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nem: check length in layoutNEMTransferPayload

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Pavol Rusnak 2018-05-25 16:34:06 +02:00
parent 1f470cf1f1
commit 0ae5e91fcb
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GPG Key ID: 91F3B339B9A02A3D
1 changed files with 1 additions and 1 deletions
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firmware/layout2.c
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@ -759,7 +759,7 @@ void layoutNEMTransferUnknownMosaic(const char *namespace, const char *mosaic, u
} }
void layoutNEMTransferPayload(const uint8_t *payload, size_t length, bool encrypted) { void layoutNEMTransferPayload(const uint8_t *payload, size_t length, bool encrypted) {
if (payload[0] == 0xFE) { if (length >= 1 && payload[0] == 0xFE) {
char encoded[(length - 1) * 2 + 1]; char encoded[(length - 1) * 2 + 1];
data2hex(&payload[1], length - 1, encoded); data2hex(&payload[1], length - 1, encoded);