From d1591853bf0df9a278420e874b7d8dd03966b66d Mon Sep 17 00:00:00 2001
From: moneromooo-monero <moneromooo-monero@users.noreply.github.com>
Date: Tue, 24 Jul 2018 21:32:49 +0100
Subject: [PATCH] cryptonote_basic: check output type before using it

Reported by QuarksLab.
---
 src/cryptonote_basic/cryptonote_format_utils.cpp | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/cryptonote_basic/cryptonote_format_utils.cpp b/src/cryptonote_basic/cryptonote_format_utils.cpp
index f1a5c4d94..9061bf105 100644
--- a/src/cryptonote_basic/cryptonote_format_utils.cpp
+++ b/src/cryptonote_basic/cryptonote_format_utils.cpp
@@ -135,7 +135,14 @@ namespace cryptonote
         return false;
       }
       for (size_t n = 0; n < tx.rct_signatures.outPk.size(); ++n)
+      {
+        if (tx.vout[n].target.type() != typeid(txout_to_key))
+        {
+          LOG_PRINT_L1("Unsupported output type in tx " << get_transaction_hash(tx));
+          return false;
+        }
         rv.outPk[n].dest = rct::pk2rct(boost::get<txout_to_key>(tx.vout[n].target).key);
+      }
 
       if (!base_only)
       {