Slackware Linux - '/usr/bin/ppp-off' Insecure /tmp Call

!/bin/sh In SlackWare Linux the script /usr/bin/ppp-off writes the output of 'ps x' to /tmp/grep.tmp. Since root is the user that runs ppp-off, a non-privileged user could create a link from /tmp/grep.tmp to any fileie: /etc/issue, thus when root runs the ppp-off script, the output of 'ps x' woul...