From owner-freebsd-security@freebsd.org Sun Feb 28 11:29:11 2021 Return-Path: Delivered-To: freebsd-security@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id 512B1568C34 for ; Sun, 28 Feb 2021 11:29:11 +0000 (UTC) (envelope-from security@lordcow.org) Received: from mail.lordcow.org (lordcow.org [IPv6:2c0f:fb18:402:5::2]) (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-signature RSA-PSS (2048 bits) client-digest SHA256) (Client CN "devaux.za.net", Issuer "R3" (not verified)) by mx1.freebsd.org (Postfix) with ESMTPS id 4DpLkt0m5Fz3kBP for ; Sun, 28 Feb 2021 11:29:09 +0000 (UTC) (envelope-from security@lordcow.org) Received: from lordcow.org (localhost [127.0.0.1]) by mail.lordcow.org (8.16.1/8.15.2) with ESMTPS id 11SBSxZR068955 (version=TLSv1.3 cipher=TLS_AES_256_GCM_SHA384 bits=256 verify=NOT) for ; Sun, 28 Feb 2021 13:28:59 +0200 (SAST) (envelope-from lordcow@lordcow.org) X-Authentication-Warning: lordcow.org: Host localhost [127.0.0.1] claimed to be lordcow.org Received: (from lordcow@localhost) by lordcow.org (8.16.1/8.15.2/Submit) id 11SBSrip068839 for FreeBSD-security@freebsd.org; Sun, 28 Feb 2021 13:28:53 +0200 (SAST) (envelope-from lordcow) Date: Sun, 28 Feb 2021 13:28:53 +0200 From: Gareth de Vaux To: FreeBSD-security@freebsd.org Subject: Re: user account disappeared Message-ID: References: <20210228111223.z2gogfincelvaw7q@aurora> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20210228111223.z2gogfincelvaw7q@aurora> X-Spam-Status: No, score=-1.0 required=5.0 tests=ALL_TRUSTED autolearn=ham autolearn_force=no version=3.4.4 X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on lordcow.org X-Rspamd-Queue-Id: 4DpLkt0m5Fz3kBP X-Spamd-Bar: --- Authentication-Results: mx1.freebsd.org; dkim=none; dmarc=none; spf=pass (mx1.freebsd.org: domain of security@lordcow.org designates 2c0f:fb18:402:5::2 as permitted sender) smtp.mailfrom=security@lordcow.org X-Spamd-Result: default: False [-3.30 / 15.00]; ARC_NA(0.00)[]; MID_RHS_MATCH_FROM(0.00)[]; FREEFALL_USER(0.00)[security]; FROM_HAS_DN(0.00)[]; RBL_DBL_DONT_QUERY_IPS(0.00)[2c0f:fb18:402:5::2:from]; R_SPF_ALLOW(-0.20)[+ip6:2c0f:fb18:402:5::2/64:c]; TO_MATCH_ENVRCPT_ALL(0.00)[]; MIME_GOOD(-0.10)[text/plain]; PREVIOUSLY_DELIVERED(0.00)[freebsd-security@freebsd.org]; HAS_XAW(0.00)[]; RCPT_COUNT_ONE(0.00)[1]; SPAMHAUS_ZRD(0.00)[2c0f:fb18:402:5::2:from:127.0.2.255]; TO_DN_NONE(0.00)[]; NEURAL_HAM_LONG(-1.00)[-1.000]; RCVD_TLS_ALL(0.00)[]; DMARC_NA(0.00)[lordcow.org]; NEURAL_HAM_SHORT(-1.00)[-1.000]; NEURAL_HAM_MEDIUM(-1.00)[-1.000]; FROM_EQ_ENVFROM(0.00)[]; R_DKIM_NA(0.00)[]; MIME_TRACE(0.00)[0:+]; ASN(0.00)[asn:37199, ipnet:2c0f:fb18::/32, country:ZA]; RCVD_COUNT_TWO(0.00)[2]; MAILMAN_DEST(0.00)[FreeBSD-security] X-BeenThere: freebsd-security@freebsd.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: "Security issues \[members-only posting\]" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 28 Feb 2021 11:29:11 -0000 On Sun 2021-02-28 (12:12), Lehel Bernadt wrote: > So first, regenerate the db files by running > "pwd_mkdb -p /etc/master.passwd" Hi, thanks yes I've run this and the user is back, but I'm more concerned with how this happened.