From owner-freebsd-security Wed Feb 7 11:45:33 2001 Delivered-To: freebsd-security@freebsd.org Received: from freefall.freebsd.org (freefall.freebsd.org [216.136.204.21]) by hub.freebsd.org (Postfix) with ESMTP id C672F37B4EC; Wed, 7 Feb 2001 11:44:59 -0800 (PST) Received: (from kris@localhost) by freefall.freebsd.org (8.11.1/8.11.1) id f17Jixq05555; Wed, 7 Feb 2001 11:44:59 -0800 (PST) (envelope-from security-advisories@FreeBSD.org) Date: Wed, 7 Feb 2001 11:44:59 -0800 (PST) Message-Id: <200102071944.f17Jixq05555@freefall.freebsd.org> X-Authentication-Warning: freefall.freebsd.org: kris set sender to security-advisories@FreeBSD.org using -f From: FreeBSD Security Advisories To: FreeBSD Security Advisories Subject: FreeBSD Ports Security Advisory: FreeBSD-SA-01:21.ja-elvis Reply-To: security-advisories@FreeBSD.org Sender: owner-freebsd-security@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.org -----BEGIN PGP SIGNED MESSAGE----- ============================================================================= FreeBSD-SA-01:21 Security Advisory FreeBSD, Inc. Topic: ja-elvis and ko-helvis ports contain a local root compromise Category: ports Module: ja-elvis/ko-helvis Announced: 2001-02-07 Credits: Found during internal auditing Affects: Ports collection prior to the correction date. Corrected: 2001-01-28 Vendor status: Vendor notified FreeBSD only: No I. Background The ja-elvis and ko-helvis ports are localized versions of elvis, a vi editor clone. II. Problem Description The ja-elvis and ko-helvis ports, versions prior to ja-elvis-1.8.4_1 and ko-helvis-1.8h2_1, contain an exploitable buffer overflow in the elvrec utility. Because elvrec is setuid root, unprivileged local users may gain root privileges on the local system. The ja-elvis and ko-helvis ports are not installed by default, nor are they "part of FreeBSD" as such: they are part of the FreeBSD ports collection, which contains over 4500 third-party applications in a ready-to-install format. The ports collections shipped with FreeBSD 3.5.1 and 4.2 contain this problem since it was discovered after the releases. FreeBSD makes no claim about the security of these third-party applications, although an effort is underway to provide a security audit of the most security-critical ports. III. Impact Unprivileged local users may gain root privileges on the local system. If you have not chosen to install the ja-elvis or ko-helvis ports/packages, then your system is not vulnerable to this problem. IV. Workaround Deinstall the ja-elvis or ko-helvis port/package, if you have installed it. V. Solution One of the following: 1) Upgrade your entire ports collection and rebuild the ja-elvis or ko-helvis port. 2) Deinstall the old package and install a new package dated after the correction date, obtained from: [i386] [ja-elvis] ftp://ftp.FreeBSD.org/pub/FreeBSD/ports/i386/packages-3-stable/japanese/ja-elvis-1.8.4_1.tgz ftp://ftp.FreeBSD.org/pub/FreeBSD/ports/i386/packages-4-stable/japanese/ja-elvis-1.8.4_1.tgz ftp://ftp.FreeBSD.org/pub/FreeBSD/ports/alpha/packages-4-stable/japanese/ja-elvis-1.8.4_1.tgz ftp://ftp.FreeBSD.org/pub/FreeBSD/ports/i386/packages-5-current/japanese/ja-elvis-1.8.4_1.tgz ftp://ftp.FreeBSD.org/pub/FreeBSD/ports/alpha/packages-5-current/japanese/ja-elvis-1.8.4_1.tgz [ko-helvis] ftp://ftp.FreeBSD.org/pub/FreeBSD/ports/i386/packages-3-stable/korean/ko-helvis-1.8h2_1.tgz ftp://ftp.FreeBSD.org/pub/FreeBSD/ports/i386/packages-4-stable/korean/ko-helvis-1.8h2_1.tgz ftp://ftp.FreeBSD.org/pub/FreeBSD/ports/alpha/packages-4-stable/korean/ko-helvis-1.8h2_1.tgz ftp://ftp.FreeBSD.org/pub/FreeBSD/ports/i386/packages-5-current/korean/ko-helvis-1.8h2_1.tgz ftp://ftp.FreeBSD.org/pub/FreeBSD/ports/alpha/packages-5-current/korean/ko-helvis-1.8h2_1.tgz [alpha] Packages are not automatically generated for the alpha architecture at this time due to lack of build resources. 3) download a new port skeleton for the ja-elvis or ko-helvis port from: http://www.freebsd.org/ports/ and use it to rebuild the port. 4) Use the portcheckout utility to automate option (3) above. The portcheckout port is available in /usr/ports/devel/portcheckout or the package can be obtained from: ftp://ftp.FreeBSD.org/pub/FreeBSD/ports/i386/packages-3-stable/devel/portcheckout-2.0.tgz ftp://ftp.FreeBSD.org/pub/FreeBSD/ports/i386/packages-4-stable/devel/portcheckout-2.0.tgz ftp://ftp.FreeBSD.org/pub/FreeBSD/ports/alpha/packages-4-stable/devel/portcheckout-2.0.tgz ftp://ftp.FreeBSD.org/pub/FreeBSD/ports/i386/packages-5-current/devel/portcheckout-2.0.tgz ftp://ftp.FreeBSD.org/pub/FreeBSD/ports/alpha/packages-5-current/devel/portcheckout-2.0.tgz -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.0.4 (FreeBSD) Comment: For info see http://www.gnupg.org iQCVAwUBOoGlh1UuHi5z0oilAQE/ggP/QR9lSQtamdAZCI1WXR2HwwVgu+UITBdK QCmYhia7H+YVRUp9Oiya1zZ/FyKQlz1VjoRVQEtU9jeHuo1tocABn6pobZLqc1z+ gyUHX6vbC4wNVB1PFMX6RYUCpP50K4/QS6kQmLJdspYteCE7om374QyKTzQgoObh 1FNmh60FcbI= =uB1V -----END PGP SIGNATURE----- To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-security" in the body of the message