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Mon, 1 Apr 2024 19:27:12 -0400 (EDT) Date: Mon, 1 Apr 2024 19:27:10 -0400 From: Leo Famulari To: Reza Housseini Cc: guix-devel@gnu.org Subject: Re: xz backdoor Message-ID: References: <3ae39210-ba8b-49df-0ea1-c520011b7cf3@gmail.com> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="HyRn1Fdt7+GLACz0" Content-Disposition: inline In-Reply-To: <3ae39210-ba8b-49df-0ea1-c520011b7cf3@gmail.com> Received-SPF: pass client-ip=103.168.172.156; envelope-from=leo@famulari.name; helo=fhigh5-smtp.messagingengine.com X-Spam_score_int: -27 X-Spam_score: -2.8 X-Spam_bar: -- X-Spam_report: (-2.8 / 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_DNSWL_LOW=-0.7, SPF_HELO_NONE=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: 3B56B7574B X-Spam-Score: -9.58 X-Migadu-Spam-Score: -9.58 X-Migadu-Scanner: mx10.migadu.com X-TUID: 78gJfg0vvwxc --HyRn1Fdt7+GLACz0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline On Mon, Apr 01, 2024 at 09:46:12PM +0200, Reza Housseini wrote: > Just stumbled upon this recently discovered supply chain attack on xz, > inserting a backdoor via test files [1, 2]. And it made me wondering, what > would have been the effects on guix and how can we potentially avoid it? There's actually suspicious code by the xz attacker in one of our packages right now: https://issues.guix.gnu.org/issue/70113 Please help review that patch! --HyRn1Fdt7+GLACz0 Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQIzBAABCAAdFiEEaEByLu7k06ZO5T6saqwZY3V/R/8FAmYLQsoACgkQaqwZY3V/ R//eog/+JyNklhS8T91MIgoD4sGRNd9MPQpTDjECKSSsPbAufzNiG+k65qOS6dCN YiXuzodBRi9F9YWT6U3ww06rL6Ps7kTKg3vNjcXUTLZyrwFTOjL7sg8CfnY5zNzX DT2NF1lgBmAgccJdAGVenrgWUFDjLrBSUEBrXqTmIQvnOPFiy7FNjhTX3VS/274W G8lYuLjzKDz3TIDrLj6ytKaeO9HR2ytpqBdWnIN3yuj3FtrmpoRZr9ktrhrr2j1q PCwoh0d2oPnxNfUPUfmXC8zFH54z4eJZzQFBO5JC4BhnPNwYRALfKOfSr9MMTH4p V1fJo2vsPfuvtZBQwCsIbyHqfdSI/xrpnHKpojDn11jWcGoWtRmfj+f5fC2HAHne Yt5jHjttl+teVFe08tc0hwi1ugd4sA4NdWChMLr/9gq1Vj5F+2U4KfnyNV4Y81yo CpR5ZRyxb2fGfLXArBdF+pSxZ/JrNSonbdSR+Xm3qKYXpVLmWpAGxGILR0dTE7r8 vfQc/7kZHAu770Bs/vxBui8OVigaVPoLsrPQ5s3r32yIR8ERUmoGrv7pWkF6a54r VnUPcgfyrd6T0YL46DYTEQ+8R7Pn/X5VL2IbL/kQvMcuGydbHc4LBGz6Cv8v8j/q YJvg2U/2T2l8iTM8wSwj4nJbscxXw4F/v3aDuRYybtTgj/n/knI= =On84 -----END PGP SIGNATURE----- --HyRn1Fdt7+GLACz0--