mirror of https://github.com/crytic/slither
parent
16bff0efa8
commit
63b553fcba
@ -0,0 +1,90 @@ |
|||||||
|
from slither.core.cfg.node import NodeType |
||||||
|
from slither.detectors.abstract_detector import AbstractDetector, DetectorClassification |
||||||
|
from slither.slithir.operations import LowLevelCall |
||||||
|
|
||||||
|
|
||||||
|
def detect_delegatecall_in_loop(contract): |
||||||
|
results = [] |
||||||
|
for f in contract.functions + contract.modifiers: |
||||||
|
if f.is_implemented and f.payable: |
||||||
|
delegatecall_in_loop(f.entry_point, False, [], results) |
||||||
|
return results |
||||||
|
|
||||||
|
|
||||||
|
def delegatecall_in_loop(node, in_loop, visited, results): |
||||||
|
if node in visited: |
||||||
|
return |
||||||
|
# shared visited |
||||||
|
visited.append(node) |
||||||
|
|
||||||
|
if node.type == NodeType.STARTLOOP: |
||||||
|
in_loop = True |
||||||
|
elif node.type == NodeType.ENDLOOP: |
||||||
|
in_loop = False |
||||||
|
|
||||||
|
if in_loop: |
||||||
|
for ir in node.all_slithir_operations(): |
||||||
|
if isinstance(ir, (LowLevelCall)) and ir.function_name == "delegatecall": |
||||||
|
results.append(node) |
||||||
|
|
||||||
|
for son in node.sons: |
||||||
|
delegatecall_in_loop(son, in_loop, visited, results) |
||||||
|
|
||||||
|
|
||||||
|
class DelegatecallInLoop(AbstractDetector): |
||||||
|
""" |
||||||
|
Detect the use of delegatecall inside a loop in a payable function |
||||||
|
""" |
||||||
|
|
||||||
|
ARGUMENT = "delegatecall-loop" |
||||||
|
HELP = "Payable functions using `delegatecall` inside a loop" |
||||||
|
IMPACT = DetectorClassification.HIGH |
||||||
|
CONFIDENCE = DetectorClassification.MEDIUM |
||||||
|
|
||||||
|
WIKI = "https://github.com/crytic/slither/wiki/Detector-Documentation/#payable-functions-using-delegatecall-inside-a-loop" |
||||||
|
|
||||||
|
WIKI_TITLE = "Payable functions using `delegatecall` inside a loop" |
||||||
|
WIKI_DESCRIPTION = """ |
||||||
|
Detect the use of `delegatecall` inside a loop in a payable function. |
||||||
|
It's dangerous because `delegatecall` forward the `msg.value` in case the function called is payable. |
||||||
|
""" |
||||||
|
|
||||||
|
# region wiki_exploit_scenario |
||||||
|
WIKI_EXPLOIT_SCENARIO = """ |
||||||
|
```solidity |
||||||
|
contract DelegatecallInLoop{ |
||||||
|
|
||||||
|
mapping (address => uint256) balances; |
||||||
|
|
||||||
|
function bad(address[] memory receivers) public payable { |
||||||
|
for (uint256 i = 0; i < receivers.length; i++) { |
||||||
|
address(this).delegatecall(abi.encodeWithSignature("addBalance(address)", receivers[i])); |
||||||
|
} |
||||||
|
} |
||||||
|
|
||||||
|
function addBalance(address a) public payable { |
||||||
|
balances[a] += msg.value; |
||||||
|
} |
||||||
|
|
||||||
|
} |
||||||
|
``` |
||||||
|
When calling `bad` the same `msg.value` amount will be accredited multiple times.""" |
||||||
|
# endregion wiki_exploit_scenario |
||||||
|
|
||||||
|
WIKI_RECOMMENDATION = """ |
||||||
|
Don't use `delegatecall` inside a loop in a payable function or carefully check that the function called by `delegatecall` is not payable/doesn't use `msg.value`. |
||||||
|
""" |
||||||
|
|
||||||
|
def _detect(self): |
||||||
|
"""""" |
||||||
|
results = [] |
||||||
|
for c in self.compilation_unit.contracts_derived: |
||||||
|
values = detect_delegatecall_in_loop(c) |
||||||
|
for node in values: |
||||||
|
func = node.function |
||||||
|
|
||||||
|
info = [func, " has delegatecall inside a loop in a payable function: ", node, "\n"] |
||||||
|
res = self.generate_result(info) |
||||||
|
results.append(res) |
||||||
|
|
||||||
|
return results |
@ -0,0 +1,15 @@ |
|||||||
|
contract C{ |
||||||
|
|
||||||
|
mapping (address => uint256) balances; |
||||||
|
|
||||||
|
function bad(address[] memory receivers) public payable { |
||||||
|
for (uint256 i = 0; i < receivers.length; i++) { |
||||||
|
address(this).delegatecall(abi.encodeWithSignature("addBalance(address)", receivers[i])); |
||||||
|
} |
||||||
|
} |
||||||
|
|
||||||
|
function addBalance(address a) public payable { |
||||||
|
balances[a] += msg.value; |
||||||
|
} |
||||||
|
|
||||||
|
} |
@ -0,0 +1,151 @@ |
|||||||
|
[ |
||||||
|
[ |
||||||
|
{ |
||||||
|
"elements": [ |
||||||
|
{ |
||||||
|
"type": "function", |
||||||
|
"name": "bad", |
||||||
|
"source_mapping": { |
||||||
|
"start": 61, |
||||||
|
"length": 232, |
||||||
|
"filename_used": "/GENERIC_PATH", |
||||||
|
"filename_relative": "tests/detectors/delegatecall-loop/0.4.25/delegatecall_loop.sol", |
||||||
|
"filename_absolute": "/GENERIC_PATH", |
||||||
|
"filename_short": "tests/detectors/delegatecall-loop/0.4.25/delegatecall_loop.sol", |
||||||
|
"is_dependency": false, |
||||||
|
"lines": [ |
||||||
|
5, |
||||||
|
6, |
||||||
|
7, |
||||||
|
8, |
||||||
|
9 |
||||||
|
], |
||||||
|
"starting_column": 5, |
||||||
|
"ending_column": 6 |
||||||
|
}, |
||||||
|
"type_specific_fields": { |
||||||
|
"parent": { |
||||||
|
"type": "contract", |
||||||
|
"name": "C", |
||||||
|
"source_mapping": { |
||||||
|
"start": 0, |
||||||
|
"length": 388, |
||||||
|
"filename_used": "/GENERIC_PATH", |
||||||
|
"filename_relative": "tests/detectors/delegatecall-loop/0.4.25/delegatecall_loop.sol", |
||||||
|
"filename_absolute": "/GENERIC_PATH", |
||||||
|
"filename_short": "tests/detectors/delegatecall-loop/0.4.25/delegatecall_loop.sol", |
||||||
|
"is_dependency": false, |
||||||
|
"lines": [ |
||||||
|
1, |
||||||
|
2, |
||||||
|
3, |
||||||
|
4, |
||||||
|
5, |
||||||
|
6, |
||||||
|
7, |
||||||
|
8, |
||||||
|
9, |
||||||
|
10, |
||||||
|
11, |
||||||
|
12, |
||||||
|
13, |
||||||
|
14, |
||||||
|
15, |
||||||
|
16 |
||||||
|
], |
||||||
|
"starting_column": 1, |
||||||
|
"ending_column": 0 |
||||||
|
} |
||||||
|
}, |
||||||
|
"signature": "bad(address[])" |
||||||
|
} |
||||||
|
}, |
||||||
|
{ |
||||||
|
"type": "node", |
||||||
|
"name": "address(this).delegatecall(abi.encodeWithSignature(addBalance(address),receivers[i]))", |
||||||
|
"source_mapping": { |
||||||
|
"start": 188, |
||||||
|
"length": 88, |
||||||
|
"filename_used": "/GENERIC_PATH", |
||||||
|
"filename_relative": "tests/detectors/delegatecall-loop/0.4.25/delegatecall_loop.sol", |
||||||
|
"filename_absolute": "/GENERIC_PATH", |
||||||
|
"filename_short": "tests/detectors/delegatecall-loop/0.4.25/delegatecall_loop.sol", |
||||||
|
"is_dependency": false, |
||||||
|
"lines": [ |
||||||
|
7 |
||||||
|
], |
||||||
|
"starting_column": 13, |
||||||
|
"ending_column": 101 |
||||||
|
}, |
||||||
|
"type_specific_fields": { |
||||||
|
"parent": { |
||||||
|
"type": "function", |
||||||
|
"name": "bad", |
||||||
|
"source_mapping": { |
||||||
|
"start": 61, |
||||||
|
"length": 232, |
||||||
|
"filename_used": "/GENERIC_PATH", |
||||||
|
"filename_relative": "tests/detectors/delegatecall-loop/0.4.25/delegatecall_loop.sol", |
||||||
|
"filename_absolute": "/GENERIC_PATH", |
||||||
|
"filename_short": "tests/detectors/delegatecall-loop/0.4.25/delegatecall_loop.sol", |
||||||
|
"is_dependency": false, |
||||||
|
"lines": [ |
||||||
|
5, |
||||||
|
6, |
||||||
|
7, |
||||||
|
8, |
||||||
|
9 |
||||||
|
], |
||||||
|
"starting_column": 5, |
||||||
|
"ending_column": 6 |
||||||
|
}, |
||||||
|
"type_specific_fields": { |
||||||
|
"parent": { |
||||||
|
"type": "contract", |
||||||
|
"name": "C", |
||||||
|
"source_mapping": { |
||||||
|
"start": 0, |
||||||
|
"length": 388, |
||||||
|
"filename_used": "/GENERIC_PATH", |
||||||
|
"filename_relative": "tests/detectors/delegatecall-loop/0.4.25/delegatecall_loop.sol", |
||||||
|
"filename_absolute": "/GENERIC_PATH", |
||||||
|
"filename_short": "tests/detectors/delegatecall-loop/0.4.25/delegatecall_loop.sol", |
||||||
|
"is_dependency": false, |
||||||
|
"lines": [ |
||||||
|
1, |
||||||
|
2, |
||||||
|
3, |
||||||
|
4, |
||||||
|
5, |
||||||
|
6, |
||||||
|
7, |
||||||
|
8, |
||||||
|
9, |
||||||
|
10, |
||||||
|
11, |
||||||
|
12, |
||||||
|
13, |
||||||
|
14, |
||||||
|
15, |
||||||
|
16 |
||||||
|
], |
||||||
|
"starting_column": 1, |
||||||
|
"ending_column": 0 |
||||||
|
} |
||||||
|
}, |
||||||
|
"signature": "bad(address[])" |
||||||
|
} |
||||||
|
} |
||||||
|
} |
||||||
|
} |
||||||
|
], |
||||||
|
"description": "C.bad(address[]) (tests/detectors/delegatecall-loop/0.4.25/delegatecall_loop.sol#5-9) has delegatecall inside a loop in a payable function: address(this).delegatecall(abi.encodeWithSignature(addBalance(address),receivers[i])) (tests/detectors/delegatecall-loop/0.4.25/delegatecall_loop.sol#7)\n", |
||||||
|
"markdown": "[C.bad(address[])](tests/detectors/delegatecall-loop/0.4.25/delegatecall_loop.sol#L5-L9) has delegatecall inside a loop in a payable function: [address(this).delegatecall(abi.encodeWithSignature(addBalance(address),receivers[i]))](tests/detectors/delegatecall-loop/0.4.25/delegatecall_loop.sol#L7)\n", |
||||||
|
"first_markdown_element": "tests/detectors/delegatecall-loop/0.4.25/delegatecall_loop.sol#L5-L9", |
||||||
|
"id": "e057dff3814f9be2d5eca53fe80f41323b8ed90d20bb1e33600bb4e043c40b66", |
||||||
|
"check": "delegatecall-loop", |
||||||
|
"impact": "High", |
||||||
|
"confidence": "High" |
||||||
|
} |
||||||
|
] |
||||||
|
] |
@ -0,0 +1,15 @@ |
|||||||
|
contract C{ |
||||||
|
|
||||||
|
mapping (address => uint256) balances; |
||||||
|
|
||||||
|
function bad(address[] memory receivers) public payable { |
||||||
|
for (uint256 i = 0; i < receivers.length; i++) { |
||||||
|
address(this).delegatecall(abi.encodeWithSignature("addBalance(address)", receivers[i])); |
||||||
|
} |
||||||
|
} |
||||||
|
|
||||||
|
function addBalance(address a) public payable { |
||||||
|
balances[a] += msg.value; |
||||||
|
} |
||||||
|
|
||||||
|
} |
@ -0,0 +1,151 @@ |
|||||||
|
[ |
||||||
|
[ |
||||||
|
{ |
||||||
|
"elements": [ |
||||||
|
{ |
||||||
|
"type": "function", |
||||||
|
"name": "bad", |
||||||
|
"source_mapping": { |
||||||
|
"start": 61, |
||||||
|
"length": 232, |
||||||
|
"filename_used": "/GENERIC_PATH", |
||||||
|
"filename_relative": "tests/detectors/delegatecall-loop/0.5.16/delegatecall_loop.sol", |
||||||
|
"filename_absolute": "/GENERIC_PATH", |
||||||
|
"filename_short": "tests/detectors/delegatecall-loop/0.5.16/delegatecall_loop.sol", |
||||||
|
"is_dependency": false, |
||||||
|
"lines": [ |
||||||
|
5, |
||||||
|
6, |
||||||
|
7, |
||||||
|
8, |
||||||
|
9 |
||||||
|
], |
||||||
|
"starting_column": 5, |
||||||
|
"ending_column": 6 |
||||||
|
}, |
||||||
|
"type_specific_fields": { |
||||||
|
"parent": { |
||||||
|
"type": "contract", |
||||||
|
"name": "C", |
||||||
|
"source_mapping": { |
||||||
|
"start": 0, |
||||||
|
"length": 388, |
||||||
|
"filename_used": "/GENERIC_PATH", |
||||||
|
"filename_relative": "tests/detectors/delegatecall-loop/0.5.16/delegatecall_loop.sol", |
||||||
|
"filename_absolute": "/GENERIC_PATH", |
||||||
|
"filename_short": "tests/detectors/delegatecall-loop/0.5.16/delegatecall_loop.sol", |
||||||
|
"is_dependency": false, |
||||||
|
"lines": [ |
||||||
|
1, |
||||||
|
2, |
||||||
|
3, |
||||||
|
4, |
||||||
|
5, |
||||||
|
6, |
||||||
|
7, |
||||||
|
8, |
||||||
|
9, |
||||||
|
10, |
||||||
|
11, |
||||||
|
12, |
||||||
|
13, |
||||||
|
14, |
||||||
|
15, |
||||||
|
16 |
||||||
|
], |
||||||
|
"starting_column": 1, |
||||||
|
"ending_column": 0 |
||||||
|
} |
||||||
|
}, |
||||||
|
"signature": "bad(address[])" |
||||||
|
} |
||||||
|
}, |
||||||
|
{ |
||||||
|
"type": "node", |
||||||
|
"name": "address(this).delegatecall(abi.encodeWithSignature(addBalance(address),receivers[i]))", |
||||||
|
"source_mapping": { |
||||||
|
"start": 188, |
||||||
|
"length": 88, |
||||||
|
"filename_used": "/GENERIC_PATH", |
||||||
|
"filename_relative": "tests/detectors/delegatecall-loop/0.5.16/delegatecall_loop.sol", |
||||||
|
"filename_absolute": "/GENERIC_PATH", |
||||||
|
"filename_short": "tests/detectors/delegatecall-loop/0.5.16/delegatecall_loop.sol", |
||||||
|
"is_dependency": false, |
||||||
|
"lines": [ |
||||||
|
7 |
||||||
|
], |
||||||
|
"starting_column": 13, |
||||||
|
"ending_column": 101 |
||||||
|
}, |
||||||
|
"type_specific_fields": { |
||||||
|
"parent": { |
||||||
|
"type": "function", |
||||||
|
"name": "bad", |
||||||
|
"source_mapping": { |
||||||
|
"start": 61, |
||||||
|
"length": 232, |
||||||
|
"filename_used": "/GENERIC_PATH", |
||||||
|
"filename_relative": "tests/detectors/delegatecall-loop/0.5.16/delegatecall_loop.sol", |
||||||
|
"filename_absolute": "/GENERIC_PATH", |
||||||
|
"filename_short": "tests/detectors/delegatecall-loop/0.5.16/delegatecall_loop.sol", |
||||||
|
"is_dependency": false, |
||||||
|
"lines": [ |
||||||
|
5, |
||||||
|
6, |
||||||
|
7, |
||||||
|
8, |
||||||
|
9 |
||||||
|
], |
||||||
|
"starting_column": 5, |
||||||
|
"ending_column": 6 |
||||||
|
}, |
||||||
|
"type_specific_fields": { |
||||||
|
"parent": { |
||||||
|
"type": "contract", |
||||||
|
"name": "C", |
||||||
|
"source_mapping": { |
||||||
|
"start": 0, |
||||||
|
"length": 388, |
||||||
|
"filename_used": "/GENERIC_PATH", |
||||||
|
"filename_relative": "tests/detectors/delegatecall-loop/0.5.16/delegatecall_loop.sol", |
||||||
|
"filename_absolute": "/GENERIC_PATH", |
||||||
|
"filename_short": "tests/detectors/delegatecall-loop/0.5.16/delegatecall_loop.sol", |
||||||
|
"is_dependency": false, |
||||||
|
"lines": [ |
||||||
|
1, |
||||||
|
2, |
||||||
|
3, |
||||||
|
4, |
||||||
|
5, |
||||||
|
6, |
||||||
|
7, |
||||||
|
8, |
||||||
|
9, |
||||||
|
10, |
||||||
|
11, |
||||||
|
12, |
||||||
|
13, |
||||||
|
14, |
||||||
|
15, |
||||||
|
16 |
||||||
|
], |
||||||
|
"starting_column": 1, |
||||||
|
"ending_column": 0 |
||||||
|
} |
||||||
|
}, |
||||||
|
"signature": "bad(address[])" |
||||||
|
} |
||||||
|
} |
||||||
|
} |
||||||
|
} |
||||||
|
], |
||||||
|
"description": "C.bad(address[]) (tests/detectors/delegatecall-loop/0.5.16/delegatecall_loop.sol#5-9) has delegatecall inside a loop in a payable function: address(this).delegatecall(abi.encodeWithSignature(addBalance(address),receivers[i])) (tests/detectors/delegatecall-loop/0.5.16/delegatecall_loop.sol#7)\n", |
||||||
|
"markdown": "[C.bad(address[])](tests/detectors/delegatecall-loop/0.5.16/delegatecall_loop.sol#L5-L9) has delegatecall inside a loop in a payable function: [address(this).delegatecall(abi.encodeWithSignature(addBalance(address),receivers[i]))](tests/detectors/delegatecall-loop/0.5.16/delegatecall_loop.sol#L7)\n", |
||||||
|
"first_markdown_element": "tests/detectors/delegatecall-loop/0.5.16/delegatecall_loop.sol#L5-L9", |
||||||
|
"id": "71bad0e6228b341671dd1cc38d74fb727f9bbc5764104298596986d8f4967c02", |
||||||
|
"check": "delegatecall-loop", |
||||||
|
"impact": "High", |
||||||
|
"confidence": "High" |
||||||
|
} |
||||||
|
] |
||||||
|
] |
@ -0,0 +1,15 @@ |
|||||||
|
contract C{ |
||||||
|
|
||||||
|
mapping (address => uint256) balances; |
||||||
|
|
||||||
|
function bad(address[] memory receivers) public payable { |
||||||
|
for (uint256 i = 0; i < receivers.length; i++) { |
||||||
|
address(this).delegatecall(abi.encodeWithSignature("addBalance(address)", receivers[i])); |
||||||
|
} |
||||||
|
} |
||||||
|
|
||||||
|
function addBalance(address a) public payable { |
||||||
|
balances[a] += msg.value; |
||||||
|
} |
||||||
|
|
||||||
|
} |
@ -0,0 +1,151 @@ |
|||||||
|
[ |
||||||
|
[ |
||||||
|
{ |
||||||
|
"elements": [ |
||||||
|
{ |
||||||
|
"type": "function", |
||||||
|
"name": "bad", |
||||||
|
"source_mapping": { |
||||||
|
"start": 61, |
||||||
|
"length": 232, |
||||||
|
"filename_used": "/GENERIC_PATH", |
||||||
|
"filename_relative": "tests/detectors/delegatecall-loop/0.6.11/delegatecall_loop.sol", |
||||||
|
"filename_absolute": "/GENERIC_PATH", |
||||||
|
"filename_short": "tests/detectors/delegatecall-loop/0.6.11/delegatecall_loop.sol", |
||||||
|
"is_dependency": false, |
||||||
|
"lines": [ |
||||||
|
5, |
||||||
|
6, |
||||||
|
7, |
||||||
|
8, |
||||||
|
9 |
||||||
|
], |
||||||
|
"starting_column": 5, |
||||||
|
"ending_column": 6 |
||||||
|
}, |
||||||
|
"type_specific_fields": { |
||||||
|
"parent": { |
||||||
|
"type": "contract", |
||||||
|
"name": "C", |
||||||
|
"source_mapping": { |
||||||
|
"start": 0, |
||||||
|
"length": 388, |
||||||
|
"filename_used": "/GENERIC_PATH", |
||||||
|
"filename_relative": "tests/detectors/delegatecall-loop/0.6.11/delegatecall_loop.sol", |
||||||
|
"filename_absolute": "/GENERIC_PATH", |
||||||
|
"filename_short": "tests/detectors/delegatecall-loop/0.6.11/delegatecall_loop.sol", |
||||||
|
"is_dependency": false, |
||||||
|
"lines": [ |
||||||
|
1, |
||||||
|
2, |
||||||
|
3, |
||||||
|
4, |
||||||
|
5, |
||||||
|
6, |
||||||
|
7, |
||||||
|
8, |
||||||
|
9, |
||||||
|
10, |
||||||
|
11, |
||||||
|
12, |
||||||
|
13, |
||||||
|
14, |
||||||
|
15, |
||||||
|
16 |
||||||
|
], |
||||||
|
"starting_column": 1, |
||||||
|
"ending_column": 0 |
||||||
|
} |
||||||
|
}, |
||||||
|
"signature": "bad(address[])" |
||||||
|
} |
||||||
|
}, |
||||||
|
{ |
||||||
|
"type": "node", |
||||||
|
"name": "address(this).delegatecall(abi.encodeWithSignature(addBalance(address),receivers[i]))", |
||||||
|
"source_mapping": { |
||||||
|
"start": 188, |
||||||
|
"length": 88, |
||||||
|
"filename_used": "/GENERIC_PATH", |
||||||
|
"filename_relative": "tests/detectors/delegatecall-loop/0.6.11/delegatecall_loop.sol", |
||||||
|
"filename_absolute": "/GENERIC_PATH", |
||||||
|
"filename_short": "tests/detectors/delegatecall-loop/0.6.11/delegatecall_loop.sol", |
||||||
|
"is_dependency": false, |
||||||
|
"lines": [ |
||||||
|
7 |
||||||
|
], |
||||||
|
"starting_column": 13, |
||||||
|
"ending_column": 101 |
||||||
|
}, |
||||||
|
"type_specific_fields": { |
||||||
|
"parent": { |
||||||
|
"type": "function", |
||||||
|
"name": "bad", |
||||||
|
"source_mapping": { |
||||||
|
"start": 61, |
||||||
|
"length": 232, |
||||||
|
"filename_used": "/GENERIC_PATH", |
||||||
|
"filename_relative": "tests/detectors/delegatecall-loop/0.6.11/delegatecall_loop.sol", |
||||||
|
"filename_absolute": "/GENERIC_PATH", |
||||||
|
"filename_short": "tests/detectors/delegatecall-loop/0.6.11/delegatecall_loop.sol", |
||||||
|
"is_dependency": false, |
||||||
|
"lines": [ |
||||||
|
5, |
||||||
|
6, |
||||||
|
7, |
||||||
|
8, |
||||||
|
9 |
||||||
|
], |
||||||
|
"starting_column": 5, |
||||||
|
"ending_column": 6 |
||||||
|
}, |
||||||
|
"type_specific_fields": { |
||||||
|
"parent": { |
||||||
|
"type": "contract", |
||||||
|
"name": "C", |
||||||
|
"source_mapping": { |
||||||
|
"start": 0, |
||||||
|
"length": 388, |
||||||
|
"filename_used": "/GENERIC_PATH", |
||||||
|
"filename_relative": "tests/detectors/delegatecall-loop/0.6.11/delegatecall_loop.sol", |
||||||
|
"filename_absolute": "/GENERIC_PATH", |
||||||
|
"filename_short": "tests/detectors/delegatecall-loop/0.6.11/delegatecall_loop.sol", |
||||||
|
"is_dependency": false, |
||||||
|
"lines": [ |
||||||
|
1, |
||||||
|
2, |
||||||
|
3, |
||||||
|
4, |
||||||
|
5, |
||||||
|
6, |
||||||
|
7, |
||||||
|
8, |
||||||
|
9, |
||||||
|
10, |
||||||
|
11, |
||||||
|
12, |
||||||
|
13, |
||||||
|
14, |
||||||
|
15, |
||||||
|
16 |
||||||
|
], |
||||||
|
"starting_column": 1, |
||||||
|
"ending_column": 0 |
||||||
|
} |
||||||
|
}, |
||||||
|
"signature": "bad(address[])" |
||||||
|
} |
||||||
|
} |
||||||
|
} |
||||||
|
} |
||||||
|
], |
||||||
|
"description": "C.bad(address[]) (tests/detectors/delegatecall-loop/0.6.11/delegatecall_loop.sol#5-9) has delegatecall inside a loop in a payable function: address(this).delegatecall(abi.encodeWithSignature(addBalance(address),receivers[i])) (tests/detectors/delegatecall-loop/0.6.11/delegatecall_loop.sol#7)\n", |
||||||
|
"markdown": "[C.bad(address[])](tests/detectors/delegatecall-loop/0.6.11/delegatecall_loop.sol#L5-L9) has delegatecall inside a loop in a payable function: [address(this).delegatecall(abi.encodeWithSignature(addBalance(address),receivers[i]))](tests/detectors/delegatecall-loop/0.6.11/delegatecall_loop.sol#L7)\n", |
||||||
|
"first_markdown_element": "tests/detectors/delegatecall-loop/0.6.11/delegatecall_loop.sol#L5-L9", |
||||||
|
"id": "dfa0a166dfe43235e3fbeab4eadd8b0c7c612cd2fefe3cf281d909129b3b824e", |
||||||
|
"check": "delegatecall-loop", |
||||||
|
"impact": "High", |
||||||
|
"confidence": "High" |
||||||
|
} |
||||||
|
] |
||||||
|
] |
@ -0,0 +1,15 @@ |
|||||||
|
contract C{ |
||||||
|
|
||||||
|
mapping (address => uint256) balances; |
||||||
|
|
||||||
|
function bad(address[] memory receivers) public payable { |
||||||
|
for (uint256 i = 0; i < receivers.length; i++) { |
||||||
|
address(this).delegatecall(abi.encodeWithSignature("addBalance(address)", receivers[i])); |
||||||
|
} |
||||||
|
} |
||||||
|
|
||||||
|
function addBalance(address a) public payable { |
||||||
|
balances[a] += msg.value; |
||||||
|
} |
||||||
|
|
||||||
|
} |
@ -0,0 +1,151 @@ |
|||||||
|
[ |
||||||
|
[ |
||||||
|
{ |
||||||
|
"elements": [ |
||||||
|
{ |
||||||
|
"type": "function", |
||||||
|
"name": "bad", |
||||||
|
"source_mapping": { |
||||||
|
"start": 61, |
||||||
|
"length": 232, |
||||||
|
"filename_used": "/GENERIC_PATH", |
||||||
|
"filename_relative": "tests/detectors/delegatecall-loop/0.7.6/delegatecall_loop.sol", |
||||||
|
"filename_absolute": "/GENERIC_PATH", |
||||||
|
"filename_short": "tests/detectors/delegatecall-loop/0.7.6/delegatecall_loop.sol", |
||||||
|
"is_dependency": false, |
||||||
|
"lines": [ |
||||||
|
5, |
||||||
|
6, |
||||||
|
7, |
||||||
|
8, |
||||||
|
9 |
||||||
|
], |
||||||
|
"starting_column": 5, |
||||||
|
"ending_column": 6 |
||||||
|
}, |
||||||
|
"type_specific_fields": { |
||||||
|
"parent": { |
||||||
|
"type": "contract", |
||||||
|
"name": "C", |
||||||
|
"source_mapping": { |
||||||
|
"start": 0, |
||||||
|
"length": 388, |
||||||
|
"filename_used": "/GENERIC_PATH", |
||||||
|
"filename_relative": "tests/detectors/delegatecall-loop/0.7.6/delegatecall_loop.sol", |
||||||
|
"filename_absolute": "/GENERIC_PATH", |
||||||
|
"filename_short": "tests/detectors/delegatecall-loop/0.7.6/delegatecall_loop.sol", |
||||||
|
"is_dependency": false, |
||||||
|
"lines": [ |
||||||
|
1, |
||||||
|
2, |
||||||
|
3, |
||||||
|
4, |
||||||
|
5, |
||||||
|
6, |
||||||
|
7, |
||||||
|
8, |
||||||
|
9, |
||||||
|
10, |
||||||
|
11, |
||||||
|
12, |
||||||
|
13, |
||||||
|
14, |
||||||
|
15, |
||||||
|
16 |
||||||
|
], |
||||||
|
"starting_column": 1, |
||||||
|
"ending_column": 0 |
||||||
|
} |
||||||
|
}, |
||||||
|
"signature": "bad(address[])" |
||||||
|
} |
||||||
|
}, |
||||||
|
{ |
||||||
|
"type": "node", |
||||||
|
"name": "address(this).delegatecall(abi.encodeWithSignature(addBalance(address),receivers[i]))", |
||||||
|
"source_mapping": { |
||||||
|
"start": 188, |
||||||
|
"length": 88, |
||||||
|
"filename_used": "/GENERIC_PATH", |
||||||
|
"filename_relative": "tests/detectors/delegatecall-loop/0.7.6/delegatecall_loop.sol", |
||||||
|
"filename_absolute": "/GENERIC_PATH", |
||||||
|
"filename_short": "tests/detectors/delegatecall-loop/0.7.6/delegatecall_loop.sol", |
||||||
|
"is_dependency": false, |
||||||
|
"lines": [ |
||||||
|
7 |
||||||
|
], |
||||||
|
"starting_column": 13, |
||||||
|
"ending_column": 101 |
||||||
|
}, |
||||||
|
"type_specific_fields": { |
||||||
|
"parent": { |
||||||
|
"type": "function", |
||||||
|
"name": "bad", |
||||||
|
"source_mapping": { |
||||||
|
"start": 61, |
||||||
|
"length": 232, |
||||||
|
"filename_used": "/GENERIC_PATH", |
||||||
|
"filename_relative": "tests/detectors/delegatecall-loop/0.7.6/delegatecall_loop.sol", |
||||||
|
"filename_absolute": "/GENERIC_PATH", |
||||||
|
"filename_short": "tests/detectors/delegatecall-loop/0.7.6/delegatecall_loop.sol", |
||||||
|
"is_dependency": false, |
||||||
|
"lines": [ |
||||||
|
5, |
||||||
|
6, |
||||||
|
7, |
||||||
|
8, |
||||||
|
9 |
||||||
|
], |
||||||
|
"starting_column": 5, |
||||||
|
"ending_column": 6 |
||||||
|
}, |
||||||
|
"type_specific_fields": { |
||||||
|
"parent": { |
||||||
|
"type": "contract", |
||||||
|
"name": "C", |
||||||
|
"source_mapping": { |
||||||
|
"start": 0, |
||||||
|
"length": 388, |
||||||
|
"filename_used": "/GENERIC_PATH", |
||||||
|
"filename_relative": "tests/detectors/delegatecall-loop/0.7.6/delegatecall_loop.sol", |
||||||
|
"filename_absolute": "/GENERIC_PATH", |
||||||
|
"filename_short": "tests/detectors/delegatecall-loop/0.7.6/delegatecall_loop.sol", |
||||||
|
"is_dependency": false, |
||||||
|
"lines": [ |
||||||
|
1, |
||||||
|
2, |
||||||
|
3, |
||||||
|
4, |
||||||
|
5, |
||||||
|
6, |
||||||
|
7, |
||||||
|
8, |
||||||
|
9, |
||||||
|
10, |
||||||
|
11, |
||||||
|
12, |
||||||
|
13, |
||||||
|
14, |
||||||
|
15, |
||||||
|
16 |
||||||
|
], |
||||||
|
"starting_column": 1, |
||||||
|
"ending_column": 0 |
||||||
|
} |
||||||
|
}, |
||||||
|
"signature": "bad(address[])" |
||||||
|
} |
||||||
|
} |
||||||
|
} |
||||||
|
} |
||||||
|
], |
||||||
|
"description": "C.bad(address[]) (tests/detectors/delegatecall-loop/0.7.6/delegatecall_loop.sol#5-9) has delegatecall inside a loop in a payable function: address(this).delegatecall(abi.encodeWithSignature(addBalance(address),receivers[i])) (tests/detectors/delegatecall-loop/0.7.6/delegatecall_loop.sol#7)\n", |
||||||
|
"markdown": "[C.bad(address[])](tests/detectors/delegatecall-loop/0.7.6/delegatecall_loop.sol#L5-L9) has delegatecall inside a loop in a payable function: [address(this).delegatecall(abi.encodeWithSignature(addBalance(address),receivers[i]))](tests/detectors/delegatecall-loop/0.7.6/delegatecall_loop.sol#L7)\n", |
||||||
|
"first_markdown_element": "tests/detectors/delegatecall-loop/0.7.6/delegatecall_loop.sol#L5-L9", |
||||||
|
"id": "33dd934c565095b28b362765c0c885287aaf87741cf31dae44457268f831b7a4", |
||||||
|
"check": "delegatecall-loop", |
||||||
|
"impact": "High", |
||||||
|
"confidence": "High" |
||||||
|
} |
||||||
|
] |
||||||
|
] |
@ -0,0 +1,15 @@ |
|||||||
|
contract C{ |
||||||
|
|
||||||
|
mapping (address => uint256) balances; |
||||||
|
|
||||||
|
function bad(address[] memory receivers) public payable { |
||||||
|
for (uint256 i = 0; i < receivers.length; i++) { |
||||||
|
address(this).delegatecall(abi.encodeWithSignature("addBalance(address)", receivers[i])); |
||||||
|
} |
||||||
|
} |
||||||
|
|
||||||
|
function addBalance(address a) public payable { |
||||||
|
balances[a] += msg.value; |
||||||
|
} |
||||||
|
|
||||||
|
} |
@ -0,0 +1,151 @@ |
|||||||
|
[ |
||||||
|
[ |
||||||
|
{ |
||||||
|
"elements": [ |
||||||
|
{ |
||||||
|
"type": "function", |
||||||
|
"name": "bad", |
||||||
|
"source_mapping": { |
||||||
|
"start": 61, |
||||||
|
"length": 232, |
||||||
|
"filename_used": "/GENERIC_PATH", |
||||||
|
"filename_relative": "tests/detectors/delegatecall-loop/0.8.0/delegatecall_loop.sol", |
||||||
|
"filename_absolute": "/GENERIC_PATH", |
||||||
|
"filename_short": "tests/detectors/delegatecall-loop/0.8.0/delegatecall_loop.sol", |
||||||
|
"is_dependency": false, |
||||||
|
"lines": [ |
||||||
|
5, |
||||||
|
6, |
||||||
|
7, |
||||||
|
8, |
||||||
|
9 |
||||||
|
], |
||||||
|
"starting_column": 5, |
||||||
|
"ending_column": 6 |
||||||
|
}, |
||||||
|
"type_specific_fields": { |
||||||
|
"parent": { |
||||||
|
"type": "contract", |
||||||
|
"name": "C", |
||||||
|
"source_mapping": { |
||||||
|
"start": 0, |
||||||
|
"length": 388, |
||||||
|
"filename_used": "/GENERIC_PATH", |
||||||
|
"filename_relative": "tests/detectors/delegatecall-loop/0.8.0/delegatecall_loop.sol", |
||||||
|
"filename_absolute": "/GENERIC_PATH", |
||||||
|
"filename_short": "tests/detectors/delegatecall-loop/0.8.0/delegatecall_loop.sol", |
||||||
|
"is_dependency": false, |
||||||
|
"lines": [ |
||||||
|
1, |
||||||
|
2, |
||||||
|
3, |
||||||
|
4, |
||||||
|
5, |
||||||
|
6, |
||||||
|
7, |
||||||
|
8, |
||||||
|
9, |
||||||
|
10, |
||||||
|
11, |
||||||
|
12, |
||||||
|
13, |
||||||
|
14, |
||||||
|
15, |
||||||
|
16 |
||||||
|
], |
||||||
|
"starting_column": 1, |
||||||
|
"ending_column": 0 |
||||||
|
} |
||||||
|
}, |
||||||
|
"signature": "bad(address[])" |
||||||
|
} |
||||||
|
}, |
||||||
|
{ |
||||||
|
"type": "node", |
||||||
|
"name": "address(this).delegatecall(abi.encodeWithSignature(addBalance(address),receivers[i]))", |
||||||
|
"source_mapping": { |
||||||
|
"start": 188, |
||||||
|
"length": 88, |
||||||
|
"filename_used": "/GENERIC_PATH", |
||||||
|
"filename_relative": "tests/detectors/delegatecall-loop/0.8.0/delegatecall_loop.sol", |
||||||
|
"filename_absolute": "/GENERIC_PATH", |
||||||
|
"filename_short": "tests/detectors/delegatecall-loop/0.8.0/delegatecall_loop.sol", |
||||||
|
"is_dependency": false, |
||||||
|
"lines": [ |
||||||
|
7 |
||||||
|
], |
||||||
|
"starting_column": 13, |
||||||
|
"ending_column": 101 |
||||||
|
}, |
||||||
|
"type_specific_fields": { |
||||||
|
"parent": { |
||||||
|
"type": "function", |
||||||
|
"name": "bad", |
||||||
|
"source_mapping": { |
||||||
|
"start": 61, |
||||||
|
"length": 232, |
||||||
|
"filename_used": "/GENERIC_PATH", |
||||||
|
"filename_relative": "tests/detectors/delegatecall-loop/0.8.0/delegatecall_loop.sol", |
||||||
|
"filename_absolute": "/GENERIC_PATH", |
||||||
|
"filename_short": "tests/detectors/delegatecall-loop/0.8.0/delegatecall_loop.sol", |
||||||
|
"is_dependency": false, |
||||||
|
"lines": [ |
||||||
|
5, |
||||||
|
6, |
||||||
|
7, |
||||||
|
8, |
||||||
|
9 |
||||||
|
], |
||||||
|
"starting_column": 5, |
||||||
|
"ending_column": 6 |
||||||
|
}, |
||||||
|
"type_specific_fields": { |
||||||
|
"parent": { |
||||||
|
"type": "contract", |
||||||
|
"name": "C", |
||||||
|
"source_mapping": { |
||||||
|
"start": 0, |
||||||
|
"length": 388, |
||||||
|
"filename_used": "/GENERIC_PATH", |
||||||
|
"filename_relative": "tests/detectors/delegatecall-loop/0.8.0/delegatecall_loop.sol", |
||||||
|
"filename_absolute": "/GENERIC_PATH", |
||||||
|
"filename_short": "tests/detectors/delegatecall-loop/0.8.0/delegatecall_loop.sol", |
||||||
|
"is_dependency": false, |
||||||
|
"lines": [ |
||||||
|
1, |
||||||
|
2, |
||||||
|
3, |
||||||
|
4, |
||||||
|
5, |
||||||
|
6, |
||||||
|
7, |
||||||
|
8, |
||||||
|
9, |
||||||
|
10, |
||||||
|
11, |
||||||
|
12, |
||||||
|
13, |
||||||
|
14, |
||||||
|
15, |
||||||
|
16 |
||||||
|
], |
||||||
|
"starting_column": 1, |
||||||
|
"ending_column": 0 |
||||||
|
} |
||||||
|
}, |
||||||
|
"signature": "bad(address[])" |
||||||
|
} |
||||||
|
} |
||||||
|
} |
||||||
|
} |
||||||
|
], |
||||||
|
"description": "C.bad(address[]) (tests/detectors/delegatecall-loop/0.8.0/delegatecall_loop.sol#5-9) has delegatecall inside a loop in a payable function: address(this).delegatecall(abi.encodeWithSignature(addBalance(address),receivers[i])) (tests/detectors/delegatecall-loop/0.8.0/delegatecall_loop.sol#7)\n", |
||||||
|
"markdown": "[C.bad(address[])](tests/detectors/delegatecall-loop/0.8.0/delegatecall_loop.sol#L5-L9) has delegatecall inside a loop in a payable function: [address(this).delegatecall(abi.encodeWithSignature(addBalance(address),receivers[i]))](tests/detectors/delegatecall-loop/0.8.0/delegatecall_loop.sol#L7)\n", |
||||||
|
"first_markdown_element": "tests/detectors/delegatecall-loop/0.8.0/delegatecall_loop.sol#L5-L9", |
||||||
|
"id": "b810117268c82cb0e2ba1fce4549cef820197f59c877fd5f0701661a0f7bbf47", |
||||||
|
"check": "delegatecall-loop", |
||||||
|
"impact": "High", |
||||||
|
"confidence": "High" |
||||||
|
} |
||||||
|
] |
||||||
|
] |
Loading…
Reference in new issue