Released
SUSE Linux Enterprise Server 12 SP5 MozillaFirefox Released
SUSE Linux Enterprise Server for SAP Applications 12 SP2 MozillaFirefox Released
SUSE Linux Enterprise Server for SAP Applications 12 SP3 MozillaFirefox Released
SUSE Linux Enterprise Server for SAP Applications 12 SP4 MozillaFirefox Released
SUSE Linux Enterprise Server for SAP Applications 12 SP5 MozillaFirefox Released
SUSE Linux Enterprise Software Development Kit 12 SP4 MozillaFirefox Released
SUSE Linux Enterprise Software Development Kit 12 SP5 MozillaFirefox Released
SUSE Linux Enterprise Workstation Extension 15 SP1 MozillaThunderbird Released
SUSE Linux Enterprise Workstation Extension 15 SP2 MozillaThunderbird Released