fusee: fix stack oob read

This commit is contained in:
Michael Scire 2019-01-30 21:56:33 -08:00
parent bdfd7946e3
commit 6c41e105c4

View file

@ -411,7 +411,7 @@ uint32_t nxboot_main(void) {
/* Get the TSEC keys. */
uint8_t tsec_key[0x10] = {0};
uint8_t tsec_root_key[0x10] = {0};
uint8_t tsec_root_keys[0x20][0x10] = {0};
if (target_firmware >= ATMOSPHERE_TARGET_FIRMWARE_700) {
/* TODO: what to do here? */
if (tsec_get_key(tsec_key, 1, tsec_fw, tsec_fw_size) != 0) {
@ -425,7 +425,7 @@ uint32_t nxboot_main(void) {
/* Copy back the keys. */
memcpy((void *)tsec_key, (void *)tsec_keys, 0x10);
memcpy((void *)tsec_root_key, (void *)tsec_keys + 0x10, 0x10);
memcpy((void *)tsec_root_keys, (void *)tsec_keys + 0x10, 0x10);
} else {
/* Run the TSEC payload and get the key. */
if (tsec_get_key(tsec_key, 1, tsec_fw, tsec_fw_size) != 0) {
@ -435,7 +435,7 @@ uint32_t nxboot_main(void) {
/* Derive keydata. */
unsigned int keygen_type = 0;
if (derive_nx_keydata(target_firmware, g_keyblobs, available_revision, tsec_key, tsec_root_key, &keygen_type) != 0) {
if (derive_nx_keydata(target_firmware, g_keyblobs, available_revision, tsec_key, tsec_root_keys, &keygen_type) != 0) {
fatal_error("[NXBOOT]: Key derivation failed!\n");
}