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Fixed bug in DecodeAltNames() where idx wasn't advanced past the length.

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John Safranek
2013-07-05 10:10:38 -07:00
parent 705aa0f453
commit b66cb11cb8
1 changed files with 3 additions and 0 deletions
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3
ctaocrypt/src/asn.c
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@@ -2374,6 +2374,7 @@ static void DecodeAltNames(byte* input, int sz, DecodedCert* cert)
while (length > 0) { while (length > 0) {
DNS_entry* entry; DNS_entry* entry;
int strLen; int strLen;
word lenStartIdx;
byte b = input[idx++]; byte b = input[idx++];
length--; length--;
@@ -2383,10 +2384,12 @@ static void DecodeAltNames(byte* input, int sz, DecodedCert* cert)
return; return;
} }
lenStartIdx = idx;
if (GetLength(input, &idx, &strLen, sz) < 0) { if (GetLength(input, &idx, &strLen, sz) < 0) {
CYASSL_MSG("\tfail: str length"); CYASSL_MSG("\tfail: str length");
return; return;
} }
length -= (idx - lenStartIdx);
entry = (DNS_entry*)XMALLOC(sizeof(DNS_entry), cert->heap, entry = (DNS_entry*)XMALLOC(sizeof(DNS_entry), cert->heap,
DYNAMIC_TYPE_ALTNAME); DYNAMIC_TYPE_ALTNAME);