Date: Tue, 23 Apr 2019 03:03:30 +0000 (UTC) From: Cy Schubert <cy@FreeBSD.org> To: ports-committers@freebsd.org, svn-ports-all@freebsd.org, svn-ports-head@freebsd.org Subject: svn commit: r499708 - head/security/vuxml Message-ID: <201904230303.x3N33UJU047852@repo.freebsd.org>
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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>
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