Siemens SIMATIC S7-1500 Improper Check for Dropped Privileges (CVE-2019-18276)

An issue was discovered in disableprivmode in shell.c in GNU Bash through 5.0 patch 11. By default, if Bash is run with its effective UID not equal to its real UID, it will drop privileges by setting its effective UID to its real UID. However, it does so incorrectly. On Linux and other systems th...