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Several ASN decoder fixes

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See ZD 12349
This commit is contained in:
Guido Vranken
2021-05-26 20:15:32 +02:00
parent 956a0f2b5f
commit cfef249041
1 changed files with 6 additions and 0 deletions
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6
wolfcrypt/src/asn.c
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@ -17211,12 +17211,16 @@ static int DecodeSingleResponse(byte* source, word32* ioIndex, word32 size,
ret = GetOctetString(source, &idx, &length, size); ret = GetOctetString(source, &idx, &length, size);
if (ret < 0) if (ret < 0)
return ret; return ret;
if (length > (int)sizeof(single->issuerHash))
return BUFFER_E;
XMEMCPY(single->issuerHash, source + idx, length); XMEMCPY(single->issuerHash, source + idx, length);
idx += length; idx += length;
/* Save reference to the hash of the issuer public key */ /* Save reference to the hash of the issuer public key */
ret = GetOctetString(source, &idx, &length, size); ret = GetOctetString(source, &idx, &length, size);
if (ret < 0) if (ret < 0)
return ret; return ret;
if (length > (int)sizeof(single->issuerKeyHash))
return BUFFER_E;
XMEMCPY(single->issuerKeyHash, source + idx, length); XMEMCPY(single->issuerKeyHash, source + idx, length);
idx += length; idx += length;
@ -17468,8 +17472,10 @@ static int DecodeResponseData(byte* source,
if (single->next == NULL) { if (single->next == NULL) {
return MEMORY_E; return MEMORY_E;
} }
CertStatus* status = single->status;
single = single->next; single = single->next;
XMEMSET(single, 0, sizeof(OcspEntry)); XMEMSET(single, 0, sizeof(OcspEntry));
single->status = status;
single->isDynamic = 1; single->isDynamic = 1;
} }
} }