From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mp2.migadu.com ([2001:41d0:403:58f0::]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)) by ms1.migadu.com with LMTPS id GFFHGKjDDmb2YAEAe85BDQ:P1 (envelope-from ) for ; Thu, 04 Apr 2024 17:13:44 +0200 Received: from aspmx1.migadu.com ([2001:41d0:403:58f0::]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)) by mp2.migadu.com with LMTPS id GFFHGKjDDmb2YAEAe85BDQ (envelope-from ) for ; Thu, 04 Apr 2024 17:13:44 +0200 X-Envelope-To: larch@yhetil.org Authentication-Results: aspmx1.migadu.com; dkim=pass header.d=lendvai.name header.s=protonmail header.b=aWyQ16hh; dmarc=pass (policy=none) header.from=lendvai.name; 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" ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=yhetil.org; s=key1; t=1712243624; 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=6G69N9ORuDy/jWB0RMlpT2uzATTe93w+Rge0HbxPsME=; b=h8BYSa8GwA77XyuNUMTSaLmMS0aUxFdDOn2YEd/f6ZwTjD/IrDnhsF5gveeZjrobbwEjv0 737moYtKCweQPidiVRcC1epW5thA29A+yC74Xsn+orAbz9RxZTNSdw8vnvv393JMplulGp kFSY04QCATjxHny1FhSs8TF77OiyyWrzv9vj3MMIUAIeCRYUFVE8O/OZBS/MtxUVrLngWn hgsmeTrY2Brz+d//U5KUXAUMfIaY3+8wKBc3hqWR1yHBqCx+yHv74vGYK7pud5dOgSGKdH UUB0YOjZB3FvFoUzbG/9MfmVjJkozO53YP89TEsEzihbC/sTArWlWVziw5Zpfw== ARC-Authentication-Results: i=1; aspmx1.migadu.com; dkim=pass header.d=lendvai.name header.s=protonmail header.b=aWyQ16hh; dmarc=pass (policy=none) header.from=lendvai.name; 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" ARC-Seal: i=1; s=key1; d=yhetil.org; t=1712243624; a=rsa-sha256; cv=none; b=t5eLwxhVGoWhTR+n6QbyibsI+UagpfDEtuTUCssl9E02yYCLuhl5vrLh1ptmxr24/uyry/ T7P6KqH67CDhTXs4E2qmgmsBImri/a89ZBfZvhRWTlctOKo4mnWCDRMRCImUG98ksl1ZvL higAa9Ze/R5fA3SiwFfNEWSTLGyNelw9Tjdumnxv+7I7FImtQv0SaDxUmcZI1jHtSJf5al 0FzaFVcLPTn9zMEy6zL1EMwLyMAyzK52REIXJvABH3XOd5eZfgBCbQLWRFEFlEsDIwrh88 t6fnajlvmiYIdFJbtApbs1Nh4H9Vncco9/Tq1ghYVv0yc5X9PxyQJpw+Q58uAw== 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 10F5663161 for ; Thu, 04 Apr 2024 17:13:44 +0200 (CEST) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1rsOmB-0003CG-VK; Thu, 04 Apr 2024 11:13:15 -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 1rsOm7-0003Bo-HV for guix-devel@gnu.org; Thu, 04 Apr 2024 11:13:11 -0400 Received: from mail-40136.proton.ch ([185.70.40.136]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1rsOm2-0007Rr-56 for guix-devel@gnu.org; Thu, 04 Apr 2024 11:13:09 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=lendvai.name; s=protonmail; t=1712243581; x=1712502781; bh=6G69N9ORuDy/jWB0RMlpT2uzATTe93w+Rge0HbxPsME=; 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=aWyQ16hh2k45sqbGflD0FSEDG+Gn1DlDLsNVpORVC/P88cd3N1IQ+MEuwPCkbtXBV 4+rV7/F29dZAfo1ES/wnL/LapAfpFZk4Zvjur5aSSOjP/gvWgJUh1oazmDUayNy/U5 Rvzc+4Wat5vaRhvj3Mi+A407JgQr91i37PLK24rUKKTeHBWQ0Ulyf69NwFhSysZUk5 Lb+B33zq/RUmniYhUAuqG8/JiWhhOTml/ylPwR6u19FnT5ae6WYTkBajy/JVIZrR0k BM/4OxcRW4mv94gs7DDzVUqUTK/fDkhwY745lqPb01H5cGlKoSRH8Cg0M02R1S6+bU nGDePJgZCtc3g== Date: Thu, 04 Apr 2024 15:12:47 +0000 To: Giovanni Biscuolo From: Attila Lendvai Cc: Guix Devel , guix-security@gnu.org, Felix Lechner , Ryan Prior Subject: Re: backdoor injection via release tarballs combined with binary artifacts (was Re: Backdoor in upstream xz-utils) Message-ID: In-Reply-To: <8734s1mn5p.fsf@xelera.eu> References: <87ttkon4c4.fsf@protonmail.com> <8734s1mn5p.fsf@xelera.eu> 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=185.70.40.136; envelope-from=attila@lendvai.name; helo=mail-40136.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=unavailable 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-Flow: FLOW_IN X-Migadu-Country: US X-Migadu-Spam-Score: -9.14 X-Migadu-Scanner: mx11.migadu.com X-Spam-Score: -9.14 X-Migadu-Queue-Id: 10F5663161 X-TUID: 62LhYAHf8jOy > Also, in (info "(guix) origin Reference") I see that Guix packages can ha= ve a > list of uri(s) for the origin of source code, see xz as an example [7]: > are they intended to be multiple independent sources to be compared in > order to prevent possible tampering or are they "just" alternatives to > be used if the first listed uri is unavailable? a source origin is identified by its cryptographic hash (stored in its sha2= 56 field); i.e. it doesn't matter *where* the source archive was acquired f= rom. if the hash matches the one in the package definition, then it's the s= ame archive that the guix packager has seen while packaging. --=20 =E2=80=A2 attila lendvai =E2=80=A2 PGP: 963F 5D5F 45C7 DFCD 0A39 -- =E2=80=9CWe=E2=80=99ll know our disinformation program is complete when eve= rything the American public believes is false.=E2=80=9D =09=E2=80=94 William Casey (1913=E2=80=931987), the director of CIA 1981-19= 87