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 TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits)) (No client certificate requested) by finch.gentoo.org (Postfix) with ESMTPS id D5F9D15808B for ; Sun, 18 Feb 2024 07:34:03 +0000 (UTC) Received: from pigeon.gentoo.org (localhost [127.0.0.1]) by pigeon.gentoo.org (Postfix) with SMTP id 028F9E2A72; Sun, 18 Feb 2024 07:33:39 +0000 (UTC) Received: from smtp.gentoo.org (woodpecker.gentoo.org [140.211.166.183]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by pigeon.gentoo.org (Postfix) with ESMTPS id D8586E2A5D for ; Sun, 18 Feb 2024 07:33:20 +0000 (UTC) Received: from glsamakerdev.dev.gentoo.org (unknown [140.211.166.165]) by smtp.gentoo.org (Postfix) with ESMTP id 0536A342FF9 for ; Sun, 18 Feb 2024 07:33:20 +0000 (UTC) Received: from [172.18.0.3] (unknown [172.18.0.3]) by glsamakerdev.dev.gentoo.org (Postfix) with ESMTP id BB460B39BE for ; Sun, 18 Feb 2024 07:33:19 +0000 (UTC) Subject: [gentoo-announce] [ GLSA 202402-13 ] TACACS+: Remote Code Execution Precedence: bulk List-Post: List-Help: List-Unsubscribe: List-Subscribe: List-Id: Gentoo Linux mail X-BeenThere: gentoo-announce@lists.gentoo.org X-Auto-Response-Suppress: DR, RN, NRN, OOF, AutoReply MIME-Version: 1.0 Content-Type: multipart/signed; protocol="application/pgp-signature"; micalg="pgp-sha512"; boundary="===============0515360233396569327==" From: glsamaker@gentoo.org To: gentoo-announce@lists.gentoo.org Reply-To: security@gentoo.org Date: Sun, 18 Feb 2024 07:33:19 -0000 Message-ID: <170824159976.8.13143802762374872443@987c7955d8b1> X-Archives-Salt: 5604a858-0781-4f2c-83dc-ace1be2c7e88 X-Archives-Hash: c83b70868f430efa3fc598ec4677482f --===============0515360233396569327== Content-Type: text/plain; charset="utf-8" - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Gentoo Linux Security Advisory GLSA 202402-13 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - https://security.gentoo.org/ - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Severity: High Title: TACACS+: Remote Code Execution Date: February 18, 2024 Bugs: #918536 ID: 202402-13 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Synopsis ======== A vulnerability has been discovered in TACACS+ which could lead to remote code execution. Background ========== An updated version of Cisco's TACACS+ server. Affected packages ================= Package Vulnerable Unaffected ---------------- --------------- ------------ net-nds/tac_plus <= 4.0.4.27a-r3 Vulnerable! Description =========== A vulnerabilitiy has been discovered in TACACS+. Please review the CVE identifier referenced below for details. Impact ====== A lack of input validation exists in tac_plus which, when pre or post auth commands are enabled, allows an attacker who can control the username, rem-addr, or NAC address sent to tac_plus to inject shell commands and gain remote code execution on the tac_plus server. Workaround ========== There is no known workaround at this time. Resolution ========== Gentoo has discontinued support for TACACS+. We recommend that users unmerge it: # emerge --ask --depclean "net-nds/tac_plus" References ========== [ 1 ] CVE-2023-45239 https://nvd.nist.gov/vuln/detail/CVE-2023-45239 Availability ============ This GLSA and any updates to it are available for viewing at the Gentoo Security Website: https://security.gentoo.org/glsa/202402-13 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 2024 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 --===============0515360233396569327== Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- iQIzBAEBCgAdFiEEpqTA6ABLMxh/aChGFMQkOaVy+9kFAmXRsr8ACgkQFMQkOaVy +9kbAA/8DCZwAbEylxCSv9OEO3x4GJZmnDOFqIJm3mJa8e0ACcfR427xqcRjyVXa 70lIknvBhzfQME3TCekU7ujYLiUeZvxMc88FGgfSa+INV4sr/hDx/ySHIJ9cvULb OZlOo3leRh7mCbZLweyDDyr02BmUegR8qtBt6MPsyZkiS7G+nbBLjP0fI8LUNl7Y l/hwkR2O0cRqaq/ylySEbS2FTG1bg51/oxdlpjyEzQMlfROImxz43jo6IpY5yGVw ywMEf5whWgZhqYWfodSEDEXZfCbO/QveCgIZLVIIEDTawkvCg9uJs4RHADiKDznI 5iJ63obnh8zUn8eGoCucOqQbyIPiCiaXHP2mPikiT1GIDPbYcq58upfptCh8qn38 a9Xr05WNQRPo7Xw+sQu2TL73cvuQ2oA9zo768ElRiTjuDG3eBgxIKAo1THs7mWbv vvHHIA1A3fany26gsh6zaJGkmGCuMO+m2jH/7BPdpsTQvpjbZe6MGzOycdJWDjEP +SUOX/iGtCoodBxdJmSA6dXfAMGP1g4zcTANAAPK/dSXbhXUy/n3Hr+93tCaSiay CmlES2TNZDeHFPawrjFPfTQCyTJjxFLSswjZCifyF7Pq8wg0aguY95hHmOq2zR05 BXt5TF+ERv9/U9xXdV6IYgSTVAb9If0rap0uwUI7GWT7wP7wAeQ= =IZUk -----END PGP SIGNATURE----- --===============0515360233396569327==--