Wmmon is a popular program for monitoring CPU load and other system utilization. It runs as a dockapp under WindowMaker. The FreeBSD version of this program has a feature that can be trivially exploited to gain group kmem in recent installs, or user root in really old installs. This affects the FreeBSD version because under FreeBSD the program must be installed setgid kmem or setuid root in order to access system load information through the memory devices. The Linux version should not be vulnerable because it reads information through procfs which requires no special privileges.
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