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Add length check for CExtKey deserialization

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Jonas Schnelli 2017-08-17 21:54:23 +02:00
parent 22e301a3d5
commit 07685d1bc1
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1 changed files with 2 additions and 0 deletions
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src/key.h
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@ -172,6 +172,8 @@ struct CExtKey {
{ {
unsigned int len = ::ReadCompactSize(s); unsigned int len = ::ReadCompactSize(s);
unsigned char code[BIP32_EXTKEY_SIZE]; unsigned char code[BIP32_EXTKEY_SIZE];
if (len != BIP32_EXTKEY_SIZE)
throw std::runtime_error("Invalid extended key size\n");
s.read((char *)&code[0], len); s.read((char *)&code[0], len);
Decode(code); Decode(code);
} }