svn commit: r455671 - head/security/vuxml

Wed Dec 6 18:29:52 UTC 2017

Author: feld
Date: Wed Dec  6 18:29:50 2017
New Revision: 455671
URL: https://svnweb.freebsd.org/changeset/ports/455671

Log:
  Document FreeBSD-SA-17:09.shm

Modified:
  head/security/vuxml/vuln.xml

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

--- head/security/vuxml/vuln.xml	Wed Dec  6 18:29:05 2017	(r455670)
+++ head/security/vuxml/vuln.xml	Wed Dec  6 18:29:50 2017	(r455671)
@@ -58,6 +58,42 @@ Notes:
   * Do not forget port variants (linux-f10-libxml2, libxml2, etc.)
 -->
 <vuxml xmlns="http://www.vuxml.org/apps/vuxml-1">
+  <vuln vid="5b1463dd-dab3-11e7-b5af-a4badb2f4699">
+    <topic>FreeBSD -- POSIX shm allows jails to access global namespace</topic>
+    <affects>
+      <package>
+	<name>FreeBSD-kernel</name>
+	<range><ge>10.4</ge><lt>10.4_3</lt></range>
+	<range><ge>10.3</ge><lt>10.3_24</lt></range>
+      </package>
+    </affects>
+    <description>
+      <body xmlns="http://www.w3.org/1999/xhtml">
+	<h1>Problem Description:</h1>
+	<p>Named paths are globally scoped, meaning a process located
+	in one jail can read and modify the content of POSIX shared
+	memory objects created by a process in another jail or the
+	host system.</p>
+	<h1>Impact:</h1>
+	<p>A malicious user that has access to a jailed system is
+	able to abuse shared memory by injecting malicious content
+	in the shared memory region. This memory region might be
+	executed by applications trusting the shared memory, like
+	Squid.</p>
+	<p>This issue could lead to a Denial of Service or local
+	privilege escalation.</p>
+      </body>
+    </description>
+    <references>
+      <cvename>CVE-2017-1087</cvename>
+      <freebsdsa>SA-17:09.shm</freebsdsa>
+    </references>
+    <dates>
+      <discovery>2017-11-15</discovery>
+      <entry>2017-12-06</entry>
+    </dates>
+  </vuln>
+
   <vuln vid="34a3f9b5-dab3-11e7-b5af-a4badb2f4699">
     <topic>FreeBSD -- Kernel data leak via ptrace(PT_LWPINFO)</topic>
     <affects>
