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From: "Tobias C. Berner" <tcberner@FreeBSD.org>
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Subject: svn commit: r554670 - head/security/vuxml
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Author: tcberner
Date: Mon Nov  9 05:28:05 2020
New Revision: 554670
URL: https://svnweb.freebsd.org/changeset/ports/554670

Log:
  Document vulnerability in textproc/raptor2
  
  From [1], [2], [3]:
  raptor_xml_writer_start_element_common in raptor_xml_writer.c in Raptor RDF
  Syntax Library 2.0.15 miscalculates the maximum nspace declarations for the XML
  writer, leading to heap-based buffer overflows (sometimes seen in
  raptor_qname_format_as_xml).
  
  [1] https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-18926
  [2] https://www.debian.org/security/2020/dsa-4785
  [3] https://www.openwall.com/lists/oss-security/2017/06/07/1
  
  PR:		250971
  Security:	CVE-2017-18926

Modified:
  head/security/vuxml/vuln.xml

Modified: head/security/vuxml/vuln.xml
==============================================================================
--- head/security/vuxml/vuln.xml	Mon Nov  9 05:07:47 2020	(r554669)
+++ head/security/vuxml/vuln.xml	Mon Nov  9 05:28:05 2020	(r554670)
@@ -58,6 +58,35 @@ Notes:
   * Do not forget port variants (linux-f10-libxml2, libxml2, etc.)
 -->
 <vuxml xmlns="http://www.vuxml.org/apps/vuxml-1">
+  <vuln vid="07c7ae7a-224b-11eb-aa6e-e0d55e2a8bf9">
+    <topic>raptor2 -- buffer overflow</topic>
+    <affects>
+      <package>
+	<name>raptor2</name>
+	<range><lt>2.0.15_16</lt></range>
+      </package>
+    </affects>
+    <description>
+      <body xmlns="http://www.w3.org/1999/xhtml">
+	<p>CVE MITRE reports:</p>
+	<blockquote cite="https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-18926">
+	  <p>
+	    raptor_xml_writer_start_element_common in raptor_xml_writer.c in Raptor RDF Syntax Library 2.0.15 miscalculates the maximum nspace declarations for the XML writer, leading to heap-based buffer overflows (sometimes seen in raptor_qname_format_as_xml).
+	  </p>
+	</blockquote>
+      </body>
+    </description>
+    <references>
+      <url>https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-18926</url>
+      <url>https://github.com/LibreOffice/core/blob/master/external/redland/raptor/0001-Calcualte-max-nspace-declarations-correctly-for-XML-.patch.1</url>
+      <cvename>2017-18926</cvename>
+    </references>
+    <dates>
+      <discovery>2017-04-16</discovery>
+      <entry>2020-11-09</entry>
+    </dates>
+  </vuln>
+
   <vuln vid="cf39ddf8-21be-11eb-8b47-641c67a117d8">
     <topic>jupyter notebook -- open redirect vulnerability</topic>
     <affects>