Add SB Curated (copied from the smartbugs repository).

dataset/unchecked_low_level_calls/0xbaa3de6504690efb064420d89e871c27065cdd52.sol

@@ -0,0 +1,42 @@
+/*
+ * @source: etherscan.io 
+ * @author: -
+ * @vulnerable_at_lines: 14
+ */
+
+pragma solidity ^0.4.23;
+
+contract Proxy  {
+    modifier onlyOwner { if (msg.sender == Owner) _; } address Owner = msg.sender;
+    function transferOwner(address _owner) public onlyOwner { Owner = _owner; } 
+    function proxy(address target, bytes data) public payable {
+        // <yes> <report> UNCHECKED_LL_CALLS
+        target.call.value(msg.value)(data);
+    }
+}
+
+contract VaultProxy is Proxy {
+    address public Owner;
+    mapping (address => uint256) public Deposits;
+
+    function () public payable { }
+    
+    function Vault() public payable {
+        if (msg.sender == tx.origin) {
+            Owner = msg.sender;
+            deposit();
+        }
+    }
+    
+    function deposit() public payable {
+        if (msg.value > 0.25 ether) {
+            Deposits[msg.sender] += msg.value;
+        }
+    }
+    
+    function withdraw(uint256 amount) public onlyOwner {
+        if (amount>0 && Deposits[msg.sender]>=amount) {
+            msg.sender.transfer(amount);
+        }
+    }
+}