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From: Niclas Zeising <zeising@FreeBSD.org>
Date: Thu, 21 Mar 2019 02:03:35 +0000 (UTC)
To: ports-committers@freebsd.org, svn-ports-all@freebsd.org,
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Subject: svn commit: r496407 - head/security/vuxml
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Author: zeising
Date: Thu Mar 21 02:03:34 2019
New Revision: 496407
URL: https://svnweb.freebsd.org/changeset/ports/496407

Log:
  Add entry for x11/libXdmcp vulnerabilty.
  
  Add entry for x11/libXdmcp vulnerabilty, insufficient entripy generating
  session keys.  It is unknown if this actually affects FreeBSD.
  
  Security:	CVE-2017-2625

Modified:
  head/security/vuxml/vuln.xml

Modified: head/security/vuxml/vuln.xml
==============================================================================
--- head/security/vuxml/vuln.xml	Thu Mar 21 00:48:30 2019	(r496406)
+++ head/security/vuxml/vuln.xml	Thu Mar 21 02:03:34 2019	(r496407)
@@ -58,6 +58,39 @@ Notes:
   * Do not forget port variants (linux-f10-libxml2, libxml2, etc.)
 -->
 <vuxml xmlns="http://www.vuxml.org/apps/vuxml-1">
+  <vuln vid="1b6a10e9-4b7b-11e9-9e89-54e1ad3d6335">
+    <topic>libXdmcp -- insufficient entropy generating session keys</topic>
+    <affects>
+      <package>
+	<name>libXdmcp</name>
+	<range><lt>1.1.3</lt></range>
+      </package>
+    </affects>
+    <description>
+      <body xmlns="http://www.w3.org/1999/xhtml">
+	<p>The freedesktop and x.org project reports:</p>
+	<blockquote cite="https://nvd.nist.gov/vuln/detail/CVE-2017-2625">
+	  <p>It was discovered that libXdmcp before 1.1.3 including used weak
+	    entropy to generate session keys. On a multi-user system using
+	    xdmcp, a local attacker could potentially use information available
+	    from the process list to brute force the key, allowing them to
+	    hijack other users' sessions.</p>
+	  <p>Please note, that since FreeBSD provides arc4random_buf(), it is
+	    unknown if FreeBSD is affected by this vulnerability</p>
+	</blockquote>
+      </body>
+    </description>
+    <references>
+      <url>https://nvd.nist.gov/vuln/detail/CVE-2017-2625</url>
+      <url>https://lists.x.org/archives/xorg-announce/2019-March/002974.html</url>
+      <cvename>CVE-2017-2625</cvename>
+    </references>
+    <dates>
+      <discovery>2017-04-04</discovery>
+      <entry>2019-03-21</entry>
+    </dates>
+  </vuln>
+
   <vuln vid="7ba5a3d0-4b18-11e9-adcb-001b217b3468">
     <topic>Gitlab -- Vulnerability</topic>
     <affects>