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bitcoin-tx: Reject non-integral and out of range multisig numbers

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This commit is contained in:
MarcoFalke
2021-10-11 14:33:38 +02:00
parent fafab8ea5e
commit fa6f29de51
2 changed files with 14 additions and 2 deletions
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4
src/bitcoin-tx.cpp
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@ -363,10 +363,10 @@ static void MutateTxAddOutMultiSig(CMutableTransaction& tx, const std::string& s
CAmount value = ExtractAndValidateValue(vStrInputParts[0]);
// Extract REQUIRED
uint32_t required = stoul(vStrInputParts[1]);
const uint32_t required{TrimAndParse<uint32_t>(vStrInputParts.at(1), "invalid multisig required number")};
// Extract NUMKEYS
uint32_t numkeys = stoul(vStrInputParts[2]);
const uint32_t numkeys{TrimAndParse<uint32_t>(vStrInputParts.at(2), "invalid multisig total number")};
// Validate there are the correct number of pubkeys
if (vStrInputParts.size() < numkeys + 3)