Date: Sat, 8 Sep 2001 19:07:00 -0700 From: Kris Kennaway <kris@obsecurity.org> To: "Andrey A. Chernov" <ache@nagual.pp.ru> Cc: Kris Kennaway <kris@obsecurity.org>, "Todd C. Miller" <Todd.Miller@courtesan.com>, Matt Dillon <dillon@earth.backplane.com>, Jordan Hubbard <jkh@FreeBSD.ORG>, security@FreeBSD.ORG, audit@FreeBSD.ORG Subject: Re: Fwd: Multiple vendor 'Taylor UUCP' problems. Message-ID: <20010908190700.A5881@xor.obsecurity.org> In-Reply-To: <20010909055903.A34519@nagual.pp.ru>; from ache@nagual.pp.ru on Sun, Sep 09, 2001 at 05:59:03AM %2B0400 References: <5.1.0.14.0.20010908153417.0286b4b8@192.168.0.12> <200109082103.f88L3fK29117@earth.backplane.com> <20010908154617.A73143@xor.obsecurity.org> <20010908170257.A82082@xor.obsecurity.org> <20010908174304.A88816@xor.obsecurity.org> <20010909045226.A33654@nagual.pp.ru> <20010908180848.A94567@xor.obsecurity.org> <200109090120.f891KvM14677@xerxes.courtesan.com> <20010908185415.A5619@xor.obsecurity.org> <20010909055903.A34519@nagual.pp.ru>
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--gKMricLos+KVdGMg Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Sun, Sep 09, 2001 at 05:59:03AM +0400, Andrey A. Chernov wrote: > On Sat, Sep 08, 2001 at 18:54:15 -0700, Kris Kennaway wrote: > >=20 > > Yeah, thats probably a good change to make. However the uucp > > vulnerability still lets e.g. arbitrary users read/modify uucp spool > > data, create files, access the uucp:dialer devices, etc. >=20 > All you mention is historical old-days uucp subsystem bad 'features', it > is not fool proff and require ethic behaviour of its users. To eliminate > this things main uucp developers must be contacted, because this things > hardly integrated in normal usage flow and can't be deattached easily. >=20 > I.e. it is not FreeBSD security problem but uucp problem (as designed). > All we need is to protect uucp binaries from modifications (via schg). Hmm. These flaws in the UUCP suite need to be documented, then. I'm also very uneasy at having a local root exploited foiled only by the setting of UFS file flags (mostly because of the NFS-mounted /usr case). I think it's finally time to make UUCP into a port: I'll work on that later tonight. Kris --gKMricLos+KVdGMg Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.0.6 (FreeBSD) Comment: For info see http://www.gnupg.org iD8DBQE7ms7EWry0BWjoQKURAuC3AJ4pcRUxdoH5eLUPbjARvB8kaTJr+wCg1gnG fbpUR2H4kCFObrb4Am7Nb/M= =i5+C -----END PGP SIGNATURE----- --gKMricLos+KVdGMg-- To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-audit" in the body of the message
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