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-rw-r--r--wpa_supplicant/wps_supplicant.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/wpa_supplicant/wps_supplicant.c b/wpa_supplicant/wps_supplicant.c
index 41aa5db..ddd400b 100644
--- a/wpa_supplicant/wps_supplicant.c
+++ b/wpa_supplicant/wps_supplicant.c
@@ -256,6 +256,15 @@ static int wpa_supplicant_wps_cred(void *ctx,
return 0;
}
+ if (auth_type == WPS_AUTH_WPAPSK || auth_type == WPS_AUTH_WPA2PSK) {
+ if (cred->key_len < 8 || cred->key_len > 2 * PMK_LEN) {
+ wpa_printf(MSG_ERROR, "WPS: Reject PSK credential with "
+ "invalid Network Key length %lu",
+ (unsigned long) cred->key_len);
+ return -1;
+ }
+ }
+
if (ssid && (ssid->key_mgmt & WPA_KEY_MGMT_WPS)) {
wpa_printf(MSG_DEBUG, "WPS: Replace WPS network block based "
"on the received credential");