The pidfile_write function in core/pidfile.c in keepalived 1.2.2 and
earlier uses 0666 permissions for the (1) keepalived.pid, (2)
checkers.pid, and (3) vrrp.pid files in /var/run/, which allows local
users to kill arbitrary processes by writing a PID to one of these
Note:References are provided for the convenience of the reader to help distinguish between vulnerabilities. The list is not intended to be complete.
MLIST:[debian-security] 20110510 Re: World writable pid and lock files.
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