From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mp2.migadu.com ([2001:41d0:403:4876::]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)) by ms8.migadu.com with LMTPS id mEJGAsAeC2YJHAEAe85BDQ:P1 (envelope-from ) for ; Mon, 01 Apr 2024 22:53:20 +0200 Received: from aspmx1.migadu.com ([2001:41d0:403:4876::]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)) by mp2.migadu.com with LMTPS id mEJGAsAeC2YJHAEAe85BDQ (envelope-from ) for ; Mon, 01 Apr 2024 22:53:20 +0200 X-Envelope-To: larch@yhetil.org Authentication-Results: aspmx1.migadu.com; dkim=pass header.d=lendvai.name header.s=protonmail header.b=NBodiFjp; spf=pass (aspmx1.migadu.com: domain of "guix-devel-bounces+larch=yhetil.org@gnu.org" designates 209.51.188.17 as permitted sender) smtp.mailfrom="guix-devel-bounces+larch=yhetil.org@gnu.org"; dmarc=pass (policy=none) header.from=lendvai.name ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=yhetil.org; s=key1; t=1712004799; h=from:from:sender:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references:list-id:list-help: list-unsubscribe:list-subscribe:list-post:dkim-signature; bh=x8ETmhNQXeTdHt3rkEhOasxiwKBI7v9xIMZwirCWo6M=; b=ldRAImNwg/3+VncvfkC+8va3pUAYHORppkuA+kMAaYuQAVIw+cUu30CGB0H01oEr+WZHsE 3EPLZtbE/A4JWdj+O0KEOlEAJfHJ0a56WX5hD4qjxHwuAA22nM5TUDFamg5OCH+25Md8LZ yM6x+ZC0jSDyOWshIVP0vZjOuzS3Bwa2bdE7vX+W6yc45v9o6gpH3wfxQo0SXtu4HmEi1d ZdD2KnmffIheSGgjw6854O1DOIiQivfmCNAA3XeN2HqXU6og+TsZAssN4JPl1LRKkT8KVi z8OtmCQKuT/FC9xJlyXYM4kin8kTduwQ7GYaeo+2fCKLg0DK4foPW/Ot6Vx6Tg== ARC-Authentication-Results: i=1; aspmx1.migadu.com; dkim=pass header.d=lendvai.name header.s=protonmail header.b=NBodiFjp; spf=pass (aspmx1.migadu.com: domain of "guix-devel-bounces+larch=yhetil.org@gnu.org" designates 209.51.188.17 as permitted sender) smtp.mailfrom="guix-devel-bounces+larch=yhetil.org@gnu.org"; dmarc=pass (policy=none) header.from=lendvai.name ARC-Seal: i=1; s=key1; d=yhetil.org; t=1712004799; a=rsa-sha256; cv=none; b=hOYDWlKTCKk85oamCksPd+yRG+Z0idxWT7VHisNANV35aQbduCV4Hc3fW7irlPFjONakV+ IVLSSgN0MFmlNslsbKk6bZevLO6RyNGcBtP7N8aRc6cJmWKx5gR85zaP79GjBHhpvtASq7 QurgioZdF9AJy2NjedDx4ADmR5axuNfZx2z0KewKnKWRqjAYGNiGRs/p63bx2KCGTKuTWV Sl+xxIMqwuyTXmmrwRlcpUz/TdLHdtfFx7LGX5NY/BdkwUzyyMo00WrMWUbBt+B0ERmj1s HJ6cDgEoRArCYwa6E9t9S4lFkZkyCLJ80IeVkoVsCeBC2pAUxwMK0eh74a5ycg== Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by aspmx1.migadu.com (Postfix) with ESMTPS id 9CE1B6D056 for ; Mon, 1 Apr 2024 22:53:19 +0200 (CEST) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1rrOe9-00067b-Qf; Mon, 01 Apr 2024 16:52:50 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1rrOe8-00067T-H9 for guix-devel@gnu.org; Mon, 01 Apr 2024 16:52:48 -0400 Received: from mail-4317.proton.ch ([185.70.43.17]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1rrOe4-000433-H4 for guix-devel@gnu.org; Mon, 01 Apr 2024 16:52:47 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=lendvai.name; s=protonmail; t=1712004761; x=1712263961; bh=x8ETmhNQXeTdHt3rkEhOasxiwKBI7v9xIMZwirCWo6M=; h=Date:To:From:Cc:Subject:Message-ID:In-Reply-To:References: Feedback-ID:From:To:Cc:Date:Subject:Reply-To:Feedback-ID: Message-ID:BIMI-Selector; b=NBodiFjpDwgfETYYjbGgdkI/iWSUL+0/Fxv50yc1c8OVlNAejug61gEjAUFIVPFSo y9Zf3ADMA1sdLSwjB0FsrHIvXiQJf5GJ+qN33rPzeNBQl7AWLalInYH36c2TrqGpxB QT4hucv52onKlFbAjbJpIJ10Ba7QoxYM8gvIoWWJo2IP3LVzg15vcZh+PDMYh7UB7p G1zZi62B5FuOivmia6VJxPmtVv8VoO5T9dZuw1IXMHy7z9s1D0x9IapuFI/gxG7deb +IGKD6RBAUDaODjuAjdd/vcaHiEE8TwSpEzmI1Uq3H8AxwgghTatQKzBAlr3KoMfHO WzNNbAENNJQhA== Date: Mon, 01 Apr 2024 20:52:36 +0000 To: Kaelyn From: Attila Lendvai Cc: Reza Housseini , guix-devel@gnu.org Subject: Re: xz backdoor Message-ID: In-Reply-To: References: <3ae39210-ba8b-49df-0ea1-c520011b7cf3@gmail.com> Feedback-ID: 28384833:user:proton MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Received-SPF: pass client-ip=185.70.43.17; envelope-from=attila@lendvai.name; helo=mail-4317.proton.ch X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: guix-devel@gnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "Development of GNU Guix and the GNU System distribution." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: guix-devel-bounces+larch=yhetil.org@gnu.org Sender: guix-devel-bounces+larch=yhetil.org@gnu.org X-Migadu-Country: US X-Migadu-Flow: FLOW_IN X-Migadu-Queue-Id: 9CE1B6D056 X-Spam-Score: -7.41 X-Migadu-Spam-Score: -7.41 X-Migadu-Scanner: mx10.migadu.com X-TUID: EaYwKFzdBMWM > The quick summary is that Guix currently shouldn't be affected > because a) Guix currently packages xz 5.2.8, which predates the > backdoor, and b) the backdoor includes checks based on absolute > paths e.g. under /usr and Guix executable paths generally don't > match the patterns checked for. and guix doesn't use systemd that patches sshd -- a critical piece of secur= ity -- in a way that made the backdoor possible... --=20 =E2=80=A2 attila lendvai =E2=80=A2 PGP: 963F 5D5F 45C7 DFCD 0A39 -- =E2=80=9CWar is a moral contest that is won in the temples before it is eve= r fought.=E2=80=9D =09=E2=80=94 Sun Tzu (c. 6th century BC), author of 'The Art of War' (as pa= raphrased by Jack Kennedy)