CVE-2020-11810 SUSE CVE security@suse.de SUSE Security Team SUSE CVE-2020-11810 Interim 1 47 2023-09-12T23:52:47Z current 2021-05-30T14:39:32Z 2023-09-12T23:52:47Z cve-database/bin/generate-cvrf-cve.pl 2020-12-27T01:00:00Z CVE-2020-11810 An issue was discovered in OpenVPN 2.4.x before 2.4.9. An attacker can inject a data channel v2 (P_DATA_V2) packet using a victim's peer-id. Normally such packets are dropped, but if this packet arrives before the data channel crypto parameters have been initialized, the victim's connection will be dropped. This requires careful timing due to the small time window (usually within a few seconds) between the victim client connection starting and the server PUSH_REPLY response back to the client. This attack will only work if Negotiable Cipher Parameters (NCP) is in use. The CVRF data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0). https://lists.suse.com/pipermail/sle-security-updates/2021-May/008762.html E-Mail link for SUSE-SU-2021:1577-1 https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/C5VK3H4AGK4ZRCLIB2D3IB7SS5RI4AZK/ E-Mail link for openSUSE-SU-2021:0734-1 https://www.suse.com/support/security/rating/ SUSE Security Ratings SUSE CaaS Platform 4.0 SUSE Enterprise Storage 6 SUSE Enterprise Storage 7 SUSE Linux Enterprise Module for Basesystem 15 SP2 SUSE Linux Enterprise Module for Basesystem 15 SP3 SUSE Linux Enterprise Desktop 12 SP2 SUSE Linux Enterprise Desktop 12 SP3 SUSE Linux Enterprise Module for Basesystem 15 SP2 SUSE Linux Enterprise Module for Basesystem 15 SP3 SUSE Linux Enterprise Module for Basesystem 15 SP4 SUSE Linux Enterprise Module for Basesystem 15 SP5 SUSE Linux Enterprise High Performance Computing 12 SP4 SUSE Linux Enterprise High Performance Computing 12 SP5 SUSE Linux Enterprise High Performance Computing 15 SP1-LTSS SUSE Linux Enterprise Module for Basesystem 15 SP2 SUSE Linux Enterprise High Performance Computing 15 SP2-LTSS SUSE Linux Enterprise Module for Basesystem 15 SP3 SUSE Linux Enterprise Module for Basesystem 15 SP4 SUSE Linux Enterprise Module for Basesystem 15 SP5 SUSE Linux Enterprise Server 11 SP1 for Teradata SUSE Linux Enterprise Server 11 SP3 for Teradata SUSE Linux Enterprise Server 11 SP4 LTSS SUSE Linux Enterprise Server 12 SP1-LTSS SUSE Linux Enterprise Server 12 SP2-BCL SUSE Linux Enterprise Server 12 SP2-LTSS SUSE Linux Enterprise Server 12 SP3-BCL SUSE Linux Enterprise Server 12 SP3-LTSS SUSE Linux Enterprise Server 12 SP4 SUSE Linux Enterprise Server 12 SP5 SUSE Linux Enterprise Server 15 SP1-LTSS SUSE Linux Enterprise Module for Basesystem 15 SP2 SUSE Linux Enterprise Server 15 SP2-LTSS SUSE Linux Enterprise Module for Basesystem 15 SP3 SUSE Linux Enterprise Module for Basesystem 15 SP4 SUSE Linux Enterprise Module for Basesystem 15 SP5 SUSE Linux Enterprise Server Teradata 12 SP3 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 SUSE Linux Enterprise Server for SAP Applications 15 SP1 SUSE Linux Enterprise Module for Basesystem 15 SP2 SUSE Linux Enterprise Server for SAP Applications 15 SP2 SUSE Linux Enterprise Module for Basesystem 15 SP3 SUSE Linux Enterprise Module for Basesystem 15 SP4 SUSE Linux Enterprise Module for Basesystem 15 SP5 SUSE Linux Enterprise Module for Basesystem 15 SP2 SUSE Linux Enterprise Module for Basesystem 15 SP3 SUSE Linux Enterprise Module for Basesystem 15 SP4 SUSE Linux Enterprise Module for Basesystem 15 SP2 SUSE Linux Enterprise Module for Basesystem 15 SP3 SUSE Linux Enterprise Module for Basesystem 15 SP4 SUSE Linux Enterprise Module for Basesystem 15 SP2 SUSE Linux Enterprise Module for Basesystem 15 SP3 SUSE Linux Enterprise Module for Basesystem 15 SP4 openSUSE Leap 15.2 openSUSE Leap 15.3 openSUSE Leap 15.4 openSUSE Tumbleweed openvpn openvpn-2.4.3-5.7.1 openvpn-2.4.3-lp152.6.3.1 openvpn-2.5.3-1.2 openvpn-2.5.5-150400.1.5 openvpn-2.5.6-150400.3.6.1 openvpn-auth-pam-plugin openvpn-auth-pam-plugin-2.4.3-5.7.1 openvpn-auth-pam-plugin-2.4.3-lp152.6.3.1 openvpn-auth-pam-plugin-2.5.3-1.2 openvpn-auth-pam-plugin-2.5.5-150400.1.5 openvpn-auth-pam-plugin-2.5.6-150400.3.6.1 openvpn-devel openvpn-devel-2.4.3-5.7.1 openvpn-devel-2.4.3-lp152.6.3.1 openvpn-devel-2.5.3-1.2 openvpn-devel-2.5.5-150400.1.5 openvpn-devel-2.5.6-150400.3.6.1 openvpn-down-root-plugin-2.4.3-lp152.6.3.1 openvpn-down-root-plugin-2.5.3-1.2 openvpn-2.4.3-5.7.1 as a component of SUSE Linux Enterprise Module for Basesystem 15 SP2 openvpn-auth-pam-plugin-2.4.3-5.7.1 as a component of SUSE Linux Enterprise Module for Basesystem 15 SP2 openvpn-devel-2.4.3-5.7.1 as a component of SUSE Linux Enterprise Module for Basesystem 15 SP2 openvpn-2.4.3-5.7.1 as a component of SUSE Linux Enterprise Module for Basesystem 15 SP3 openvpn-auth-pam-plugin-2.4.3-5.7.1 as a component of SUSE Linux Enterprise Module for Basesystem 15 SP3 openvpn-devel-2.4.3-5.7.1 as a component of SUSE Linux Enterprise Module for Basesystem 15 SP3 openvpn-2.5.5-150400.1.5 as a component of SUSE Linux Enterprise Module for Basesystem 15 SP4 openvpn-auth-pam-plugin-2.5.5-150400.1.5 as a component of SUSE Linux Enterprise Module for Basesystem 15 SP4 openvpn-devel-2.5.5-150400.1.5 as a component of SUSE Linux Enterprise Module for Basesystem 15 SP4 openvpn-2.5.6-150400.3.6.1 as a component of SUSE Linux Enterprise Module for Basesystem 15 SP5 openvpn-auth-pam-plugin-2.5.6-150400.3.6.1 as a component of SUSE Linux Enterprise Module for Basesystem 15 SP5 openvpn-devel-2.5.6-150400.3.6.1 as a component of SUSE Linux Enterprise Module for Basesystem 15 SP5 openvpn-2.4.3-lp152.6.3.1 as a component of openSUSE Leap 15.2 openvpn-auth-pam-plugin-2.4.3-lp152.6.3.1 as a component of openSUSE Leap 15.2 openvpn-devel-2.4.3-lp152.6.3.1 as a component of openSUSE Leap 15.2 openvpn-down-root-plugin-2.4.3-lp152.6.3.1 as a component of openSUSE Leap 15.2 openvpn-2.4.3-5.7.1 as a component of openSUSE Leap 15.3 openvpn-2.5.5-150400.1.5 as a component of openSUSE Leap 15.4 openvpn-2.5.3-1.2 as a component of openSUSE Tumbleweed openvpn-auth-pam-plugin-2.5.3-1.2 as a component of openSUSE Tumbleweed openvpn-devel-2.5.3-1.2 as a component of openSUSE Tumbleweed openvpn-down-root-plugin-2.5.3-1.2 as a component of openSUSE Tumbleweed openvpn as a component of SUSE CaaS Platform 4.0 openvpn-auth-pam-plugin as a component of SUSE CaaS Platform 4.0 openvpn-devel as a component of SUSE CaaS Platform 4.0 openvpn as a component of SUSE Enterprise Storage 6 openvpn as a component of SUSE Enterprise Storage 7 openvpn as a component of SUSE Linux Enterprise Desktop 12 SP2 openvpn as a component of SUSE Linux Enterprise Desktop 12 SP3 openvpn as a component of SUSE Linux Enterprise High Performance Computing 12 SP4 openvpn as a component of SUSE Linux Enterprise High Performance Computing 12 SP5 openvpn as a component of SUSE Linux Enterprise High Performance Computing 15 SP1-LTSS openvpn-auth-pam-plugin as a component of SUSE Linux Enterprise High Performance Computing 15 SP1-LTSS openvpn-devel as a component of SUSE Linux Enterprise High Performance Computing 15 SP1-LTSS openvpn as a component of SUSE Linux Enterprise High Performance Computing 15 SP2-LTSS openvpn-auth-pam-plugin as a component of SUSE Linux Enterprise High Performance Computing 15 SP2-LTSS openvpn-devel as a component of SUSE Linux Enterprise High Performance Computing 15 SP2-LTSS openvpn as a component of SUSE Linux Enterprise Server 11 SP1 for Teradata openvpn as a component of SUSE Linux Enterprise Server 11 SP3 for Teradata openvpn as a component of SUSE Linux Enterprise Server 11 SP4 LTSS openvpn as a component of SUSE Linux Enterprise Server 12 SP1-LTSS openvpn-auth-pam-plugin as a component of SUSE Linux Enterprise Server 12 SP1-LTSS openvpn as a component of SUSE Linux Enterprise Server 12 SP2-BCL openvpn-auth-pam-plugin as a component of SUSE Linux Enterprise Server 12 SP2-BCL openvpn as a component of SUSE Linux Enterprise Server 12 SP2-LTSS openvpn-auth-pam-plugin as a component of SUSE Linux Enterprise Server 12 SP2-LTSS openvpn as a component of SUSE Linux Enterprise Server 12 SP3-BCL openvpn-auth-pam-plugin as a component of SUSE Linux Enterprise Server 12 SP3-BCL openvpn as a component of SUSE Linux Enterprise Server 12 SP3-LTSS openvpn-auth-pam-plugin as a component of SUSE Linux Enterprise Server 12 SP3-LTSS openvpn as a component of SUSE Linux Enterprise Server 12 SP4 openvpn-auth-pam-plugin as a component of SUSE Linux Enterprise Server 12 SP4 openvpn as a component of SUSE Linux Enterprise Server 12 SP5 openvpn-auth-pam-plugin as a component of SUSE Linux Enterprise Server 12 SP5 openvpn as a component of SUSE Linux Enterprise Server 15 SP1-LTSS openvpn-auth-pam-plugin as a component of SUSE Linux Enterprise Server 15 SP1-LTSS openvpn-devel as a component of SUSE Linux Enterprise Server 15 SP1-LTSS openvpn as a component of SUSE Linux Enterprise Server 15 SP2-LTSS openvpn-auth-pam-plugin as a component of SUSE Linux Enterprise Server 15 SP2-LTSS openvpn-devel as a component of SUSE Linux Enterprise Server 15 SP2-LTSS openvpn as a component of SUSE Linux Enterprise Server Teradata 12 SP3 openvpn as a component of SUSE Linux Enterprise Server for SAP Applications 12 SP3 openvpn-auth-pam-plugin as a component of SUSE Linux Enterprise Server for SAP Applications 12 SP3 openvpn as a component of SUSE Linux Enterprise Server for SAP Applications 12 SP4 openvpn-auth-pam-plugin as a component of SUSE Linux Enterprise Server for SAP Applications 12 SP4 openvpn as a component of SUSE Linux Enterprise Server for SAP Applications 12 SP5 openvpn as a component of SUSE Linux Enterprise Server for SAP Applications 15 SP1 openvpn-auth-pam-plugin as a component of SUSE Linux Enterprise Server for SAP Applications 15 SP1 openvpn-devel as a component of SUSE Linux Enterprise Server for SAP Applications 15 SP1 openvpn as a component of SUSE Linux Enterprise Server for SAP Applications 15 SP2 openvpn-auth-pam-plugin as a component of SUSE Linux Enterprise Server for SAP Applications 15 SP2 openvpn-devel as a component of SUSE Linux Enterprise Server for SAP Applications 15 SP2 An issue was discovered in OpenVPN 2.4.x before 2.4.9. An attacker can inject a data channel v2 (P_DATA_V2) packet using a victim's peer-id. Normally such packets are dropped, but if this packet arrives before the data channel crypto parameters have been initialized, the victim's connection will be dropped. This requires careful timing due to the small time window (usually within a few seconds) between the victim client connection starting and the server PUSH_REPLY response back to the client. This attack will only work if Negotiable Cipher Parameters (NCP) is in use. CVE-2020-11810 SUSE Linux Enterprise Module for Basesystem 15 SP2:openvpn-2.4.3-5.7.1 SUSE Linux Enterprise Module for Basesystem 15 SP2:openvpn-auth-pam-plugin-2.4.3-5.7.1 SUSE Linux Enterprise Module for Basesystem 15 SP2:openvpn-devel-2.4.3-5.7.1 SUSE Linux Enterprise Module for Basesystem 15 SP3:openvpn-2.4.3-5.7.1 SUSE Linux Enterprise Module for Basesystem 15 SP3:openvpn-auth-pam-plugin-2.4.3-5.7.1 SUSE Linux Enterprise Module for Basesystem 15 SP3:openvpn-devel-2.4.3-5.7.1 SUSE Linux Enterprise Module for Basesystem 15 SP4:openvpn-2.5.5-150400.1.5 SUSE Linux Enterprise Module for Basesystem 15 SP4:openvpn-auth-pam-plugin-2.5.5-150400.1.5 SUSE Linux Enterprise Module for Basesystem 15 SP4:openvpn-devel-2.5.5-150400.1.5 SUSE Linux Enterprise Module for Basesystem 15 SP5:openvpn-2.5.6-150400.3.6.1 SUSE Linux Enterprise Module for Basesystem 15 SP5:openvpn-auth-pam-plugin-2.5.6-150400.3.6.1 SUSE Linux Enterprise Module for Basesystem 15 SP5:openvpn-devel-2.5.6-150400.3.6.1 openSUSE Leap 15.2:openvpn-2.4.3-lp152.6.3.1 openSUSE Leap 15.2:openvpn-auth-pam-plugin-2.4.3-lp152.6.3.1 openSUSE Leap 15.2:openvpn-devel-2.4.3-lp152.6.3.1 openSUSE Leap 15.2:openvpn-down-root-plugin-2.4.3-lp152.6.3.1 openSUSE Leap 15.3:openvpn-2.4.3-5.7.1 openSUSE Leap 15.4:openvpn-2.5.5-150400.1.5 openSUSE Tumbleweed:openvpn-2.5.3-1.2 openSUSE Tumbleweed:openvpn-auth-pam-plugin-2.5.3-1.2 openSUSE Tumbleweed:openvpn-devel-2.5.3-1.2 openSUSE Tumbleweed:openvpn-down-root-plugin-2.5.3-1.2 SUSE Linux Enterprise Desktop 12 SP2:openvpn SUSE Linux Enterprise Desktop 12 SP3:openvpn SUSE Linux Enterprise High Performance Computing 12 SP4:openvpn SUSE Linux Enterprise High Performance Computing 12 SP5:openvpn SUSE Linux Enterprise Server 11 SP1 for Teradata:openvpn SUSE Linux Enterprise Server 11 SP3 for Teradata:openvpn SUSE Linux Enterprise Server 11 SP4 LTSS:openvpn SUSE Linux Enterprise Server 12 SP1-LTSS:openvpn SUSE Linux Enterprise Server 12 SP1-LTSS:openvpn-auth-pam-plugin SUSE Linux Enterprise Server 12 SP2-BCL:openvpn SUSE Linux Enterprise Server 12 SP2-BCL:openvpn-auth-pam-plugin SUSE Linux Enterprise Server 12 SP2-LTSS:openvpn SUSE Linux Enterprise Server 12 SP2-LTSS:openvpn-auth-pam-plugin SUSE Linux Enterprise Server 12 SP3-BCL:openvpn SUSE Linux Enterprise Server 12 SP3-BCL:openvpn-auth-pam-plugin SUSE Linux Enterprise Server 12 SP3-LTSS:openvpn SUSE Linux Enterprise Server 12 SP3-LTSS:openvpn-auth-pam-plugin SUSE Linux Enterprise Server 12 SP4:openvpn SUSE Linux Enterprise Server 12 SP4:openvpn-auth-pam-plugin SUSE Linux Enterprise Server 12 SP5:openvpn SUSE Linux Enterprise Server 12 SP5:openvpn-auth-pam-plugin SUSE Linux Enterprise Server Teradata 12 SP3:openvpn SUSE Linux Enterprise Server for SAP Applications 12 SP3:openvpn SUSE Linux Enterprise Server for SAP Applications 12 SP3:openvpn-auth-pam-plugin SUSE Linux Enterprise Server for SAP Applications 12 SP4:openvpn SUSE Linux Enterprise Server for SAP Applications 12 SP4:openvpn-auth-pam-plugin SUSE Linux Enterprise Server for SAP Applications 12 SP5:openvpn SUSE CaaS Platform 4.0:openvpn SUSE CaaS Platform 4.0:openvpn-auth-pam-plugin SUSE CaaS Platform 4.0:openvpn-devel SUSE Enterprise Storage 6:openvpn SUSE Enterprise Storage 7:openvpn SUSE Linux Enterprise High Performance Computing 15 SP1-LTSS:openvpn SUSE Linux Enterprise High Performance Computing 15 SP1-LTSS:openvpn-auth-pam-plugin SUSE Linux Enterprise High Performance Computing 15 SP1-LTSS:openvpn-devel SUSE Linux Enterprise High Performance Computing 15 SP2-LTSS:openvpn SUSE Linux Enterprise High Performance Computing 15 SP2-LTSS:openvpn-auth-pam-plugin SUSE Linux Enterprise High Performance Computing 15 SP2-LTSS:openvpn-devel SUSE Linux Enterprise Server 15 SP1-LTSS:openvpn SUSE Linux Enterprise Server 15 SP1-LTSS:openvpn-auth-pam-plugin SUSE Linux Enterprise Server 15 SP1-LTSS:openvpn-devel SUSE Linux Enterprise Server 15 SP2-LTSS:openvpn SUSE Linux Enterprise Server 15 SP2-LTSS:openvpn-auth-pam-plugin SUSE Linux Enterprise Server 15 SP2-LTSS:openvpn-devel SUSE Linux Enterprise Server for SAP Applications 15 SP1:openvpn SUSE Linux Enterprise Server for SAP Applications 15 SP1:openvpn-auth-pam-plugin SUSE Linux Enterprise Server for SAP Applications 15 SP1:openvpn-devel SUSE Linux Enterprise Server for SAP Applications 15 SP2:openvpn SUSE Linux Enterprise Server for SAP Applications 15 SP2:openvpn-auth-pam-plugin SUSE Linux Enterprise Server for SAP Applications 15 SP2:openvpn-devel low 4.3 AV:N/AC:M/Au:N/C:N/I:N/A:P 3.7 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L