CVE-2018-7544 SUSE CVE security@suse.de SUSE Security Team SUSE CVE-2018-7544 Interim 1 55 2025-11-05T03:33:28Z current 2021-05-30T14:11:27Z 2025-11-05T03:33:28Z cve-database/bin/generate-cvrf-cve.pl 2020-12-27T01:00:00Z CVE-2018-7544 A cross-protocol scripting issue was discovered in the management interface in OpenVPN through 2.4.5. When this interface is enabled over TCP without a password, and when no other clients are connected to this interface, attackers can execute arbitrary management commands, obtain sensitive information, or cause a denial of service (SIGTERM) by triggering XMLHttpRequest actions in a web browser. This is demonstrated by a multipart/form-data POST to http://localhost:23000 with a "signal SIGTERM" command in a TEXTAREA element. NOTE: The vendor disputes that this is a vulnerability. They state that this is the result of improper configuration of the OpenVPN instance rather than an intrinsic vulnerability, and now more explicitly warn against such configurations in both the management-interface documentation, and with a runtime warning 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/008765.html E-Mail link for SUSE-SU-2021:14723-1 https://lists.suse.com/pipermail/sle-security-updates/2021-May/008761.html E-Mail link for SUSE-SU-2021:1576-1 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 HPE Helion OpenStack 8 SUSE CaaS Platform 4.0 SUSE Linux Enterprise Module for Basesystem 15 SP2 SUSE Linux Enterprise Module for Basesystem 15 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 Module for Basesystem 15 SP6 SUSE Linux Enterprise Module for Basesystem 15 SP7 SUSE Linux Enterprise High Performance Computing 15 SP1-LTSS 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 Module for Basesystem 15 SP6 SUSE Linux Enterprise Module for Basesystem 15 SP7 SUSE Linux Enterprise Real Time 15 SP4 SUSE Linux Enterprise Server 11 SP3 for Teradata SUSE Linux Enterprise Server 11 SP3-TERADATA SUSE Linux Enterprise Server 11-SECURITY SUSE Linux Enterprise Server 12 SP2 SUSE Linux Enterprise Server 12 SP2-BCL SUSE Linux Enterprise Server 12 SP3-TERADATA SUSE Linux Enterprise Server 12 SP4-ESPOS SUSE Linux Enterprise Server 12 SP4-LTSS SUSE Linux Enterprise Server 12 SP5 SUSE Linux Enterprise Server 15 SP1-LTSS 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 Module for Basesystem 15 SP6 SUSE Linux Enterprise Module for Basesystem 15 SP7 SUSE Linux Enterprise Server 16.0 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 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 SP6 SUSE Linux Enterprise Module for Basesystem 15 SP7 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 Manager Proxy 4.3 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 Manager Retail Branch Server 4.3 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 Manager Server 4.3 SUSE OpenStack Cloud 8 SUSE OpenStack Cloud 9 SUSE OpenStack Cloud Crowbar 8 SUSE OpenStack Cloud Crowbar 9 openSUSE Leap 15.2 openSUSE Leap 15.3 openSUSE Leap 15.4 openSUSE Tumbleweed openvpn openvpn-2.3.8-16.26.1 openvpn-2.4.3-5.7.1 openvpn-2.4.3-lp152.6.3.1 openvpn-2.5.4-2.1 openvpn-2.5.5-150400.1.5 openvpn-2.5.6-150400.3.6.1 openvpn-2.6.10-160000.2.2 openvpn-2.6.8-150600.1.5 openvpn-2.6.8-150600.3.14.1 openvpn-auth-pam-plugin openvpn-auth-pam-plugin-2.3.8-16.26.1 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-2.5.4-2.1 openvpn-auth-pam-plugin-2.5.5-150400.1.5 openvpn-auth-pam-plugin-2.5.6-150400.3.6.1 openvpn-auth-pam-plugin-2.6.10-160000.2.2 openvpn-auth-pam-plugin-2.6.8-150600.1.5 openvpn-auth-pam-plugin-2.6.8-150600.3.14.1 openvpn-dco-2.6.8-150600.3.14.1 openvpn-dco-devel-2.6.8-150600.3.14.1 openvpn-devel openvpn-devel-2.4.3-5.7.1 openvpn-devel-2.4.3-lp152.6.3.1 openvpn-devel-2.5.4-2.1 openvpn-devel-2.5.5-150400.1.5 openvpn-devel-2.5.6-150400.3.6.1 openvpn-devel-2.6.10-160000.2.2 openvpn-devel-2.6.8-150600.1.5 openvpn-devel-2.6.8-150600.3.14.1 openvpn-down-root-plugin-2.4.3-lp152.6.3.1 openvpn-down-root-plugin-2.5.4-2.1 openvpn-down-root-plugin-2.6.10-160000.2.2 openvpn-openssl1-2.3.2-0.10.9.1 openvpn-openssl1-down-root-plugin-2.3.2-0.10.9.1 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-2.6.8-150600.1.5 as a component of SUSE Linux Enterprise Module for Basesystem 15 SP6 openvpn-auth-pam-plugin-2.6.8-150600.1.5 as a component of SUSE Linux Enterprise Module for Basesystem 15 SP6 openvpn-devel-2.6.8-150600.1.5 as a component of SUSE Linux Enterprise Module for Basesystem 15 SP6 openvpn-2.6.8-150600.3.14.1 as a component of SUSE Linux Enterprise Module for Basesystem 15 SP7 openvpn-auth-pam-plugin-2.6.8-150600.3.14.1 as a component of SUSE Linux Enterprise Module for Basesystem 15 SP7 openvpn-dco-2.6.8-150600.3.14.1 as a component of SUSE Linux Enterprise Module for Basesystem 15 SP7 openvpn-dco-devel-2.6.8-150600.3.14.1 as a component of SUSE Linux Enterprise Module for Basesystem 15 SP7 openvpn-devel-2.6.8-150600.3.14.1 as a component of SUSE Linux Enterprise Module for Basesystem 15 SP7 openvpn-openssl1-2.3.2-0.10.9.1 as a component of SUSE Linux Enterprise Server 11 SP3-TERADATA openvpn-openssl1-down-root-plugin-2.3.2-0.10.9.1 as a component of SUSE Linux Enterprise Server 11 SP3-TERADATA openvpn-openssl1-2.3.2-0.10.9.1 as a component of SUSE Linux Enterprise Server 11-SECURITY openvpn-openssl1-down-root-plugin-2.3.2-0.10.9.1 as a component of SUSE Linux Enterprise Server 11-SECURITY openvpn-2.3.8-16.26.1 as a component of SUSE Linux Enterprise Server 12 SP3-TERADATA openvpn-auth-pam-plugin-2.3.8-16.26.1 as a component of SUSE Linux Enterprise Server 12 SP3-TERADATA openvpn-2.3.8-16.26.1 as a component of SUSE Linux Enterprise Server 12 SP5 openvpn-auth-pam-plugin-2.3.8-16.26.1 as a component of SUSE Linux Enterprise Server 12 SP5 openvpn-2.6.10-160000.2.2 as a component of SUSE Linux Enterprise Server 16.0 openvpn-auth-pam-plugin-2.6.10-160000.2.2 as a component of SUSE Linux Enterprise Server 16.0 openvpn-devel-2.6.10-160000.2.2 as a component of SUSE Linux Enterprise Server 16.0 openvpn-down-root-plugin-2.6.10-160000.2.2 as a component of SUSE Linux Enterprise Server 16.0 openvpn-2.3.8-16.26.1 as a component of SUSE Linux Enterprise Server for SAP Applications 12 SP5 openvpn-auth-pam-plugin-2.3.8-16.26.1 as a component of SUSE Linux Enterprise Server for SAP Applications 12 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-2.5.4-2.1 as a component of openSUSE Tumbleweed openvpn-auth-pam-plugin-2.5.4-2.1 as a component of openSUSE Tumbleweed openvpn-devel-2.5.4-2.1 as a component of openSUSE Tumbleweed openvpn-down-root-plugin-2.5.4-2.1 as a component of openSUSE Tumbleweed openvpn as a component of HPE Helion OpenStack 8 openvpn-auth-pam-plugin as a component of HPE Helion OpenStack 8 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 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 Module for Basesystem 15 SP5 openvpn-auth-pam-plugin as a component of SUSE Linux Enterprise Module for Basesystem 15 SP5 openvpn-devel as a component of SUSE Linux Enterprise Module for Basesystem 15 SP5 openvpn as a component of SUSE Linux Enterprise Module for Basesystem 15 SP6 openvpn-auth-pam-plugin as a component of SUSE Linux Enterprise Module for Basesystem 15 SP6 openvpn-devel as a component of SUSE Linux Enterprise Module for Basesystem 15 SP6 openvpn as a component of SUSE Linux Enterprise Real Time 15 SP4 openvpn-auth-pam-plugin as a component of SUSE Linux Enterprise Real Time 15 SP4 openvpn-devel as a component of SUSE Linux Enterprise Real Time 15 SP4 openvpn as a component of SUSE Linux Enterprise Server 11 SP3 for Teradata openvpn as a component of SUSE Linux Enterprise Server 12 SP2 openvpn-auth-pam-plugin as a component of SUSE Linux Enterprise Server 12 SP2 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 SP4-ESPOS openvpn-auth-pam-plugin as a component of SUSE Linux Enterprise Server 12 SP4-ESPOS openvpn as a component of SUSE Linux Enterprise Server 12 SP4-LTSS openvpn-auth-pam-plugin as a component of SUSE Linux Enterprise Server 12 SP4-LTSS 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 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 Manager Proxy 4.3 openvpn-auth-pam-plugin as a component of SUSE Manager Proxy 4.3 openvpn-devel as a component of SUSE Manager Proxy 4.3 openvpn as a component of SUSE Manager Retail Branch Server 4.3 openvpn-auth-pam-plugin as a component of SUSE Manager Retail Branch Server 4.3 openvpn-devel as a component of SUSE Manager Retail Branch Server 4.3 openvpn as a component of SUSE Manager Server 4.3 openvpn-auth-pam-plugin as a component of SUSE Manager Server 4.3 openvpn-devel as a component of SUSE Manager Server 4.3 openvpn as a component of SUSE OpenStack Cloud 8 openvpn-auth-pam-plugin as a component of SUSE OpenStack Cloud 8 openvpn as a component of SUSE OpenStack Cloud 9 openvpn-auth-pam-plugin as a component of SUSE OpenStack Cloud 9 openvpn as a component of SUSE OpenStack Cloud Crowbar 8 openvpn-auth-pam-plugin as a component of SUSE OpenStack Cloud Crowbar 8 openvpn as a component of SUSE OpenStack Cloud Crowbar 9 openvpn-auth-pam-plugin as a component of SUSE OpenStack Cloud Crowbar 9 A cross-protocol scripting issue was discovered in the management interface in OpenVPN through 2.4.5. When this interface is enabled over TCP without a password, and when no other clients are connected to this interface, attackers can execute arbitrary management commands, obtain sensitive information, or cause a denial of service (SIGTERM) by triggering XMLHttpRequest actions in a web browser. This is demonstrated by a multipart/form-data POST to http://localhost:23000 with a "signal SIGTERM" command in a TEXTAREA element. NOTE: The vendor disputes that this is a vulnerability. They state that this is the result of improper configuration of the OpenVPN instance rather than an intrinsic vulnerability, and now more explicitly warn against such configurations in both the management-interface documentation, and with a runtime warning CVE-2018-7544 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 SUSE Linux Enterprise Module for Basesystem 15 SP6:openvpn-2.6.8-150600.1.5 SUSE Linux Enterprise Module for Basesystem 15 SP6:openvpn-auth-pam-plugin-2.6.8-150600.1.5 SUSE Linux Enterprise Module for Basesystem 15 SP6:openvpn-devel-2.6.8-150600.1.5 SUSE Linux Enterprise Module for Basesystem 15 SP7:openvpn-2.6.8-150600.3.14.1 SUSE Linux Enterprise Module for Basesystem 15 SP7:openvpn-auth-pam-plugin-2.6.8-150600.3.14.1 SUSE Linux Enterprise Module for Basesystem 15 SP7:openvpn-dco-2.6.8-150600.3.14.1 SUSE Linux Enterprise Module for Basesystem 15 SP7:openvpn-dco-devel-2.6.8-150600.3.14.1 SUSE Linux Enterprise Module for Basesystem 15 SP7:openvpn-devel-2.6.8-150600.3.14.1 SUSE Linux Enterprise Server 11 SP3-TERADATA:openvpn-openssl1-2.3.2-0.10.9.1 SUSE Linux Enterprise Server 11 SP3-TERADATA:openvpn-openssl1-down-root-plugin-2.3.2-0.10.9.1 SUSE Linux Enterprise Server 11-SECURITY:openvpn-openssl1-2.3.2-0.10.9.1 SUSE Linux Enterprise Server 11-SECURITY:openvpn-openssl1-down-root-plugin-2.3.2-0.10.9.1 SUSE Linux Enterprise Server 12 SP3-TERADATA:openvpn-2.3.8-16.26.1 SUSE Linux Enterprise Server 12 SP3-TERADATA:openvpn-auth-pam-plugin-2.3.8-16.26.1 SUSE Linux Enterprise Server 12 SP5:openvpn-2.3.8-16.26.1 SUSE Linux Enterprise Server 12 SP5:openvpn-auth-pam-plugin-2.3.8-16.26.1 SUSE Linux Enterprise Server 16.0:openvpn-2.6.10-160000.2.2 SUSE Linux Enterprise Server 16.0:openvpn-auth-pam-plugin-2.6.10-160000.2.2 SUSE Linux Enterprise Server 16.0:openvpn-devel-2.6.10-160000.2.2 SUSE Linux Enterprise Server 16.0:openvpn-down-root-plugin-2.6.10-160000.2.2 SUSE Linux Enterprise Server for SAP Applications 12 SP5:openvpn-2.3.8-16.26.1 SUSE Linux Enterprise Server for SAP Applications 12 SP5:openvpn-auth-pam-plugin-2.3.8-16.26.1 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-2.5.4-2.1 openSUSE Tumbleweed:openvpn-auth-pam-plugin-2.5.4-2.1 openSUSE Tumbleweed:openvpn-devel-2.5.4-2.1 openSUSE Tumbleweed:openvpn-down-root-plugin-2.5.4-2.1 SUSE Linux Enterprise Module for Basesystem 15 SP5:openvpn SUSE Linux Enterprise Module for Basesystem 15 SP5:openvpn-auth-pam-plugin SUSE Linux Enterprise Module for Basesystem 15 SP5:openvpn-devel SUSE Linux Enterprise Module for Basesystem 15 SP6:openvpn SUSE Linux Enterprise Module for Basesystem 15 SP6:openvpn-auth-pam-plugin SUSE Linux Enterprise Module for Basesystem 15 SP6:openvpn-devel SUSE Linux Enterprise Real Time 15 SP4:openvpn SUSE Linux Enterprise Real Time 15 SP4:openvpn-auth-pam-plugin SUSE Linux Enterprise Real Time 15 SP4:openvpn-devel SUSE Manager Proxy 4.3:openvpn SUSE Manager Proxy 4.3:openvpn-auth-pam-plugin SUSE Manager Proxy 4.3:openvpn-devel SUSE Manager Retail Branch Server 4.3:openvpn SUSE Manager Retail Branch Server 4.3:openvpn-auth-pam-plugin SUSE Manager Retail Branch Server 4.3:openvpn-devel SUSE Manager Server 4.3:openvpn SUSE Manager Server 4.3:openvpn-auth-pam-plugin SUSE Manager Server 4.3:openvpn-devel low 6.4 AV:N/AC:L/Au:N/C:P/I:N/A:P 5.3 CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H