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Date: Wed, 8 Oct 2014 18:44:32 -0400 (EDT)
From: Josh Bressers <bressers@...hat.com>
To: oss-security@...ts.openwall.com
Subject: Re: openssh on linux rce in sftp-only mode
> >
> > I think one has to assume if a user has unrestricted sftp access, they can
> > figure out how to do most anything. Even with the upstream hardening patch,
> > it really only protects the sftpd process. Any other processes the user may
> > own could be modified.
>
> Not that easily - /proc/$pid/mem requires you to either be the same process
> or be attached to it via ptrace, I think.
>
I can't speak for other systems (I don't understand the details), but I can
read arbitrary process memory for processes I own in Fedora 20.
Does someone know what the typical default is?
Thanks.
--
JB
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