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Message-ID: <CAGXu5jK2m4qZ0Qmhr9zUFjCxNPza6bRsAaAxDaxM9oUi+b=99Q@mail.gmail.com>
Date: Thu, 16 Apr 2015 11:41:12 -0700
From: Kees Cook <keescook@...omium.org>
To: Florian Weimer <fweimer@...hat.com>
Cc: oss-security@...ts.openwall.com
Subject: Re: kernel: fs.suid_dumpable=2 privilege escalation
On Thu, Apr 16, 2015 at 5:42 AM, Florian Weimer <fweimer@...hat.com> wrote:
> Should this be treated as a security vulnerability?
>
> “fs: make dumpable=2 require fully qualified path”
> <http://lwn.net/Articles/503682/>
>
> Some widely-used cronie versions still do not have hardening and parse
> commands in core dumps.
I didn't seek a CVE for this at the time since it requires a pretty
specific combination of configurations. Namely: setting dumpable=2
without a dump handler, which I couldn't find any distro doing. I have
no objection, of course.
-Kees
--
Kees Cook
Chrome OS Security
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