Date: Wed, 27 Jul 2016 19:05:38 +0200 From: Christian Rebischke <Chris.Rebischke@...hlinux.org> To: oss-security@...ts.openwall.com Subject: Re: Re: cve request: systemd-machined: information exposure for docker containers On Tue, Jul 26, 2016 at 03:24:13PM -0400, cve-assign@...re.org wrote: > -----BEGIN PGP SIGNED MESSAGE----- > Hash: SHA256 > > > Once docker containers register themselves to systemd-machined > > by oci-register-machine. Any unprivileged user could run > > machinectl to list every single containers running in the host > > even if the containers do not belong to this user (including containers > > belong to the root user), and access sensitive information associated > > with any individual container including its internal IP address, OS > > version, running processes, and file path for its rootfs. > > > > $ machinectl status cc8d10c7b9892b75843d200d54d34a3a > > cc8d10c7b9892b75843d200d54d34a3a(63633864313063376239383932623735) > > Since: Mon 2016-07-25 17:55:36 UTC; 34s ago > > Leader: 43494 (sleep) > > Service: docker; class container > > Root: /var/mnt/overlay/overlay/0429684e3da515ae4f11b8514c7b20f759613 > > Address: 172.17.0.2 > > fe80::42:acff:fe11:2 > > OS: Red Hat Enterprise Linux Server 7.2 (Maipo) > > Unit: docker-cc8d10c7b9892b75843d200d54d34a3a9435fe0f65527c254ebfd2d > > 43494 sleep 3000 > > Use CVE-2016-6349. Hello, I don't think that the bug for this problem lies in systemd. It's more a design mistake in docker or oci-register-machine. I have forwarded this issue to the systemd developer team and I don't think they will fix this in the future. In their opinion it's a bug in docker or oci-register-machine: https://github.com/systemd/systemd/issues/3815 by the way.. I would feel glad if the security researchers would first message the developers and then assign a CVE a bug. This is the normal way for a full disclosure. best regards, Christian Rebischke Download attachment "signature.asc" of type "application/pgp-signature" (820 bytes)
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