From owner-freebsd-security@FreeBSD.ORG Sun Oct 16 08:53:23 2005 Return-Path: X-Original-To: freebsd-security@freebsd.org Delivered-To: freebsd-security@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 7A6F116A41F for ; Sun, 16 Oct 2005 08:53:23 +0000 (GMT) (envelope-from jimmy@inet-solutions.be) Received: from adicia.telenet-ops.be (adicia.telenet-ops.be [195.130.132.56]) by mx1.FreeBSD.org (Postfix) with ESMTP id 918CA43D49 for ; Sun, 16 Oct 2005 08:53:22 +0000 (GMT) (envelope-from jimmy@inet-solutions.be) Received: from localhost (localhost.localdomain [127.0.0.1]) by adicia.telenet-ops.be (Postfix) with SMTP id 18BFF38165; Sun, 16 Oct 2005 10:53:21 +0200 (CEST) Received: from intranet.devbox.be (d54C304FE.access.telenet.be [84.195.4.254]) by adicia.telenet-ops.be (Postfix) with ESMTP id CCC0B38145; Sun, 16 Oct 2005 10:53:20 +0200 (CEST) Received: from intranet.devbox.be (localhost [127.0.0.1]) by intranet.devbox.be (8.13.3/8.13.3) with ESMTP id j9G8rKCi013160; Sun, 16 Oct 2005 10:53:20 +0200 (CEST) Received: (from jimmy@localhost) by intranet.devbox.be (8.13.3/8.13.3/Submit) id j9G8rJSD011822; Sun, 16 Oct 2005 10:53:19 +0200 (CEST) Date: Sun, 16 Oct 2005 10:53:19 +0200 From: Jimmy Scott To: Mathieu Arnold Message-ID: <20051016085319.GA11795@ada.devbox.be> References: <4351d9bd.6245f154.4f04.ffffb6ef@mx.gmail.com> <20051016044712.GA27867@xor.obsecurity.org> <4FB7164D6E6041F49E3BEE97@cc-126-240.int.t-online.fr> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="2oS5YaxWCcQjTEyO" Content-Disposition: inline In-Reply-To: <4FB7164D6E6041F49E3BEE97@cc-126-240.int.t-online.fr> User-Agent: Mutt/1.4.2i X-PGP-KeyID: 48033D3D X-PGP-Fingerprint: 88A9 54A0 D143 A4F7 8ACA 154F 8032 D30C 4803 3D3D X-PGP-Key: http://pub.devbox.be/misc/pgp.jimmy.asc Cc: freebsd-security@freebsd.org, Stephen Major , Kris Kennaway Subject: Re: GID Games Exploits X-BeenThere: freebsd-security@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: "Security issues \[members-only posting\]" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 16 Oct 2005 08:53:23 -0000 --2oS5YaxWCcQjTEyO Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Sun, Oct 16, 2005 at 10:15:23AM +0200, Mathieu Arnold wrote: >=20 > +-le 16/10/2005 00:47 -0400, Kris Kennaway =E9crivait : > | On Sat, Oct 15, 2005 at 09:39:27PM -0700, Stephen Major wrote: > |> It has come to my attention that there are quite a few local exploits > |> circling around in the private sector for GID Games. > |>=20 > |> =20 > |>=20 > |> Several of the games have vanilla stack overflows in them which can le= ad to > |> elevation of privileges if successfully exploited. > |=20 > | Big deal..that's why they're setgid games (which can only write to > | game data files) and not setuid anything important :-) >=20 > It means that I can change my own score to something better, that's very > important :-) No ! It means you could access directory trees where your own group would not have access to, for example on freeshell.org: [sdf] ~> ls -al /usr/pkg/bin/perl = =20 -rwx---r-x 2 root users 22246 Aug 7 11:16 /usr/pkg/bin/perl Groups are frequently used for negative permissions, because ACL's would be overkill or not possible on the filesystem in question. >=20 > --=20 > Mathieu Arnold > _______________________________________________ > freebsd-security@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-security > To unsubscribe, send any mail to "freebsd-security-unsubscribe@freebsd.or= g" >=20 >=20 --=20 People usually get what's coming to them ... unless it's been mailed. --2oS5YaxWCcQjTEyO Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.1 (OpenBSD) iD8DBQFDUhT/gDLTDEgDPT0RAmy6AJ48mB+5l0YOqy8n74ekrOu48LUH0gCfVO05 Oap7AOGwLASpQBXrnTy92LQ= =hwk2 -----END PGP SIGNATURE----- --2oS5YaxWCcQjTEyO--