From: "Michael Potter" <pottmi@gmail.com>
To: "Reynolds, Brandon" <brandon.reynolds@lmco.com>
Cc: gdb@sourceware.org
Subject: Re: unable to attach to setuid program that as reverted it privilege
Date: Mon, 14 Apr 2008 16:32:00 -0000 [thread overview]
Message-ID: <2379dacc0804140642j6fc7e626r76db7ec5c3e4734@mail.gmail.com> (raw)
In-Reply-To: <7ADDA4869AFB444695CDD37859452D5773AED1@emss04m21.us.lmco.com>
On Mon, Apr 14, 2008 at 8:32 AM, Reynolds, Brandon
<brandon.reynolds@lmco.com> wrote:
>
>
> What did you mean by "_permanently_"?
>
I used setuid(non_root_user) while the effective user is root. This
sets real, effective, and saved userids so that there is no returning
to root.
I confirm that in my code by doing a setuid(root) and hoping that it fails.
--
Michael Potter
next prev parent reply other threads:[~2008-04-14 13:43 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-04-14 13:46 Reynolds, Brandon
2008-04-14 16:32 ` Michael Potter [this message]
2008-04-14 16:45 ` Tavis Ormandy
2008-04-15 1:02 ` Reynolds, Brandon
2008-04-15 1:24 ` Michael Potter
-- strict thread matches above, loose matches on Subject: below --
2008-01-22 20:00 Michael Potter
2008-01-22 20:09 ` Daniel Jacobowitz
2008-01-22 20:24 ` Michael Potter
2008-01-23 17:52 ` Mark Kettenis
2008-01-23 18:48 ` Michael Potter
2008-01-23 20:26 ` Michael Potter
2008-01-23 20:42 ` Andreas Schwab
2008-01-24 5:05 ` Michael Potter
2008-01-24 9:18 ` Andreas Schwab
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