From: viro@parcelfarce.linux.theplanet.co.uk
To: "Lisa R. Nelson" <lisanels@cableone.net>
Cc: linux-kernel mailing list <linux-kernel@vger.kernel.org>
Subject: Re: File Permissions are incorrect. Security flaw in Linux
Date: Wed, 1 Oct 2003 14:23:18 +0100 [thread overview]
Message-ID: <20031001132318.GS7665@parcelfarce.linux.theplanet.co.uk> (raw)
In-Reply-To: <1065012013.4078.2.camel@lisaserver>
On Wed, Oct 01, 2003 at 06:40:13AM -0600, Lisa R. Nelson wrote:
> [1.] One line summary of the problem:
> A low level user can delete a file owned by root and belonging to group
> root even if the files permissions are 744. This is not in agreement
> with Unix, and is a major security issue.
No, it's your well-earned F for Unix 101. You should focus on Unix permissions
model in general and sticky bit in particular when you take the course again.
Have a nice semester.
next prev parent reply other threads:[~2003-10-01 13:23 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-10-01 12:40 File Permissions are incorrect. Security flaw in Linux Lisa R. Nelson
2003-10-01 13:08 ` Måns Rullgård
2003-10-01 13:08 ` Mathieu Chouquet-Stringer
2003-10-01 13:23 ` viro [this message]
[not found] ` <1065017722.2995.10.camel@localhost.localdomain>
2003-10-01 15:40 ` viro
2003-10-01 19:27 ` DervishD
2003-10-01 13:53 ` Jurjen Oskam
2003-10-01 14:09 ` Richard B. Johnson
2003-10-01 14:22 ` Andreas Schwab
2003-10-01 15:01 ` John Bradford
2003-10-01 13:58 ` Felipe Alfaro Solana
2003-10-01 14:21 ` DervishD
[not found] ` <1065044031.2158.23.camel@wynken.reefedge.com>
2003-10-01 14:37 ` Lisa R. Nelson
2003-10-01 15:11 ` Bas Mevissen
2003-10-01 15:12 ` Randy.Dunlap
2003-10-01 16:08 ` Richard B. Johnson
2003-10-01 19:21 ` DervishD
2003-10-01 20:30 ` viro
2003-10-01 17:23 ` Brett
2003-10-01 19:24 ` DervishD
2003-10-02 10:32 ` Christian
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20031001132318.GS7665@parcelfarce.linux.theplanet.co.uk \
--to=viro@parcelfarce.linux.theplanet.co.uk \
--cc=linux-kernel@vger.kernel.org \
--cc=lisanels@cableone.net \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox