From owner-freebsd-gecko@freebsd.org Sat Apr 20 12:56:41 2019 Return-Path: Delivered-To: freebsd-gecko@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id A7581158D611 for ; Sat, 20 Apr 2019 12:56:41 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from mailman.ysv.freebsd.org (mailman.ysv.freebsd.org [IPv6:2001:1900:2254:206a::50:5]) by mx1.freebsd.org (Postfix) with ESMTP id 3E78B904C3 for ; Sat, 20 Apr 2019 12:56:41 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: by mailman.ysv.freebsd.org (Postfix) id EFA09158D60B; Sat, 20 Apr 2019 12:56:40 +0000 (UTC) Delivered-To: gecko@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id DB5AD158D60A for ; Sat, 20 Apr 2019 12:56:40 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from mxrelay.ysv.freebsd.org (mxrelay.ysv.freebsd.org [IPv6:2001:1900:2254:206a::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) server-signature RSA-PSS (4096 bits) client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.ysv.freebsd.org", Issuer "Let's Encrypt Authority X3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 68352904C0 for ; Sat, 20 Apr 2019 12:56:40 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from kenobi.freebsd.org (kenobi.freebsd.org [IPv6:2001:1900:2254:206a::16:76]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mxrelay.ysv.freebsd.org (Postfix) with ESMTPS id AD9FA5770 for ; Sat, 20 Apr 2019 12:56:39 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from kenobi.freebsd.org ([127.0.1.118]) by kenobi.freebsd.org (8.15.2/8.15.2) with ESMTP id x3KCudm4045772 for ; Sat, 20 Apr 2019 12:56:39 GMT (envelope-from bugzilla-noreply@freebsd.org) Received: (from www@localhost) by kenobi.freebsd.org (8.15.2/8.15.2/Submit) id x3KCud0Y045770 for gecko@FreeBSD.org; Sat, 20 Apr 2019 12:56:39 GMT (envelope-from bugzilla-noreply@freebsd.org) X-Authentication-Warning: kenobi.freebsd.org: www set sender to bugzilla-noreply@freebsd.org using -f Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="UTF-8" From: bugzilla-noreply@freebsd.org To: gecko@FreeBSD.org Subject: maintainer-feedback requested: [Bug 237414] www/firefox-esr: navigator.userAgent is vulnerable to fingerprinting Date: Sat, 20 Apr 2019 12:56:39 +0000 X-Bugzilla-Type: request X-Bugzilla-Product: Ports & Packages X-Bugzilla-Component: Individual Port(s) X-Bugzilla-Version: Latest X-Bugzilla-Keywords: X-Bugzilla-Severity: Affects Many People X-Bugzilla-Who: X-Bugzilla-Status: New X-Bugzilla-Resolution: X-Bugzilla-Priority: --- X-Bugzilla-Assigned-To: gecko@FreeBSD.org X-Bugzilla-Flags: maintainer-feedback? Message-ID: In-Reply-To: References: X-Bugzilla-URL: https://bugs.freebsd.org/bugzilla/ Auto-Submitted: auto-generated MIME-Version: 1.0 X-BeenThere: freebsd-gecko@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Gecko Rendering Engine issues List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 20 Apr 2019 12:56:41 -0000 Bugzilla Automation has asked freebsd-gecko mailing = list for maintainer-feedback: Bug 237414: www/firefox-esr: navigator.userAgent is vulnerable to fingerprinting https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D237414 --- Description --- Having tested there: https://ghacksuserjs.github.io/TorZillaPrint/TorZillaPrint.html ----Output----- [header] http_user_agent=09 [navigator] userAgent Mozilla/5.0 (X11; FreeBSD i386; rv:60.0) Gecko/201001= 01 Firefox/60.0 [navigator] appCodeName Mozilla [navigator] appName Netscape [navigator] product Gecko [navigator] appVersion 5.0 (X11) [navigator] oscpu Windows NT 6.0; Win64; x64 [navigator] platform Win64 [navigator] buildID 20100101 [navigator] productSub 20100101 ---browser, version, os--- [css] browser=09 [error messages] browser Firefox --------- userAgent shows 'X11; FreeBSD i386' while oscpu seems to be faked to 'Windo= ws NT 6.0; Win64; x64' and ist as such not consistent. This is *very* bad as it makes one pretty unique for browser fingerprinting