Upstream information

CVE-2018-20340 at MITRE

Description

Yubico libu2f-host 1.1.6 contains unchecked buffers in devs.c, which could enable a malicious token to exploit a buffer overflow. An attacker could use this to attempt to execute malicious code using a crafted USB device masquerading as a security token on a computer where the affected library is currently in use. It is not possible to perform this attack with a genuine YubiKey.

SUSE information

Overall state of this security issue: Resolved

This issue is currently rated as having moderate severity.

CVSS v2 Scores
  National Vulnerability Database
Base Score 4.6
Vector AV:L/AC:L/Au:N/C:P/I:P/A:P
Access Vector Local
Access Complexity Low
Authentication None
Confidentiality Impact Partial
Integrity Impact Partial
Availability Impact Partial
CVSS v3 Scores
  National Vulnerability Database SUSE
Base Score 6.8 6.4
Vector CVSS:3.0/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS:3.0/AV:P/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector Physical Physical
Attack Complexity Low High
Privileges Required None None
User Interaction None None
Scope Unchanged Unchanged
Confidentiality Impact High High
Integrity Impact High High
Availability Impact High High
CVSSv3 Version 3 3
SUSE Bugzilla entry: 1124781 [RESOLVED / FIXED]

SUSE Security Advisories:

List of released packages

Product(s) Fixed package version(s) References
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
  • libu2f-host-devel >= 1.1.6-3.3.3
  • libu2f-host0 >= 1.1.6-3.3.3
  • u2f-host >= 1.1.10-3.9.1
 Patchnames:
SUSE Linux Enterprise Module for Basesystem 15 SP3 GA libu2f-host-1.1.6-3.6.1
SUSE Linux Enterprise Module for Basesystem 15 SP3 GA libu2f-host-devel-1.1.6-3.6.1
SUSE-SLE-Module-Basesystem-15-SP3-2021-1755
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
  • libu2f-host-devel >= 1.1.6-3.3.3
  • libu2f-host0 >= 1.1.6-3.3.3
  • u2f-host >= 1.1.10-3.9.1
 Patchnames:
SUSE Linux Enterprise Module for Basesystem 15 SP2 GA libu2f-host-1.1.6-3.6.1
SUSE Linux Enterprise Module for Basesystem 15 SP2 GA libu2f-host-devel-1.1.6-3.6.1
SUSE-SLE-Module-Basesystem-15-SP2-2021-1755
SUSE Linux Enterprise Desktop 12 SP4
  • libu2f-host0 >= 1.1.6-3.5.1
  • pam_u2f >= 1.0.8-3.3.1
 Patchnames:
SUSE-SLE-DESKTOP-12-SP4-2019-1749
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
  • libu2f-host-devel >= 1.1.6-3.3.3
  • libu2f-host0 >= 1.1.6-3.3.3
 Patchnames:
SUSE Linux Enterprise Module for Basesystem 15 SP4 GA libu2f-host-1.1.10-3.9.1
SUSE Linux Enterprise Module for Basesystem 15 SP4 GA libu2f-host-devel-1.1.10-3.9.1
SUSE Linux Enterprise Desktop 15 SP5
SUSE Linux Enterprise High Performance Computing 15 SP5
SUSE Linux Enterprise Module for Basesystem 15 SP5
SUSE Linux Enterprise Server 15 SP5
SUSE Linux Enterprise Server for SAP Applications 15 SP5
  • libu2f-host-devel >= 1.1.6-3.3.3
  • libu2f-host0 >= 1.1.6-3.3.3
 Patchnames:
SUSE Linux Enterprise Module for Basesystem 15 SP5 GA libu2f-host-1.1.10-3.9.1
SUSE Linux Enterprise Module for Basesystem 15 SP5 GA libu2f-host-devel-1.1.10-3.9.1
SUSE Linux Enterprise Desktop 15 SP6
SUSE Linux Enterprise High Performance Computing 15 SP6
SUSE Linux Enterprise Module for Basesystem 15 SP6
SUSE Linux Enterprise Server 15 SP6
SUSE Linux Enterprise Server for SAP Applications 15 SP6
  • libu2f-host-devel >= 1.1.10-150600.16.3
  • libu2f-host0 >= 1.1.10-150600.16.3
 Patchnames:
SUSE Linux Enterprise Module for Basesystem 15 SP6 GA libu2f-host-devel-1.1.10-150600.16.3
SUSE Linux Enterprise Desktop 15
SUSE Linux Enterprise High Performance Computing 15
SUSE Linux Enterprise Module for Basesystem 15
SUSE Linux Enterprise Server 15
SUSE Linux Enterprise Server for SAP Applications 15
  • libu2f-host-devel >= 1.1.6-3.3.3
  • libu2f-host0 >= 1.1.6-3.3.3
 Patchnames:
SUSE-SLE-Module-Basesystem-15-2019-1340
SUSE Linux Enterprise High Performance Computing 12 SP5
  • libu2f-host0 >= 1.1.6-3.5.1
 Patchnames:
SUSE Linux Enterprise High Performance Computing 12 SP5 GA libu2f-host0-1.1.6-3.5.1
SUSE Linux Enterprise Server 12 SP4
SUSE Linux Enterprise Server for SAP Applications 12 SP4
  • libu2f-host0 >= 1.1.6-3.5.1
  • pam_u2f >= 1.0.8-3.3.1
 Patchnames:
SUSE-SLE-SERVER-12-SP4-2019-1749
SUSE Linux Enterprise Server 12 SP5
  • libu2f-host0 >= 1.1.6-3.5.1
 Patchnames:
SUSE Linux Enterprise Server 12 SP5 GA libu2f-host0-1.1.6-3.5.1
openSUSE Leap 15.0
  • libu2f-host-devel >= 1.1.6-lp150.7.1
  • libu2f-host-doc >= 1.1.6-lp150.7.1
  • libu2f-host0 >= 1.1.6-lp150.7.1
  • u2f-host >= 1.1.6-lp150.7.1
 Patchnames:
openSUSE-2019-1475
openSUSE Leap 15.1
  • libu2f-host-devel >= 1.1.6-lp151.2.3.1
  • libu2f-host-doc >= 1.1.6-lp151.2.3.1
  • libu2f-host0 >= 1.1.6-lp151.2.3.1
  • u2f-host >= 1.1.6-lp151.2.3.1
 Patchnames:
openSUSE-2019-1475
openSUSE Leap 15.2
  • libu2f-host-devel >= 1.1.10-lp152.4.3.1
  • libu2f-host-doc >= 1.1.10-lp152.4.3.1
  • libu2f-host0 >= 1.1.10-lp152.4.3.1
  • u2f-host >= 1.1.10-lp152.4.3.1
 Patchnames:
openSUSE-2021-799
openSUSE Leap 15.3
  • libu2f-host-devel >= 1.1.10-3.9.1
  • libu2f-host-doc >= 1.1.10-3.9.1
  • libu2f-host0 >= 1.1.10-3.9.1
  • u2f-host >= 1.1.10-3.9.1
 Patchnames:
openSUSE-SLE-15.3-2021-1755

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 Desktop 15 SP5 libu2f-host Released
SUSE Linux Enterprise High Performance Computing 12 SP5 libu2f-host Released
SUSE Linux Enterprise High Performance Computing 12 SP5 pam_u2f Released
SUSE Linux Enterprise High Performance Computing 15 SP5 libu2f-host Released
SUSE Linux Enterprise Module for Basesystem 15 SP5 libu2f-host Released
SUSE Linux Enterprise Server 12 SP5 libu2f-host Released
SUSE Linux Enterprise Server 12 SP5 pam_u2f Released
SUSE Linux Enterprise Server 12 SP5-LTSS libu2f-host Affected
SUSE Linux Enterprise Server 12 SP5-LTSS pam_u2f Affected
SUSE Linux Enterprise Server 15 SP5 libu2f-host Released
SUSE Linux Enterprise Server for SAP Applications 12 SP5 libu2f-host Released
SUSE Linux Enterprise Server for SAP Applications 12 SP5 pam_u2f Released
SUSE Linux Enterprise Server for SAP Applications 15 SP5 libu2f-host Released
SUSE Manager Proxy 4.3 libu2f-host Released
SUSE Manager Retail Branch Server 4.3 libu2f-host Released
SUSE Manager Server 4.3 libu2f-host Released
openSUSE Leap 15.5 libu2f-host Affected
Products under Long Term Service Pack support and receiving important and critical security fixes.
SUSE Linux Enterprise Desktop 15 SP4 libu2f-host Released
SUSE Linux Enterprise High Performance Computing 15 SP2 libu2f-host Released
SUSE Linux Enterprise High Performance Computing 15 SP2-ESPOS libu2f-host Affected
SUSE Linux Enterprise High Performance Computing 15 SP2-LTSS libu2f-host Affected
SUSE Linux Enterprise High Performance Computing 15 SP3 libu2f-host Released
SUSE Linux Enterprise High Performance Computing 15 SP3-ESPOS libu2f-host Affected
SUSE Linux Enterprise High Performance Computing 15 SP3-LTSS libu2f-host Affected
SUSE Linux Enterprise High Performance Computing 15 SP4 libu2f-host Released
SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOS libu2f-host Affected
SUSE Linux Enterprise High Performance Computing 15 SP4-LTSS libu2f-host Affected
SUSE Linux Enterprise Module for Basesystem 15 SP2 libu2f-host Released
SUSE Linux Enterprise Module for Basesystem 15 SP3 libu2f-host Released
SUSE Linux Enterprise Module for Basesystem 15 SP4 libu2f-host Released
SUSE Linux Enterprise Server 15 SP2 libu2f-host Released
SUSE Linux Enterprise Server 15 SP2-LTSS libu2f-host Affected
SUSE Linux Enterprise Server 15 SP3 libu2f-host Released
SUSE Linux Enterprise Server 15 SP3-LTSS libu2f-host Affected
SUSE Linux Enterprise Server 15 SP4 libu2f-host Released
SUSE Linux Enterprise Server 15 SP4-LTSS libu2f-host Affected
SUSE Linux Enterprise Server 15-ESPOS libu2f-host Unsupported
SUSE Linux Enterprise Server Business Critical Linux 15 SP1 libu2f-host Unsupported
SUSE Linux Enterprise Server for SAP Applications 15 SP2 libu2f-host Released
SUSE Linux Enterprise Server for SAP Applications 15 SP3 libu2f-host Released
SUSE Linux Enterprise Server for SAP Applications 15 SP4 libu2f-host Released
Products past their end of life and not receiving proactive updates anymore.
SUSE CaaS Platform 4.0 libu2f-host Affected
SUSE Enterprise Storage 6 libu2f-host Affected
SUSE Enterprise Storage 7 libu2f-host Released
SUSE Enterprise Storage 7.1 libu2f-host Released
SUSE Linux Enterprise Desktop 12 SP4 libu2f-host Released
SUSE Linux Enterprise Desktop 12 SP4 pam_u2f Released
SUSE Linux Enterprise Desktop 15 libu2f-host Released
SUSE Linux Enterprise Desktop 15 SP1 libu2f-host Affected
SUSE Linux Enterprise Desktop 15 SP2 libu2f-host Released
SUSE Linux Enterprise Desktop 15 SP3 libu2f-host Released
SUSE Linux Enterprise High Performance Computing 12 SP4 libu2f-host Released
SUSE Linux Enterprise High Performance Computing 15 libu2f-host Released
SUSE Linux Enterprise High Performance Computing 15 SP1 libu2f-host Affected
SUSE Linux Enterprise High Performance Computing 15 SP1-ESPOS libu2f-host Affected
SUSE Linux Enterprise High Performance Computing 15 SP1-LTSS libu2f-host Affected
SUSE Linux Enterprise High Performance Computing 15-ESPOS libu2f-host Affected
SUSE Linux Enterprise High Performance Computing 15-LTSS libu2f-host Unsupported
SUSE Linux Enterprise Module for Basesystem 15 libu2f-host Released
SUSE Linux Enterprise Module for Basesystem 15 SP1 libu2f-host Affected
SUSE Linux Enterprise Real Time 15 SP2 libu2f-host Affected
SUSE Linux Enterprise Real Time 15 SP3 libu2f-host Affected
SUSE Linux Enterprise Real Time 15 SP4 libu2f-host Affected
SUSE Linux Enterprise Server 12 SP4 libu2f-host Released
SUSE Linux Enterprise Server 12 SP4 pam_u2f Released
SUSE Linux Enterprise Server 12 SP4-ESPOS libu2f-host Released
SUSE Linux Enterprise Server 12 SP4-ESPOS pam_u2f Affected
SUSE Linux Enterprise Server 12 SP4-LTSS libu2f-host Released
SUSE Linux Enterprise Server 12 SP4-LTSS pam_u2f Affected
SUSE Linux Enterprise Server 15 libu2f-host Released
SUSE Linux Enterprise Server 15 SP1 libu2f-host Affected
SUSE Linux Enterprise Server 15 SP1-BCL libu2f-host Affected
SUSE Linux Enterprise Server 15 SP1-LTSS libu2f-host Affected
SUSE Linux Enterprise Server 15 SP2-BCL libu2f-host Affected
SUSE Linux Enterprise Server 15 SP3-BCL libu2f-host Affected
SUSE Linux Enterprise Server 15-LTSS libu2f-host Unsupported
SUSE Linux Enterprise Server for SAP Applications 12 SP4 libu2f-host Released
SUSE Linux Enterprise Server for SAP Applications 12 SP4 pam_u2f Released
SUSE Linux Enterprise Server for SAP Applications 15 libu2f-host Released
SUSE Linux Enterprise Server for SAP Applications 15 SP1 libu2f-host Affected
SUSE Manager Proxy 4.0 libu2f-host Unsupported
SUSE Manager Proxy 4.1 libu2f-host Released
SUSE Manager Proxy 4.2 libu2f-host Released
SUSE Manager Retail Branch Server 4.0 libu2f-host Unsupported
SUSE Manager Retail Branch Server 4.1 libu2f-host Released
SUSE Manager Retail Branch Server 4.2 libu2f-host Released
SUSE Manager Server 4.0 libu2f-host Unsupported
SUSE Manager Server 4.1 libu2f-host Released
SUSE Manager Server 4.2 libu2f-host Released
SUSE OpenStack Cloud 9 libu2f-host Released
SUSE OpenStack Cloud 9 pam_u2f Affected
SUSE OpenStack Cloud Crowbar 9 libu2f-host Released
SUSE OpenStack Cloud Crowbar 9 pam_u2f Affected
openSUSE Leap 15.3 libu2f-host Affected
openSUSE Leap 15.4 libu2f-host Affected
Products at an unknown state of their lifecycle.
SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security libu2f-host Affected
SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security pam_u2f Affected

SUSE Timeline for this CVE

CVE page created: Fri Feb 8 12:01:45 2019
CVE page last modified: Wed Oct 30 17:14:05 2024