lkml.org 
[lkml]   [2010]   [Jan]   [12]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH 2/3] Security: Implement disablenetwork semantics. (v4)
> On Sun, 10 Jan 2010 22:58:48 +0100, Pavel Machek said:
>
> > Scenario 2:
> >
> > Mallory calls disablenetwork, calls sendmail as the first user after
> > boot; sendmail can't deliver anything (its network is disabled), but
> > starts forking and taking requests for other users, DoSing the mail
> > delivery.
>
> You need to be root to start sendmail as a daemon.

Well, maybe, but mailer system where first user starts is as a daemon
makes sense... same for authentication system, etc. And it was okay
before disablenetwork come.
Pavel

--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html


\
 
 \ /
  Last update: 2010-01-12 09:01    [W:0.437 / U:1.036 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site