From nobody Sat Mar 30 18:43:36 2024 X-Original-To: freebsd-security@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4V6R4Z2xk3z5GCGv for ; Sat, 30 Mar 2024 18:43:42 +0000 (UTC) (envelope-from freebsd@chroot.pl) Received: from mail.apsz.com.pl (mail.apsz.com.pl [212.127.95.242]) (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) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 4V6R4X44wVz4XyW for ; Sat, 30 Mar 2024 18:43:40 +0000 (UTC) (envelope-from freebsd@chroot.pl) Authentication-Results: mx1.freebsd.org; dkim=pass header.d=chroot.pl header.s=mail header.b="xV2JB/kW"; dmarc=pass (policy=reject) header.from=chroot.pl; spf=pass (mx1.freebsd.org: domain of freebsd@chroot.pl designates 212.127.95.242 as permitted sender) smtp.mailfrom=freebsd@chroot.pl Received: from chroot.pl (89-72-73-3.dynamic.chello.pl [89.72.73.3]) by mail.apsz.com.pl (Postfix) with ESMTPS id 2E3B6FE61A for ; Sat, 30 Mar 2024 19:43:39 +0100 (CET) Message-ID: <7d72e73d-6e7a-412e-b758-33507abfc3aa@chroot.pl> DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=chroot.pl; s=mail; t=1711824218; bh=R2aBt/hObpeBWHvtuoKTbqCz6iLXS8ednLjXDFq1Fbc=; h=Date:From:Subject:To:References:In-Reply-To; b=xV2JB/kWmoFPz+4W/BrJOBr9peVdUdmMwHMHRsCZU2VUwZTfAWvMsf8iIfLSP8RUe vqeMIxBOU24GzpaL6qom6zuIDY/IaHS7fllPjkbeqKO3NqMaNLtWSblqyYw3j+6JZa hdkHT4owvTaR1kTmILc9qupme7gq4NryGRdfYg9yOZDNLEaw4qrH0e8VNICRPRCJjQ kxxgdUbGB55VDsBJ46fSZHuIY4f/Na/bwtYfGxOu0ymwdfYwSimGIVni13uJZNqEtD jnKw9AtxZKw47W6ewQxFvWhetNHw8yq6VErIb0HAgewNjmfc2bmbV5GzvlNU76Qxri stPRZEAmIY1oA== Date: Sat, 30 Mar 2024 19:43:36 +0100 List-Id: Security issues List-Archive: https://lists.freebsd.org/archives/freebsd-security List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-security@freebsd.org X-BeenThere: freebsd-security@freebsd.org MIME-Version: 1.0 User-Agent: Mozilla Thunderbird From: FreeBSD Subject: Re: Backdoor in xz 5.6.0 To: freebsd-security@freebsd.org References: Content-Language: en-US In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Status: No, score=-95.9 required=4.0 tests=BAYES_50,KHOP_HELO_FCRDNS, NO_FM_NAME_IP_HOSTN,PDS_RDNS_DYNAMIC_FP,RDNS_DYNAMIC, USER_IN_WELCOMELIST autolearn=no autolearn_force=no version=4.0.0 X-Spam-Checker-Version: SpamAssassin 4.0.0 (2022-12-14) on mail.apsz.com.pl X-Virus-Scanned: clamav-milter 1.3.0 at mail.apsz.com.pl X-Virus-Status: Clean X-Spamd-Bar: --- X-Spamd-Result: default: False [-3.88 / 15.00]; NEURAL_HAM_MEDIUM(-1.00)[-1.000]; NEURAL_HAM_LONG(-1.00)[-1.000]; NEURAL_HAM_SHORT(-0.89)[-0.892]; DMARC_POLICY_ALLOW(-0.50)[chroot.pl,reject]; R_SPF_ALLOW(-0.20)[+ip4:212.127.95.242]; R_DKIM_ALLOW(-0.20)[chroot.pl:s=mail]; MIME_GOOD(-0.10)[text/plain]; XM_UA_NO_VERSION(0.01)[]; ASN(0.00)[asn:35179, ipnet:212.127.88.0/21, country:PL]; RCVD_COUNT_ONE(0.00)[1]; RCPT_COUNT_ONE(0.00)[1]; MIME_TRACE(0.00)[0:+]; MID_RHS_MATCH_FROM(0.00)[]; RCVD_TLS_ALL(0.00)[]; ARC_NA(0.00)[]; FROM_EQ_ENVFROM(0.00)[]; FROM_HAS_DN(0.00)[]; MLMMJ_DEST(0.00)[freebsd-security@freebsd.org]; TO_DN_NONE(0.00)[]; PREVIOUSLY_DELIVERED(0.00)[freebsd-security@freebsd.org]; TO_MATCH_ENVRCPT_ALL(0.00)[]; DKIM_TRACE(0.00)[chroot.pl:+] X-Rspamd-Queue-Id: 4V6R4X44wVz4XyW Hi all, regarding xz… have you seen this? https://github.com/libarchive/libarchive/pull/1609 regards On 3/30/24 00:47, Alan Somers wrote: > A malicious developer added a backdoor to xz 5.6.0 and 5.6.1, and > snuck it into Fedora builds. That's the same version that FreeBSD > CURRENT uses. For multiple reasons we aren't vulnerable (the > malicious code isn't included in xz's git repo, only its dist > tarballs, the malicious code is only triggered on x86_64 linux in an > rpm or deb build, and the malicious code resides in a .m4 file which > our build process doesn't use). But upstream considers all of 5.6.0 > to be untrustworthy and recommends that everyone to 5.4.5. > > summary: https://arstechnica.com/security/2024/03/backdoor-found-in-widely-used-linux-utility-breaks-encrypted-ssh-connections/ > details: https://www.openwall.com/lists/oss-security/2024/03/29/4 >