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Re: /proc filesystem allows bypassing directory permissions on

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On Wed
From: Gabor Gombas <gombasg sztaki hu>
To: psz maths usyd edu au
Cc: mrex sap com, bugtraq securityfocus com, dan lightwave net ru, jim jtan com, marco osp nl, pavel ucw cz
Subject: Re: /proc filesystem allows bypassing directory permissions on
Date: Wed - Nov 04, 2009 12:25 AM


On Wed, Nov 04, 2009 at 10:17:13AM +1100, psz@maths.usyd.edu.au wrote:

> But, mount requires root (and root can do anything, including shooting
> himself in the foot).

Irrelevant. The statement was that if /proc is not mounted, then the
link count tells if there are other ways to access the inode besides the
path you have used to access it. I showed you that this statement is
false.

Gabor

-- 
But apart from the sanitation, the medicine, education, wine, public
order, irrigation, roads, the fresh-water system, and public health,
what have the Romans ever done for us?




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