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openSUSE:Evergreen:11.4
hostapd
hostapd_eap_tls_msg_len_validation.diff
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File hostapd_eap_tls_msg_len_validation.diff of Package hostapd
diff --git a/src/eap_server/eap_tls_common.c b/src/eap_server/eap_tls_common.c index bda1184..19b8d05 100644 --- a/src/eap_server/eap_tls_common.c +++ b/src/eap_server/eap_tls_common.c @@ -221,6 +221,14 @@ static int eap_server_tls_process_fragment(struct eap_ssl_data *data, return -1; } + if (len > message_length) { + wpa_printf(MSG_INFO, "SSL: Too much data (%d bytes) in " + "first fragment of frame (TLS Message " + "Length %d bytes)", + (int) len, (int) message_length); + return -1; + } + data->in_buf = wpabuf_alloc(message_length); if (data->in_buf == NULL) { wpa_printf(MSG_DEBUG, "SSL: No memory for message");
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