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Message-ID: <d791b8790910270959r21666896qcfd8bd08446126fc@mail.gmail.com>
Date: Tue, 27 Oct 2009 09:59:41 -0700
From: Matthew Dempsky <matthew@...psky.org>
To: Tony Finch <dot@...at.at>
Cc: pavel@....cz, bugtraq@...urityfocus.com
Subject: Re: /proc filesystem allows bypassing directory permissions on Linux
On Tue, Oct 27, 2009 at 4:29 AM, Tony Finch <dot@...at.at> wrote:
> According to POSIX, if you open the directory with O_SEARCH then openat()
> does not re-check search (+x) permissions.
I stand corrected. (Though my test system doesn't appear to have O_SEARCH.)
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