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From: Cy Schubert <cy@FreeBSD.org>
Date: Tue, 23 Apr 2019 03:03:30 +0000 (UTC)
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Subject: svn commit: r499708 - head/security/vuxml
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Author: cy
Date: Tue Apr 23 03:03:29 2019
New Revision: 499708
URL: https://svnweb.freebsd.org/changeset/ports/499708

Log:
  Document wpa_supplicant/hostapd EAP-pwd side-channel attack.
  CVE-2019-9495 (cache attack against EAP-pwd)
  
  Security:	CVE-2019-9495,
  	https://w1.fi/security/2019-2/eap-pwd-side-channel-attack.txt

Modified:
  head/security/vuxml/vuln.xml

Modified: head/security/vuxml/vuln.xml
==============================================================================
--- head/security/vuxml/vuln.xml	Tue Apr 23 03:03:24 2019	(r499707)
+++ head/security/vuxml/vuln.xml	Tue Apr 23 03:03:29 2019	(r499708)
@@ -58,6 +58,54 @@ Notes:
   * Do not forget port variants (linux-f10-libxml2, libxml2, etc.)
 -->
 <vuxml xmlns="http://www.vuxml.org/apps/vuxml-1">
+  <vuln vid="60129efe-656d-11e9-8e67-206a8a720317">
+    <topic>FreeBSD -- EAP-pwd side-channel attack</topic>
+    <affects>
+      <package>
+	<name>FreeBSD</name>
+	<range><ge>12.0</ge><lt>12.0_3</lt></range>
+	<range><ge>11.2</ge><lt>11.2_9</lt></range>
+      </package>
+      <package>
+	<name>wpa_supplicant</name>
+	<range><lt>2.8</lt></range>
+      </package>
+      <package>
+	<name>hostapd</name>
+	<range><lt>2.8</lt></range>
+      </package>
+    </affects>
+    <description>
+      <body xmlns="http://www.w3.org/1999/xhtml">
+	<h1>Problem Description:</h1>
+	<p>Potential side channel attacks in the SAE implementations used
+	by both hostapd and wpa_supplicant (see CVE-2019-9494 and VU#871675).
+	EAP-pwd uses a similar design for deriving PWE from the password and
+	while a specific attack against EAP-pwd is not yet known to be tested,
+	there is no reason to believe that the EAP-pwd implementation would
+	be immune against the type of cache attack that was identified for the
+	SAE implementation. Since the EAP-pwd implementation in hostapd (EAP
+	server) and wpa_supplicant (EAP peer) does not support MODP groups,
+	the timing attack described against SAE is not applicable for the
+	EAP-pwd implementation.</p>
+	<p>See
+	https://w1.fi/security/2019-2/eap-pwd-side-channel-attack.txt
+	for a detailed description of the bug.</p>
+	<h1>Impact:</h1>
+	<p>All wpa_supplicant and hostapd versions with EAP-pwd support
+	(CONFIG_EAP_PWD=y in the build configuration and EAP-pwd being enabled
+	in the runtime configuration).</p>
+      </body>
+    </description>
+    <references>
+      <cvename>CVE-2019-9495</cvename>
+    </references>
+    <dates>
+      <discovery>2019-04-10</discovery>
+      <entry>2019-04-23</entry>
+    </dates>
+  </vuln>
+
   <vuln vid="7e53f9cc-656d-11e9-8e67-206a8a720317">
     <topic>FreeBSD -- SAE side-channel attacks</topic>
     <affects>