From: alex <alex@alex-VirtualBox.(none)>
Date: Tue, 27 Aug 2013 19:51:11 +0000 (+0400)
Subject: Fix coinbase out-of-bounds check
X-Git-Tag: v0.4.4.4~11
X-Git-Url: https://git.novaco.in/?p=novacoin.git;a=commitdiff_plain;h=b689daa957b87cd31b91ce7181e01ae722da6095;hp=85684d561fff0c83f57c4870af01a877c572d59c

Fix coinbase out-of-bounds check
---

diff --git a/src/main.cpp b/src/main.cpp
index 9a3dca1..332832e 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -2262,7 +2262,8 @@ bool CBlock::AcceptBlock()
 
     // Enforce rule that the coinbase starts with serialized block height
     CScript expect = CScript() << nHeight;
-    if (!std::equal(expect.begin(), expect.end(), vtx[0].vin[0].scriptSig.begin()))
+    if (vtx[0].vin[0].scriptSig.size() < expect.size() ||
+        !std::equal(expect.begin(), expect.end(), vtx[0].vin[0].scriptSig.begin()))
         return DoS(100, error("AcceptBlock() : block height mismatch in coinbase"));
 
     // Write block to history file