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From: Mark Felder <feld@FreeBSD.org>
Date: Tue, 30 Jul 2019 20:40:39 +0000 (UTC)
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Subject: svn commit: r507675 - head/security/vuxml
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Author: feld
Date: Tue Jul 30 20:40:39 2019
New Revision: 507675
URL: https://svnweb.freebsd.org/changeset/ports/507675

Log:
  Document FreeBSD-SA-19:12.telnet

Modified:
  head/security/vuxml/vuln.xml

Modified: head/security/vuxml/vuln.xml
==============================================================================
--- head/security/vuxml/vuln.xml	Tue Jul 30 20:39:58 2019	(r507674)
+++ head/security/vuxml/vuln.xml	Tue Jul 30 20:40:39 2019	(r507675)
@@ -58,6 +58,44 @@ Notes:
   * Do not forget port variants (linux-f10-libxml2, libxml2, etc.)
 -->
 <vuxml xmlns="http://www.vuxml.org/apps/vuxml-1">
+  <vuln vid="39f6cbff-b30a-11e9-a87f-a4badb2f4699">
+    <topic>FreeBSD -- telnet(1) client multiple vulnerabilities</topic>
+    <affects>
+      <package>
+	<name>FreeBSD</name>
+	<range><ge>12.0</ge><lt>12.0_8</lt></range>
+	<range><ge>11.2</ge><lt>11.2_12</lt></range>
+	<range><ge>11.3</ge><lt>11.3_1</lt></range>
+      </package>
+    </affects>
+    <description>
+      <body xmlns="http://www.w3.org/1999/xhtml">
+	<h1>Problem Description:</h1>
+	<p>Insufficient validation of environment variables in the
+	telnet client supplied in FreeBSD can lead to stack-based
+	buffer overflows. A stack- based overflow is present in the
+	handling of environment variables when connecting via the
+	telnet client to remote telnet servers.</p>
+	<p>This issue only affects the telnet client. Inbound telnet
+	sessions to telnetd(8) are not affected by this issue.</p>
+	<h1>Impact:</h1>
+	<p>These buffer overflows may be triggered when connecting
+	to a malicious server, or by an active attacker in the
+	network path between the client and server. Specially crafted
+	TELNET command sequences may cause the execution of arbitrary
+	code with the privileges of the user invoking telnet(1).</p>
+      </body>
+    </description>
+    <references>
+      <cvename>CVE-2019-0053</cvename>
+      <freebsdsa>SA-19:12.telnet</freebsdsa>
+    </references>
+    <dates>
+      <discovery>2019-07-24</discovery>
+      <entry>2019-07-30</entry>
+    </dates>
+  </vuln>
+
   <vuln vid="14a3b376-b30a-11e9-a87f-a4badb2f4699">
     <topic>FreeBSD -- Privilege escalation in cd(4) driver</topic>
     <affects>