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iso15693tools: fix buffer overflow

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This commit is contained in:
Philippe Teuwen 2019-03-12 19:31:25 +01:00
parent 049f41a22f
commit c147b434a2
1 changed files with 2 additions and 1 deletions
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3
common/iso15693tools.c
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@ -14,9 +14,10 @@
// return: ptr to string
char *Iso15693sprintUID(char *target, uint8_t *uid) {
static char tempbuf[2 * 8 + 1] = {0};
static char tempbuf[3 * 8 + 1] = {0};
if (target == NULL)
target = tempbuf;
sprintf(target, "%02X %02X %02X %02X %02X %02X %02X %02X",
uid[7], uid[6], uid[5], uid[4],
uid[3], uid[2], uid[1], uid[0]