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From: Neil Bothwick <neil@digimed.co.uk>
To: gentoo-user@lists.gentoo.org
Subject: Re: [gentoo-user] Update to /etc/sudoers disables wheel users!!!
Date: Wed, 26 Oct 2022 19:22:03 +0100	[thread overview]
Message-ID: <20221026192203.4721a707@digimed.co.uk> (raw)
In-Reply-To: <AM6PR10MB244072B23AC2FA84B29C14D3EF309@AM6PR10MB2440.EURPRD10.PROD.OUTLOOK.COM>

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On Wed, 26 Oct 2022 20:04:10 +0200, Ramon Fischer wrote:

> Also a very interesting question!
> 
> I just tested this with "visudo" and it does not intercept this.
> 
> If "su" is disabled, you are locked out and you are forced to enter
> your system via a live USB stick and a "chroot" in order to edit 
> "/etc/shadow" to set a root password via "mkpasswd" and enable "su". 
> Nice. :D

You need to be root to write to /etc/sudoers.d. If someone has that
access, you are already doomed!

> 
> -Ramon
> 
> On 26/10/2022 18:52, Grant Taylor wrote:
> > What if someone were to put the following into
> > /etc/sudoers.d/zzzzzzzzzz
> >
> >    ALL ALL=(ALL) !ALL
> >
> > }:-)  




-- 
Neil Bothwick

I thought I saw the light at the end of the tunnel...
but it was just some sod with a torch bringing me more work!

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  reply	other threads:[~2022-10-26 18:22 UTC|newest]

Thread overview: 47+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-10-26  2:34 [gentoo-user] Update to /etc/sudoers disables wheel users!!! Walter Dnes
2022-10-26  3:04 ` Ramon Fischer
2022-10-26  3:15   ` Grant Taylor
2022-10-26  3:34     ` Ramon Fischer
2022-10-26  3:40       ` Ramon Fischer
2022-10-26  3:44     ` Matt Connell
2022-10-26 16:21       ` Grant Taylor
2022-10-26 17:15         ` Neil Bothwick
2022-10-26 17:31           ` Rich Freeman
2022-10-26 20:17             ` Dale
2022-10-26 21:26               ` [gentoo-user] " Grant Edwards
2022-10-26 22:44                 ` Dale
2022-10-27  1:23                   ` Ramon Fischer
2022-10-27  3:01                     ` Dale
2022-10-27  7:55                       ` Ramon Fischer
2022-10-27  7:59                         ` Ramon Fischer
2022-10-26 23:55                 ` Rich Freeman
2022-10-26  6:31   ` [gentoo-user] " Walter Dnes
2022-10-26  7:42     ` Ramon Fischer
2022-10-26 11:31       ` Rich Freeman
2022-10-26 14:41         ` Ramon Fischer
2022-10-26 16:52       ` Grant Taylor
2022-10-26 17:12         ` [gentoo-user] " Grant Edwards
2022-10-26 17:54           ` Ramon Fischer
2022-10-26 18:04         ` [gentoo-user] " Ramon Fischer
2022-10-26 18:22           ` Neil Bothwick [this message]
2022-10-26 19:28             ` Grant Taylor
2022-10-26 20:08               ` Neil Bothwick
2022-10-26 20:17                 ` Grant Taylor
2022-10-26 21:13                   ` Neil Bothwick
2022-10-26 21:29                     ` Grant Taylor
2022-10-26 21:48               ` Ramon Fischer
2022-10-26 23:06                 ` Grant Taylor
2022-10-27  1:27                   ` Ramon Fischer
2022-10-27  1:47                     ` Grant Taylor
2022-10-27  7:53                       ` Ramon Fischer
2022-10-26 18:35           ` Jack
2022-10-26 18:38             ` Ramon Fischer
2022-10-26 20:06               ` Neil Bothwick
2022-10-26 21:27                 ` Ramon Fischer
2022-10-26 21:30                   ` Grant Taylor
2022-10-26 19:31             ` Grant Taylor
2022-10-26 19:26           ` Grant Taylor
2022-10-26 18:04         ` Ramon Fischer
2022-10-26 16:38     ` Grant Taylor
2022-10-26  3:12 ` Matt Connell
2022-10-26  4:00 ` Anna “CyberTailor”

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