svn commit: r434566 - head/security/vuxml

Wed Feb 22 04:48:14 UTC 2017

Author: junovitch
Date: Wed Feb 22 04:48:12 2017
New Revision: 434566
URL: https://svnweb.freebsd.org/changeset/ports/434566

Log:
  Document Xen Security Advisory (XSA 209)
  
  Reported by:	royger
  Security:	CVE-2017-2620
  Security:	https://vuxml.FreeBSD.org/freebsd/8cbd9c08-f8b9-11e6-ae1b-002590263bf5.html

Modified:
  head/security/vuxml/vuln.xml

Modified: head/security/vuxml/vuln.xml
==============================================================================

--- head/security/vuxml/vuln.xml	Wed Feb 22 04:41:19 2017	(r434565)
+++ head/security/vuxml/vuln.xml	Wed Feb 22 04:48:12 2017	(r434566)
@@ -58,6 +58,36 @@ Notes:
   * Do not forget port variants (linux-f10-libxml2, libxml2, etc.)
 -->
 <vuxml xmlns="http://www.vuxml.org/apps/vuxml-1">
+  <vuln vid="8cbd9c08-f8b9-11e6-ae1b-002590263bf5">
+    <topic>xen-tools -- cirrus_bitblt_cputovideo does not check if memory region is safe</topic>
+    <affects>
+      <package>
+	<name>xen-tools</name>
+	<range><lt>4.7.1_4</lt></range>
+      </package>
+    </affects>
+    <description>
+      <body xmlns="http://www.w3.org/1999/xhtml">
+	<p>The Xen Project reports:</p>
+	<blockquote cite="http://xenbits.xen.org/xsa/advisory-209.html">
+	  <p>In CIRRUS_BLTMODE_MEMSYSSRC mode the bitblit copy routine
+	    cirrus_bitblt_cputovideo fails to check wethehr the specified
+	    memory region is safe. A malicious guest administrator can cause
+	    an out of bounds memory write, very likely exploitable as a
+	    privilege escalation.</p>
+	</blockquote>
+      </body>
+    </description>
+    <references>
+      <cvename>CVE-2017-2620</cvename>
+      <url>http://xenbits.xen.org/xsa/advisory-209.html</url>
+    </references>
+    <dates>
+      <discovery>2017-02-21</discovery>
+      <entry>2017-02-22</entry>
+    </dates>
+  </vuln>
+
   <vuln vid="786a7d87-f826-11e6-9436-14dae9d5a9d2">
     <topic>fbsdmon -- information disclosure vulnerability</topic>
     <affects>
