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fix memory overflow in hf mf nested (issue #479)

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This commit is contained in:
pwpiwi 2017-11-12 18:08:57 +01:00
parent c3511781a1
commit e537c3e894
1 changed files with 2 additions and 3 deletions
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5
client/cmdhfmf.c
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@ -527,7 +527,6 @@ int CmdHF14AMfRestore(const char *Cmd)
//----------------------------------------------
// Nested
//----------------------------------------------
# define NESTED_KEY_COUNT 15
static void parseParamTDS(const char *Cmd, const uint8_t indx, bool *paramT, bool *paramD, uint8_t *timeout) {
char ctmp3[3] = {0};
@ -563,7 +562,7 @@ int CmdHF14AMfNested(const char *Cmd)
uint8_t trgKeyType = 0;
uint8_t SectorsCnt = 0;
uint8_t key[6] = {0, 0, 0, 0, 0, 0};
uint8_t keyBlock[NESTED_KEY_COUNT * 6];
uint8_t keyBlock[MifareDefaultKeysSize * 6];
uint64_t key64 = 0;
// timeout in units. (ms * 106)/10 or us*0.0106
uint8_t btimeout14a = MF_CHKKEYS_DEFTIMEOUT; // fast by default
@ -713,7 +712,7 @@ int CmdHF14AMfNested(const char *Cmd)
}
PrintAndLog("Testing known keys. Sector count=%d", SectorsCnt);
mfCheckKeysSec(SectorsCnt, 2, btimeout14a, true, NESTED_KEY_COUNT, keyBlock, e_sector);
mfCheckKeysSec(SectorsCnt, 2, btimeout14a, true, MifareDefaultKeysSize, keyBlock, e_sector);
// get known key from array
bool keyFound = false;