From owner-freebsd-security@freebsd.org Thu Sep 1 13:20:29 2016 Return-Path: Delivered-To: freebsd-security@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id A2280BCA0BA for ; Thu, 1 Sep 2016 13:20:29 +0000 (UTC) (envelope-from fwagglechop@gmail.com) Received: from mail-ua0-x232.google.com (mail-ua0-x232.google.com [IPv6:2607:f8b0:400c:c08::232]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "Google Internet Authority G2" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 5C6129CB for ; Thu, 1 Sep 2016 13:20:29 +0000 (UTC) (envelope-from fwagglechop@gmail.com) Received: by mail-ua0-x232.google.com with SMTP id m60so144501158uam.3 for ; Thu, 01 Sep 2016 06:20:29 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:from:date:message-id:subject:to :cc; bh=VC+TJ3JSpzx4Jm1J10PJFKEfHmurUqgAlxR0svKB4w8=; b=fhfMLnQumJE+4a3WtQAlblYMgu3fJ8pBrvime5YUmVF1zC7A8ZNcgRckgfAUhyEIHE 77DJf/TZK1sCLCrb0LiG69P4St0P4w3evIZddKYHx8Br7/LaM93AcAXvEAdDyPHfDrGv zkIgOB0p6ddMqzcl5OTqFs/Q3bdVBIq95EeCYwy8Ov9VnGQAbfdW/z6Goir6bUJqT7Z+ tYIrVPyp0pN5tpBfPe+IBq0KT2WBc/UR98HUl+AgQnUB3ZJCHMAKLtjlhqRbZeE/LuqC 3WnD+NIHbd2WrxDPB1S4LmnDngrNf4JJf9bHmjT+x2P2xNDQgBmNbWlG2/miKSqiT7TC se4Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:mime-version:in-reply-to:references:from:date :message-id:subject:to:cc; bh=VC+TJ3JSpzx4Jm1J10PJFKEfHmurUqgAlxR0svKB4w8=; b=aILaDBBqhxZSiEqQxpri7WId7oq2T3MV7KGK5puwKUr4adQLRV+4KIEPdYj+/wzx2+ suY0PEYE5CskoITTZjgbOxaxtvyf+mVIqI9/XDNBaxyyurJ7sTDYw9wl6L0UlIaEkmkM /P0M+qpriQclAKZZTQPVsVNOaPu8KeQdAI4yw64qv+NK4s59uh5/cvx6R+H2nTPpL0h8 RbuhTGglSyAivGw1zJxLURRS16gChG9n5eOxE5imxXyImm1hBdGw4gsQu/SaswgmONr8 Huws/nsxvoD08fJHsIdS+I5HpdW1/k5oRLw2ICUNvuxrHJ0qVuPAKU6REd5evP/xlWUo 8uTA== X-Gm-Message-State: AE9vXwMpwg9vAnfE5vMt7sJ3yoM/cwaSsmZZdYWq12MMHnDwcToNDuGLFUlZ/F60VGxuf3er9LqMafMemr9JEw== X-Received: by 10.31.237.131 with SMTP id l125mr9170740vkh.47.1472736028524; Thu, 01 Sep 2016 06:20:28 -0700 (PDT) MIME-Version: 1.0 Received: by 10.176.1.84 with HTTP; Thu, 1 Sep 2016 06:20:26 -0700 (PDT) In-Reply-To: References: From: fwaggle Date: Thu, 1 Sep 2016 23:20:26 +1000 Message-ID: Subject: Re: edit others user crontab, security bug To: Andrii Kuzik Cc: freebsd-security@freebsd.org Content-Type: text/plain; charset=UTF-8 X-Mailman-Approved-At: Thu, 01 Sep 2016 13:41:26 +0000 X-BeenThere: freebsd-security@freebsd.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: "Security issues \[members-only posting\]" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 01 Sep 2016 13:20:29 -0000 > root# pw useradd -n www.promspecbud.com -g nobody -s /bin/sh -d /tmp > root# pw useradd -n www.promspecbud.com.other -g nobody -s /bin/sh -d /tmp I'm really sleepy so this might be wrong or outdated, but aren't/weren't FreeBSD usernames limited to 16 characters? Seems to me this probably relates to both the users being evaluated to the username "www.promspecbud." or whatever. -- James "fwaggle" Fraser