fix buffer overflow in mifar ul load (flipperdevices#1697)

Co-authored-by: gornekich <[email protected]>
kevlacross · Sep 5, 2022 · 8d8481b · 8d8481b
1 parent 97b2726
commit 8d8481b
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/lib/nfc/nfc_device.c b/lib/nfc/nfc_device.c
@@ -195,6 +195,7 @@ bool nfc_device_load_mifare_ul_data(FlipperFormat* file, NfcDevice* dev) {
         }
         data->data_size = pages_total * 4;
         data->data_read = pages_read * 4;
+        if(data->data_size > MF_UL_MAX_DUMP_SIZE || data->data_read > MF_UL_MAX_DUMP_SIZE) break;
         bool pages_parsed = true;
         for(uint16_t i = 0; i < pages_total; i++) {
             string_printf(temp_str, "Page %d", i);