{"id":"UBUNTU-CVE-2019-13456","details":"In FreeRADIUS 3.0 through 3.0.19, on average 1 in every 2048 EAP-pwd handshakes fails because the password element cannot be found within 10 iterations of the hunting and pecking loop. This leaks information that an attacker can use to recover the password of any user. This information leakage is similar to the \"Dragonblood\" attack and CVE-2019-9494.","modified":"2025-07-16T07:53:04.013798Z","published":"2019-12-03T20:15:00Z","withdrawn":"2025-07-18T16:45:11Z","upstream":["CVE-2019-13456"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2019-13456"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=1737663"},{"type":"REPORT","url":"https://wpa3.mathyvanhoef.com/#new"},{"type":"REPORT","url":"https://github.com/FreeRADIUS/freeradius-server/commit/a99746c93b8b3ae3be367af0e46f0d6a9626f566"},{"type":"REPORT","url":"https://github.com/FreeRADIUS/freeradius-server/commit/85497b5ff37ccb656895b826b88585898c209586"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2019-13456"}],"affected":[{"package":{"name":"freeradius","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/freeradius@3.0.16+dfsg-1ubuntu3.1?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.0.16+dfsg-1ubuntu3.1"}]}],"versions":["3.0.15+dfsg-1ubuntu2","3.0.16+dfsg-1ubuntu2","3.0.16+dfsg-1ubuntu3"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"freeradius","binary_version":"3.0.16+dfsg-1ubuntu3.1"},{"binary_name":"freeradius-common","binary_version":"3.0.16+dfsg-1ubuntu3.1"},{"binary_name":"freeradius-config","binary_version":"3.0.16+dfsg-1ubuntu3.1"},{"binary_name":"freeradius-dbgsym","binary_version":"3.0.16+dfsg-1ubuntu3.1"},{"binary_name":"freeradius-dhcp","binary_version":"3.0.16+dfsg-1ubuntu3.1"},{"binary_name":"freeradius-dhcp-dbgsym","binary_version":"3.0.16+dfsg-1ubuntu3.1"},{"binary_name":"freeradius-iodbc","binary_version":"3.0.16+dfsg-1ubuntu3.1"},{"binary_name":"freeradius-iodbc-dbgsym","binary_version":"3.0.16+dfsg-1ubuntu3.1"},{"binary_name":"freeradius-krb5","binary_version":"3.0.16+dfsg-1ubuntu3.1"},{"binary_name":"freeradius-krb5-dbgsym","binary_version":"3.0.16+dfsg-1ubuntu3.1"},{"binary_name":"freeradius-ldap","binary_version":"3.0.16+dfsg-1ubuntu3.1"},{"binary_name":"freeradius-ldap-dbgsym","binary_version":"3.0.16+dfsg-1ubuntu3.1"},{"binary_name":"freeradius-memcached","binary_version":"3.0.16+dfsg-1ubuntu3.1"},{"binary_version":"3.0.16+dfsg-1ubuntu3.1","binary_name":"freeradius-memcached-dbgsym"},{"binary_name":"freeradius-mysql","binary_version":"3.0.16+dfsg-1ubuntu3.1"},{"binary_name":"freeradius-mysql-dbgsym","binary_version":"3.0.16+dfsg-1ubuntu3.1"},{"binary_name":"freeradius-postgresql","binary_version":"3.0.16+dfsg-1ubuntu3.1"},{"binary_name":"freeradius-postgresql-dbgsym","binary_version":"3.0.16+dfsg-1ubuntu3.1"},{"binary_name":"freeradius-redis","binary_version":"3.0.16+dfsg-1ubuntu3.1"},{"binary_name":"freeradius-redis-dbgsym","binary_version":"3.0.16+dfsg-1ubuntu3.1"},{"binary_name":"freeradius-rest","binary_version":"3.0.16+dfsg-1ubuntu3.1"},{"binary_name":"freeradius-rest-dbgsym","binary_version":"3.0.16+dfsg-1ubuntu3.1"},{"binary_name":"freeradius-utils","binary_version":"3.0.16+dfsg-1ubuntu3.1"},{"binary_name":"freeradius-utils-dbgsym","binary_version":"3.0.16+dfsg-1ubuntu3.1"},{"binary_name":"freeradius-yubikey","binary_version":"3.0.16+dfsg-1ubuntu3.1"},{"binary_name":"freeradius-yubikey-dbgsym","binary_version":"3.0.16+dfsg-1ubuntu3.1"},{"binary_name":"libfreeradius-dev","binary_version":"3.0.16+dfsg-1ubuntu3.1"},{"binary_name":"libfreeradius3","binary_version":"3.0.16+dfsg-1ubuntu3.1"},{"binary_name":"libfreeradius3-dbgsym","binary_version":"3.0.16+dfsg-1ubuntu3.1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2019/UBUNTU-CVE-2019-13456.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"},{"type":"Ubuntu","score":"medium"}]}