From owner-freebsd-security@freebsd.org Mon May 25 20:29:02 2020 Return-Path: Delivered-To: freebsd-security@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id 77A4D2CA1CB for ; Mon, 25 May 2020 20:29:02 +0000 (UTC) (envelope-from carpeddiem@gmail.com) Received: from mail-io1-f44.google.com (mail-io1-f44.google.com [209.85.166.44]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (2048 bits) client-digest SHA256) (Client CN "smtp.gmail.com", Issuer "GTS CA 1O1" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 49W7wY52cvz4Xcq for ; Mon, 25 May 2020 20:29:01 +0000 (UTC) (envelope-from carpeddiem@gmail.com) Received: by mail-io1-f44.google.com with SMTP id f3so19797820ioj.1 for ; Mon, 25 May 2020 13:29:01 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=DLY0/sFu6WA4XbivZ+uBZ+r+zxJfWayGozKbHJwMcjE=; b=ZPZD7OJn7cB0zpUKdSHY7jJaQ0dxftPn2yK/JIjzYqha1CCCZ7LcTJgujDfqT+/F7D tH/zALp2n8+tUEcryizXA/FE9TIX7Jx1xZ0S9Pa7xvfAvuQSHCnuAvJwhVOJzAnuU8TK 984diGwriA5EmCi1jdnuEEetZbyGVzIUSURf9iTGaClhCWmefClmwmWRxzRzPy9a6fVW NbHEg2l2Tw5EcYqx/3zgrfOQWWP6GnNm6oS77g9ijx9xwTgpMqv30X0IBQjnUbjNPhL4 9xEOPefE7/DPPO0VUP89LPMFmlsOLbPaKfdsCtVrIAK8ojbQS6L1lC0DVJmm77thG+sW Xpfw== X-Gm-Message-State: AOAM53358HEOvJOlvDzWzXc92GNve/xFOnNtLkFppX3L48ZFghzBx0fI ccoEy/ZBWRqZWmjUI67Bt1uOcckBzCvzPQZndG+b52Bt X-Google-Smtp-Source: ABdhPJyYgavx3iQIJx4a+A3NV44JqJG0iACzUebM/+CkMe5BqHIJSf4uM5bY+3z34mIakpvGPY8INnf2U2ciStl4aKE= X-Received: by 2002:a05:6638:dd3:: with SMTP id m19mr21423389jaj.106.1590438540734; Mon, 25 May 2020 13:29:00 -0700 (PDT) MIME-Version: 1.0 References: <1641188.rRC0nNcZtX@amos> <9242947.RX05g1dFuk@amos> In-Reply-To: <9242947.RX05g1dFuk@amos> From: Ed Maste Date: Mon, 25 May 2020 16:28:48 -0400 Message-ID: Subject: Re: Malicious root user sandboxing To: ihor@antonovs.family Cc: freebsd-security@freebsd.org Content-Type: text/plain; charset="UTF-8" X-Rspamd-Queue-Id: 49W7wY52cvz4Xcq X-Spamd-Bar: -- Authentication-Results: mx1.freebsd.org; dkim=none; dmarc=none; spf=pass (mx1.freebsd.org: domain of carpeddiem@gmail.com designates 209.85.166.44 as permitted sender) smtp.mailfrom=carpeddiem@gmail.com X-Spamd-Result: default: False [-2.67 / 15.00]; ARC_NA(0.00)[]; NEURAL_HAM_MEDIUM(-0.97)[-0.969]; RCVD_TLS_ALL(0.00)[]; FROM_HAS_DN(0.00)[]; R_SPF_ALLOW(-0.20)[+ip4:209.85.128.0/17:c]; NEURAL_HAM_LONG(-0.98)[-0.979]; MIME_GOOD(-0.10)[text/plain]; PREVIOUSLY_DELIVERED(0.00)[freebsd-security@freebsd.org]; TO_DN_NONE(0.00)[]; DMARC_NA(0.00)[freebsd.org]; TO_MATCH_ENVRCPT_SOME(0.00)[]; NEURAL_HAM_SHORT(-0.72)[-0.717]; RCPT_COUNT_TWO(0.00)[2]; RCVD_IN_DNSWL_NONE(0.00)[209.85.166.44:from]; FORGED_SENDER(0.30)[emaste@freebsd.org,carpeddiem@gmail.com]; RWL_MAILSPIKE_POSSIBLE(0.00)[209.85.166.44:from]; R_DKIM_NA(0.00)[]; MIME_TRACE(0.00)[0:+]; ASN(0.00)[asn:15169, ipnet:209.85.128.0/17, country:US]; FROM_NEQ_ENVFROM(0.00)[emaste@freebsd.org,carpeddiem@gmail.com]; FREEMAIL_ENVFROM(0.00)[gmail.com]; RCVD_COUNT_TWO(0.00)[2] X-BeenThere: freebsd-security@freebsd.org X-Mailman-Version: 2.1.33 Precedence: list List-Id: "Security issues \[members-only posting\]" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 25 May 2020 20:29:02 -0000 On Mon, 25 May 2020 at 14:00, Ihor Antonov wrote: > > I was looking at Capsicumizer and it looks very interesting. > The only reason I was hesitant is that this is an external application, not a > FreeBSD core. Is it going to be included in FreeBSD in some distant future? There are no explicit plans at this point and right now I would describe it as a solid proof of concept - it works well, but only a limited amount of functionality is supported by libpreopen. That said, I would be very happy to see it developed further and become a component of FreeBSD.