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Re: smbd remote file creation vulnerability

daemon@ATHENA.MIT.EDU (Jarno Huuskonen)
Tue Jun 26 16:16:27 2001

Date: Tue, 26 Jun 2001 09:53:29 +0300
From: Jarno Huuskonen <Jarno.Huuskonen@uku.fi>
To: bugtraq@securityfocus.com
Cc: Pavol Luptak <wilder@hq.alert.sk>
Message-ID: <20010626095329.B74898@messi.uku.fi>
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In-Reply-To: <20010625190919.A13420@hq.alert.sk>; from wilder@hq.alert.sk on Mon, Jun 25, 2001 at 07:09:19PM +0200

On Mon, Jun 25, Pavol Luptak wrote:
> Linux kernels with openwall patch (with restricted links in /tmp) are
> imunne to this type of attack (following symlinks does not work, link
> owner does not match with file's owner).

The symlink restrictions work only in /tmp (mode 1777) directories, so
making the symlink in your own homedir still works (should work).

-Jarno

-- 
Jarno Huuskonen <Jarno.Huuskonen@removeme.uku.fi>

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