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From: dirk at pirschel.de (Dirk Pirschel)
Subject: Security hole in Confixx backup script

Hi,

* Dirk Pirschel wrote on Tue, 27 Jul 2004 at 01:57 +0200:
 
> It is possible to retrieve *any* directory by replacing $HOME/files or
> $HOME/html with a symlink.

Even worse: A user might use the restore funktion to change the
ownership of target files to his own.  Under special circumstances, it
is even possible to change the owner of /etc/{passwd,shadow} and then
gain root access!

> > If you are using confixx, you should disable the backup script.

According to Christian Boltz <christian (dot) boltz (at) nexgo (dot) de>,
this can be done by replacing or removing
$confixx_docroot/user/tools_backup*.php

You should also disable the restore script
$confixx_docroot/user/tools_restore*.php.

-Dirk

-- 
Trouble with Windows? Reboot!  Trouble with Linux? Be root!
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