Bugtraq mailing list archives
Re: /proc filesystem allows bypassing directory permissions on Linux
From: Matthew Dempsky <matthew () dempsky org>
Date: Mon, 26 Oct 2009 15:48:22 -0700
On Mon, Oct 26, 2009 at 9:01 AM, Tony Finch <dot () dotat at> wrote:
Attacker uses openat() to open and modify the "private" file.
At least with Linux 2.6.18, you still need +x permission on the directory to access its contents using openat(2).
Current thread:
- Re: /proc filesystem allows bypassing directory permissions on Linux, (continued)
- Re: /proc filesystem allows bypassing directory permissions on Linux Anton Ivanov (Oct 26)
- Re: /proc filesystem allows bypassing directory permissions on Linux Dan Yefimov (Oct 26)
- Re: /proc filesystem allows bypassing directory permissions on Linux Anton Ivanov (Oct 26)
- Re: /proc filesystem allows bypassing directory permissions on Linux Pavel Machek (Oct 29)
- Re: /proc filesystem allows bypassing directory permissions on Linux Ivan Jager (Oct 28)
- Re: /proc filesystem allows bypassing directory permissions on Linux Klaus Lichtenwalder (Oct 26)
- Re: /proc filesystem allows bypassing directory permissions on Linux Pavel Kankovsky (Oct 26)
- Re: /proc filesystem allows bypassing directory permissions on Linux Matthew Dempsky (Oct 26)
- Re: /proc filesystem allows bypassing directory permissions on Linux Tony Finch (Oct 27)
- Re: /proc filesystem allows bypassing directory permissions on Linux Matthew Dempsky (Oct 28)
- Re: /proc filesystem allows bypassing directory permissions on Linux psz (Oct 28)
- Re: /proc filesystem allows bypassing directory permissions on Linux Glynn Clements (Oct 29)
- Re: /proc filesystem allows bypassing directory permissions on Linux Kinzel, David (Oct 26)
- Re: /proc filesystem allows bypassing directory permissions on Linux Dan Yefimov (Oct 26)