Radix cross Linux

/* begin *

   shadow-4.8.1-short-hostname.patch - login: display short hostname

   shadow-4.8.1-CVE-2005-4890.patch:
   ================================
     From 0f6a809b7c4c9a8f4adb5b25808dd68000e17aa2 Mon Sep 17 00:00:00 2001
     From: mancha <mancha1@hush.com>
     Date: Wed, 04 Dec 2013
     Subject: restrict "su -c" only when callee is not root

     Shadow 4.1.5 addressed a tty-hijacking vulnerability in "su -c"
     (CVE-2005-4890) by detaching the controlling terminal in the non-PAM
     case via a TIOCNOTTY request.

     Bi-directional protection is excessive and breaks a commonly-used
     methods for privilege escalation on non-PAM systems (e.g. xterm -e 
     /bin/su -s /bin/bash -c /bin/bash myscript).

     This patch relaxes the restriction and only detaches the controlling
     tty when the callee is not root (which is, after all, the threat vector).

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