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bitcoin-tx: Fix missing range check

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The number of arguments is not checked MutateTxAddOutAddr(..), meaning
that

> ./bitcoin-tx -create outaddr=

accessed the vStrInputParts vector beyond its bounds.

This also includes work by jnewbery to check the inputs for
MutateTxAddPubKey()
This commit is contained in:
Awemany 2017-03-28 14:52:59 +02:00 committed by John Newbery
parent 0b9fb68289
commit eb66bf9bdd
1 changed files with 6 additions and 0 deletions
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6
src/bitcoin-tx.cpp
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@ -242,6 +242,9 @@ static void MutateTxAddOutAddr(CMutableTransaction& tx, const std::string& strIn
std::vector<std::string> vStrInputParts;
boost::split(vStrInputParts, strInput, boost::is_any_of(":"));
if (vStrInputParts.size() != 2)
throw std::runtime_error("TX output missing or too many separators");
// Extract and validate VALUE
CAmount value = ExtractAndValidateValue(vStrInputParts[0]);
@ -264,6 +267,9 @@ static void MutateTxAddOutPubKey(CMutableTransaction& tx, const std::string& str
std::vector<std::string> vStrInputParts;
boost::split(vStrInputParts, strInput, boost::is_any_of(":"));
if (vStrInputParts.size() < 2 || vStrInputParts.size() > 3)
throw std::runtime_error("TX output missing or too many separators");
// Extract and validate VALUE
CAmount value = ExtractAndValidateValue(vStrInputParts[0]);