check.c in sudo 1.7.x before 1.7.4p5, when a Runas group is configured, does not require a password for command execution that involves a gid change but no uid change, which allows local users to bypass an intended authentication requirement via the -g option to a sudo command.
openSUSE 11.2 openSUSE 11.3 openSUSE 13.2 openSUSE Leap 15.0 openSUSE Leap 42.1 openSUSE Leap 42.2 openSUSE Leap 42.3 openSUSE Tumbleweed SUSE CaaS Platform 4.0 SUSE Enterprise Storage 6 SUSE Enterprise Storage 7 SUSE Linux Enterprise Desktop 12 SUSE Linux Enterprise Desktop 12 SP1 SUSE Linux Enterprise Desktop 12 SP2 SUSE Linux Enterprise Desktop 12 SP3 SUSE Linux Enterprise Desktop 12 SP4 SUSE Linux Enterprise Desktop 15 SUSE Linux Enterprise Desktop 15 SP1 SUSE Linux Enterprise High Performance Computing 12 SP5 SUSE Linux Enterprise High Performance Computing 15 SUSE Linux Enterprise High Performance Computing 15 SP1 SUSE Linux Enterprise Micro 5.0 SUSE Linux Enterprise Module for Basesystem 15 SUSE Linux Enterprise Module for Basesystem 15 SP1 SUSE Linux Enterprise Real Time 15 SP2 SUSE Linux Enterprise Server 12 SUSE Linux Enterprise Server 12 SP1 SUSE Linux Enterprise Server 12 SP2 SUSE Linux Enterprise Server 12 SP3 SUSE Linux Enterprise Server 12 SP4 SUSE Linux Enterprise Server 12 SP5 SUSE Linux Enterprise Server 15 SUSE Linux Enterprise Server 15 SP1 SUSE Linux Enterprise Server for Raspberry Pi 12 SP2 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 SUSE Linux Enterprise Server for SAP Applications 15 SP1 SUSE Linux Enterprise Server for SAP Applications 15 SP2 SUSE Linux Enterprise Software Development Kit 12 SUSE Linux Enterprise Software Development Kit 12 SP1 SUSE Linux Enterprise Software Development Kit 12 SP2 SUSE Linux Enterprise Software Development Kit 12 SP3 SUSE Linux Enterprise Software Development Kit 12 SP4 SUSE Linux Enterprise Software Development Kit 12 SP5 SUSE Linux Enterprise Storage 6 SUSE Manager Proxy 4.0 SUSE Manager Proxy 4.1 SUSE Manager Retail Branch Server 4.0 SUSE Manager Retail Branch Server 4.1 SUSE Manager Server 4.0 SUSE Manager Server 4.1 SUSE OpenStack Cloud 8 SUSE OpenStack Cloud 9 SUSE OpenStack Cloud Crowbar 8 SUSE OpenStack Cloud Crowbar 9