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Re: /proc filesystem allows bypassing directory permissions on Linux
| From: |
Matthew Dempsky <matthew dempsky org> |
| To: |
Tony Finch <dot dotat at> |
| Cc: |
pavel ucw cz, bugtraq securityfocus com |
| Subject: |
Re: /proc filesystem allows bypassing directory permissions on Linux |
| Date: |
Tue - Oct 27, 2009 09:41 AM |
On Tue, Oct 27, 2009 at 4:29 AM, Tony Finch <dot@dotat.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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