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fix(esp_wifi): Harden dpp Auth confirm and drop mismatched auth confirms

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This commit is contained in:
Shreyas Sheth
2026-08-06 16:35:32 +05:30
parent d41a3436b1
commit c32e45be83
3 changed files with 18 additions and 3 deletions
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2
components/esp_wifi/lib

Submodule components/esp_wifi/lib updated: b3074d18b3...f54999f6d0

13
components/wpa_supplicant/esp_supplicant/src/esp_dpp.c
View File

@@ -286,8 +286,12 @@ static void esp_dpp_rx_auth_conf(struct action_rx_param *rx_param, uint8_t *dpp_
if (os_memcmp(rx_param->sa, auth->peer_mac_addr, ETH_ALEN) != 0) {
wpa_printf(MSG_DEBUG, "DPP: MAC address mismatch (expected "
MACSTR ") - drop", MAC2STR(auth->peer_mac_addr));
rc = ESP_ERR_DPP_FAILURE;
goto fail;
return;
}
if (auth->auth_success || !auth->waiting_auth_conf) {
wpa_printf(MSG_DEBUG, "DPP: Not waiting for Auth Confirm - drop");
return;
}
eloop_cancel_timeout(esp_dpp_auth_conf_wait_timeout, NULL, NULL);
@@ -328,6 +332,11 @@ static esp_err_t esp_dpp_rx_peer_disc_resp(struct action_rx_param *rx_param)
return ESP_ERR_INVALID_ARG;
}
if (!auth) {
wpa_printf(MSG_DEBUG, "DPP: No DPP Authentication in progress - drop");
return ESP_OK;
}
if (rx_param->vendor_data_len < 2) {
wpa_printf(MSG_INFO, "DPP: Too short vendor specific data");
return ESP_FAIL;

6
components/wpa_supplicant/src/common/dpp.c
View File

@@ -2687,6 +2687,12 @@ int dpp_auth_conf_rx(struct dpp_authentication *auth, const u8 *hdr,
return -1;
}
if (!auth->waiting_auth_conf) {
wpa_printf(MSG_DEBUG,
"DPP: Not waiting for Auth Confirm - drop");
return -1;
}
auth->waiting_auth_conf = 0;
wrapped_data = dpp_get_attr(attr_start, attr_len, DPP_ATTR_WRAPPED_DATA,