Rootstealer is a program to detect when a linux user opens a terminal with root and it injects intrusive commands in the terminal with X11.
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Debian Linux Security Advisory 4134-1 - Bjorn Bosselmann discovered that the umount bash completion from util-linux does not properly handle embedded shell commands in a mountpoint name. An attacker with rights to mount filesystems can take advantage of this flaw for privilege escalation if a user (in particular root) is tricked into using the umount completion while a specially crafted mount is present.
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