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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