path: root/radius_example/README
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authorJouni Malinen <j@w1.fi>2012-10-07 17:06:29 (GMT)
committerJouni Malinen <j@w1.fi>2012-10-07 18:12:49 (GMT)
commitc7194749735849b146fbdf14ea349799e8189897 (patch)
tree50ea01de44179727291984b6a6f688aab8fc61ef /radius_example/README
parent1ab0b31aa626b6cb330628e7a281c5771dd5b851 (diff)
EAP-TLS server: Fix TLS Message Length validationHEADmaster
EAP-TLS/PEAP/TTLS/FAST server implementation did not validate TLS Message Length value properly and could end up trying to store more information into the message buffer than the allocated size if the first fragment is longer than the indicated size. This could result in hostapd process terminating in wpabuf length validation. Fix this by rejecting messages that have invalid TLS Message Length value. This would affect cases that use the internal EAP authentication server in hostapd either directly with IEEE 802.1X or when using hostapd as a RADIUS authentication server and when receiving an incorrectly constructed EAP-TLS message. Cases where hostapd uses an external authentication are not affected. Thanks to Timo Warns for finding and reporting this issue. Signed-hostap: Jouni Malinen <j@w1.fi> intended-for: hostap-1 (cherry picked from commit 586c446e0ff42ae00315b014924ec669023bd8de) (cherry picked from commit f3043318970a98c98e968ed17b3e2f49dc42c646) Conflicts: src/eap_server/eap_tls_common.c
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