From 24e5d7d5ae735b41beaaa7ef5feed845607c8280 Mon Sep 17 00:00:00 2001 From: Pieter Wuille Date: Sat, 24 Aug 2013 23:22:13 +0200 Subject: [PATCH] Fix out-of-bounds check --- src/main.cpp | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/src/main.cpp b/src/main.cpp index bef578a8..24fd1fad 100644 --- a/src/main.cpp +++ b/src/main.cpp @@ -2443,7 +2443,8 @@ bool AcceptBlock(CBlock& block, CValidationState& state, CDiskBlockPos* dbp) (TestNet() && CBlockIndex::IsSuperMajority(2, pindexPrev, 51, 100))) { CScript expect = CScript() << nHeight; - if (!std::equal(expect.begin(), expect.end(), block.vtx[0].vin[0].scriptSig.begin())) + if (block.vtx[0].vin[0].scriptSig.size() < expect.size() || + !std::equal(expect.begin(), expect.end(), block.vtx[0].vin[0].scriptSig.begin())) return state.DoS(100, error("AcceptBlock() : block height mismatch in coinbase")); } }