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Re: NT Login Default Folder Vulnerability

daemon@ATHENA.MIT.EDU (Dimitry Andric)
Wed Jul 7 12:23:56 1999

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Date:         Wed, 7 Jul 1999 12:02:30 +0200
Reply-To: Dimitry Andric <dim@XS4ALL.NL>
From: Dimitry Andric <dim@XS4ALL.NL>
X-To:         Ben Greenbaum <beng@WWW.SECURITYFOCUS.COM>
To: BUGTRAQ@SECURITYFOCUS.COM
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On 06-07-99 at 11:56 Ben Greenbaum wrote:

>When a user logs into an NT machine, there are a few processes that
are
>started automatically, including explorer.exe. These programs are
normally
>in %winroot% or %winroot%\system32. The problem is that NT will look
for
>these programs first in the user's home directory.

This is ultimately caused by the fact that in MS-DOS, Windows and NT,
"." has always implicitly been the first entry in the PATH. And when
NT starts up an executable, the current directory is initially set to
the user's home directory...

Cheers,
/Dim
- --
Dimitry Andric <dim@xs4all.nl>
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