From owner-svn-ports-head@freebsd.org  Thu Mar  7 13:32:43 2019
Return-Path: <owner-svn-ports-head@freebsd.org>
Delivered-To: svn-ports-head@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 5F3D8152F667;
 Thu,  7 Mar 2019 13:32:43 +0000 (UTC) (envelope-from cy@FreeBSD.org)
Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org
 [IPv6:2610:1c1:1:606c::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.nyi.freebsd.org",
 Issuer "Let's Encrypt Authority X3" (verified OK))
 by mx1.freebsd.org (Postfix) with ESMTPS id 0332E85865;
 Thu,  7 Mar 2019 13:32:43 +0000 (UTC) (envelope-from cy@FreeBSD.org)
Received: from repo.freebsd.org (repo.freebsd.org
 [IPv6:2610:1c1:1:6068::e6a:0])
 (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits))
 (Client did not present a certificate)
 by mxrelay.nyi.freebsd.org (Postfix) with ESMTPS id D23821C60E;
 Thu,  7 Mar 2019 13:32:42 +0000 (UTC) (envelope-from cy@FreeBSD.org)
Received: from repo.freebsd.org ([127.0.1.37])
 by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id x27DWgOK024147;
 Thu, 7 Mar 2019 13:32:42 GMT (envelope-from cy@FreeBSD.org)
Received: (from cy@localhost)
 by repo.freebsd.org (8.15.2/8.15.2/Submit) id x27DWg7e024143;
 Thu, 7 Mar 2019 13:32:42 GMT (envelope-from cy@FreeBSD.org)
Message-Id: <201903071332.x27DWg7e024143@repo.freebsd.org>
X-Authentication-Warning: repo.freebsd.org: cy set sender to cy@FreeBSD.org
 using -f
From: Cy Schubert <cy@FreeBSD.org>
Date: Thu, 7 Mar 2019 13:32:42 +0000 (UTC)
To: ports-committers@freebsd.org, svn-ports-all@freebsd.org,
 svn-ports-head@freebsd.org
Subject: svn commit: r494940 - head/security/vuxml
X-SVN-Group: ports-head
X-SVN-Commit-Author: cy
X-SVN-Commit-Paths: head/security/vuxml
X-SVN-Commit-Revision: 494940
X-SVN-Commit-Repository: ports
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
X-Rspamd-Queue-Id: 0332E85865
X-Spamd-Bar: --
Authentication-Results: mx1.freebsd.org
X-Spamd-Result: default: False [-2.98 / 15.00];
 local_wl_from(0.00)[FreeBSD.org];
 NEURAL_HAM_MEDIUM(-1.00)[-1.000,0];
 NEURAL_HAM_SHORT(-0.98)[-0.981,0];
 ASN(0.00)[asn:11403, ipnet:2610:1c1:1::/48, country:US];
 NEURAL_HAM_LONG(-1.00)[-1.000,0]
X-BeenThere: svn-ports-head@freebsd.org
X-Mailman-Version: 2.1.29
Precedence: list
List-Id: SVN commit messages for the ports tree for head
 <svn-ports-head.freebsd.org>
List-Unsubscribe: <https://lists.freebsd.org/mailman/options/svn-ports-head>, 
 <mailto:svn-ports-head-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/svn-ports-head/>
List-Post: <mailto:svn-ports-head@freebsd.org>
List-Help: <mailto:svn-ports-head-request@freebsd.org?subject=help>
List-Subscribe: <https://lists.freebsd.org/mailman/listinfo/svn-ports-head>,
 <mailto:svn-ports-head-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Thu, 07 Mar 2019 13:32:43 -0000

Author: cy
Date: Thu Mar  7 13:32:42 2019
New Revision: 494940
URL: https://svnweb.freebsd.org/changeset/ports/494940

Log:
  Document crafted ull dereference ntp attack.
  
  Security:	CVE-2019-8936
  Obtained from:	nwtime.org

Modified:
  head/security/vuxml/vuln.xml

Modified: head/security/vuxml/vuln.xml
==============================================================================
--- head/security/vuxml/vuln.xml	Thu Mar  7 13:29:07 2019	(r494939)
+++ head/security/vuxml/vuln.xml	Thu Mar  7 13:32:42 2019	(r494940)
@@ -58,6 +58,55 @@ Notes:
   * Do not forget port variants (linux-f10-libxml2, libxml2, etc.)
 -->
 <vuxml xmlns="http://www.vuxml.org/apps/vuxml-1">
+  <vuln vid="c2576e14-36e2-11e9-9eda-206a8a720317">
+    <topic>ntp -- Crafted null dereference attack from a trusted source with an authenticated mode 6 packet</topic>
+    <affects>
+      <package>
+	<name>ntp</name>
+	<range><lt>4.2.8p13</lt></range>
+      </package>
+      <package>
+	<name>FreeBSD</name>
+	<range><ge>12.0</ge><lt>12.0_2</lt></range>
+	<range><ge>11.2</ge><lt>11.2_8</lt></range>
+      </package>
+    </affects>
+    <description>
+      <body xmlns="http://www.w3.org/1999/xhtml">
+	<p>Network Time Foundation reports:</p>
+	<blockquote cite="http://support.ntp.org/bin/view/Main/SecurityNotice#XXX-fill-this-in-XXX">
+	  <p>A crafted malicious authenticated mode 6 (ntpq) packet from a
+	  permitted network address can trigger a NULL pointer dereference,
+	  crashing ntpd.</p>
+	  <p>Note that for this attack to work, the sending
+	  system must be on an address that the target's ntpd accepts mode 6
+	  packets from, and must use a private key that is specifically
+	  listed as being used for mode 6 authorization.</p>
+	  <p>Impact: The ntpd daemon can crash due to the NULL pointer
+	  dereference, causing a denial of service.</p>
+	  <p>Mitigation:</p>
+	  <ul>
+	    <li>Use restrict noquery to limit addresses that can send mode 6
+	    queries.</li>
+	    <li>Limit access to the private controlkey in ntp.keys.</li>
+	    <li>Upgrade to 4.2.8p13, or later.</li>
+	  </ul>
+	</blockquote>
+      </body>
+    </description>
+    <references>
+      <url>http://bugs.ntp.org/3565</url>
+      <url>http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2019-8936</url>
+      <url>https://nvd.nist.gov/vuln-metrics/cvss/v2-calculator?vector=(AV:N/AC:H/Au:M/C:N/I:N/A:C)</url>
+      <url>https://nvd.nist.gov/vuln-metrics/cvss/v3-calculator?vector=AV:N/AC:H/PR:H/UI:R/S:U/C:N/I:N/A:H</url>
+      <cvename>CVE-2019-8936</cvename>
+    </references>
+    <dates>
+      <discovery>2019-01-15</discovery>
+      <entry>2019-03-07</entry>
+    </dates>
+  </vuln>
+
   <vuln vid="d193aa9f-3f8c-11e9-9a24-6805ca0b38e8">
     <topic>rssh - multiple vulnerabilities</topic>
     <affects>