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Merge branch 'bugfix/owe_assoc_resp_fail_v5.1' into 'master'

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Fix association response processing in OWE

See merge request espressif/esp-idf!23099
This commit is contained in:
Jiang Jiang Jian 2023-04-07 20:06:23 +08:00
commit 420ebd208a
1 changed files with 11 additions and 3 deletions
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14
components/wpa_supplicant/src/rsn_supp/wpa.c
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@ -53,7 +53,7 @@
struct wpa_sm gWpaSm;
/* fix buf for tx for now */
#define WPA_TX_MSG_BUFF_MAXLEN 200
#define MIN_DH_LEN 4
#define MIN_DH_LEN(len) (len < 4)
#define ASSOC_IE_LEN 24 + 2 + PMKID_LEN + RSN_SELECTOR_LEN
#define MAX_EAPOL_RETRIES 3
@ -2833,12 +2833,20 @@ int owe_process_assoc_resp(const u8 *rsn_ie, size_t rsn_len, const uint8_t *dh_i
if (rsn_ie && rsn_len && wpa_parse_wpa_ie_rsn(rsn_ie, rsn_len + 2, parsed_rsn_data) != 0) {
goto fail;
}
if (!dh_ie || dh_len < MIN_DH_LEN || parsed_rsn_data->num_pmkid == 0) {
wpa_printf(MSG_ERROR, "OWE: Invalid parameter");
if (dh_ie && MIN_DH_LEN(dh_len)) {
wpa_printf(MSG_ERROR, "OWE: Invalid Diffie Hellman IE");
goto fail;
}
if (!dh_ie && parsed_rsn_data->num_pmkid == 0) {
wpa_printf(MSG_ERROR, "OWE: Assoc response should either have pmkid or DH IE");
goto fail;
}
if (!sm->cur_pmksa) { /* No PMK caching */
if (dh_ie == NULL) {
goto fail;
}
dh_len += 2;
dh_ie += 3;