From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from lists.gentoo.org (pigeon.gentoo.org [208.92.234.80]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by finch.gentoo.org (Postfix) with ESMTPS id 13C0C1382C5 for ; Tue, 22 May 2018 22:38:39 +0000 (UTC) Received: from pigeon.gentoo.org (localhost [127.0.0.1]) by pigeon.gentoo.org (Postfix) with SMTP id 429EAE0976; Tue, 22 May 2018 22:37:56 +0000 (UTC) Received: from smtp.gentoo.org (dev.gentoo.org [IPv6:2001:470:ea4a:1:5054:ff:fec7:86e4]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by pigeon.gentoo.org (Postfix) with ESMTPS id 6BE5BE09C7 for ; Tue, 22 May 2018 22:37:03 +0000 (UTC) Received: from monkey.localnet (pool-71-163-21-11.washdc.fios.verizon.net [71.163.21.11]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: bman) by smtp.gentoo.org (Postfix) with ESMTPSA id 8FC20335C99 for ; Tue, 22 May 2018 22:37:02 +0000 (UTC) From: Aaron Bauman To: gentoo-announce@lists.gentoo.org Reply-To: security@gentoo.org Subject: [gentoo-announce] [ GLSA 201805-09 ] Shadow: security bypass Date: Tue, 22 May 2018 18:36:59 -0400 Message-ID: <16104448.jOuFdEU6J5@monkey> Organization: Gentoo Precedence: bulk List-Post: List-Help: List-Unsubscribe: List-Subscribe: List-Id: Gentoo Linux mail X-BeenThere: gentoo-announce@lists.gentoo.org MIME-Version: 1.0 Content-Type: multipart/signed; boundary="nextPart1872475.OPNnshW4do"; micalg="pgp-sha256"; protocol="application/pgp-signature" X-Archives-Salt: 59d7cf88-abdc-41e3-a3e8-0d41e58c5755 X-Archives-Hash: c83c397b4760a7ac88ee6eacc7cb9fa5 --nextPart1872475.OPNnshW4do Content-Transfer-Encoding: 7Bit Content-Type: text/plain; charset="us-ascii" - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Gentoo Linux Security Advisory GLSA 201805-09 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - https://security.gentoo.org/ - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Severity: Normal Title: Shadow: security bypass Date: May 22, 2018 Bugs: #647790 ID: 201805-09 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Synopsis ======== A vulnerability found in Shadow may allow local attackers to bypass security restrictions. Background ========== Shadow is a set of tools to deal with user accounts. Affected packages ================= ------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 sys-apps/shadow < 4.6 >= 4.6 Description =========== A local attacker could possibly bypass security restrictions if an administrator used "group blacklisting" to restrict access to file system paths. Impact ====== A local attacker could possibly bypass security restrictions. Workaround ========== There is no known workaround at this time. Resolution ========== All shadow users should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot --verbose ">=sys-apps/shadow-4.6" References ========== [ 1 ] CVE-2018-7169 https://nvd.nist.gov/vuln/detail/CVE-2018-7169 Availability ============ This GLSA and any updates to it are available for viewing at the Gentoo Security Website: https://security.gentoo.org/glsa/201805-09 Concerns? ========= Security is a primary focus of Gentoo Linux and ensuring the confidentiality and security of our users' machines is of utmost importance to us. Any security concerns should be addressed to security@gentoo.org or alternatively, you may file a bug at https://bugs.gentoo.org. License ======= Copyright 2018 Gentoo Foundation, Inc; referenced text belongs to its owner(s). The contents of this document are licensed under the Creative Commons - Attribution / Share Alike license. https://creativecommons.org/licenses/by-sa/2.5 --nextPart1872475.OPNnshW4do Content-Type: application/pgp-signature; name="signature.asc" Content-Description: This is a digitally signed message part. Content-Transfer-Encoding: 7Bit -----BEGIN PGP SIGNATURE----- iQEzBAABCAAdFiEEiDRK3jyVBE/RkymqpRQw84X1dt0FAlsEm4sACgkQpRQw84X1 dt2cVwf/bBxpTP6NUfSz5GEqt7ATVUeo+iK0QlLPa2dc+HZY1PoMGsERx0vZDtQH eukNuhbQsIYt3+igyBaOzLK/yJaE1/BF02cymb5N2slnadi3r9KBgQ5bTl5BSmWc 202/KtjWT3Msl68TyH91ja4MOCMKegVVnYhhOh+oS9PepLbTDF+4li1z8YAQL3EY e3zLbG+zX9nFCHxMwdXqEXYsnpza9nDaUtgIL4MB1Lrso9IAAwrILV8wDCMg9O97 m0ayPwBxwZoQbuwub8AYozoFFG/5YlenYB+YE5PVb8ME26Z6sDLWZvoSp7MozhXX A87nydERGDaoRYKOmkRDpAj0O30GtA== =iQ3N -----END PGP SIGNATURE----- --nextPart1872475.OPNnshW4do--