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Python: Use flask routing

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This commit is contained in:
Rasmus Lerchedahl Petersen
2020-10-21 00:30:16 +02:00
parent 383d846396
commit 90d0cff384
2 changed files with 19 additions and 6 deletions
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13
python/ql/test/experimental/query-tests/Security-new-dataflow/CWE-089/SqlInjection.expected
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@@ -1,3 +1,16 @@
edges
| sql_injection.py:14:15:14:22 | SSA variable username | sql_injection.py:21:24:21:77 | ControlFlowNode for BinaryExpr |
| sql_injection.py:14:15:14:22 | SSA variable username | sql_injection.py:24:38:24:95 | ControlFlowNode for BinaryExpr |
| sql_injection.py:14:15:14:22 | SSA variable username | sql_injection.py:25:26:25:83 | ControlFlowNode for BinaryExpr |
| sql_injection.py:14:15:14:22 | SSA variable username | sql_injection.py:26:28:26:85 | ControlFlowNode for BinaryExpr |
nodes
| sql_injection.py:14:15:14:22 | SSA variable username | semmle.label | SSA variable username |
| sql_injection.py:21:24:21:77 | ControlFlowNode for BinaryExpr | semmle.label | ControlFlowNode for BinaryExpr |
| sql_injection.py:24:38:24:95 | ControlFlowNode for BinaryExpr | semmle.label | ControlFlowNode for BinaryExpr |
| sql_injection.py:25:26:25:83 | ControlFlowNode for BinaryExpr | semmle.label | ControlFlowNode for BinaryExpr |
| sql_injection.py:26:28:26:85 | ControlFlowNode for BinaryExpr | semmle.label | ControlFlowNode for BinaryExpr |
#select
| sql_injection.py:21:24:21:77 | ControlFlowNode for BinaryExpr | sql_injection.py:14:15:14:22 | SSA variable username | sql_injection.py:21:24:21:77 | ControlFlowNode for BinaryExpr | This SQL query depends on $@. | sql_injection.py:14:15:14:22 | SSA variable username | a user-provided value |
| sql_injection.py:24:38:24:95 | ControlFlowNode for BinaryExpr | sql_injection.py:14:15:14:22 | SSA variable username | sql_injection.py:24:38:24:95 | ControlFlowNode for BinaryExpr | This SQL query depends on $@. | sql_injection.py:14:15:14:22 | SSA variable username | a user-provided value |
| sql_injection.py:25:26:25:83 | ControlFlowNode for BinaryExpr | sql_injection.py:14:15:14:22 | SSA variable username | sql_injection.py:25:26:25:83 | ControlFlowNode for BinaryExpr | This SQL query depends on $@. | sql_injection.py:14:15:14:22 | SSA variable username | a user-provided value |
| sql_injection.py:26:28:26:85 | ControlFlowNode for BinaryExpr | sql_injection.py:14:15:14:22 | SSA variable username | sql_injection.py:26:28:26:85 | ControlFlowNode for BinaryExpr | This SQL query depends on $@. | sql_injection.py:14:15:14:22 | SSA variable username | a user-provided value |

12
python/ql/test/experimental/query-tests/Security-new-dataflow/CWE-089/sql_injection.py
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@@ -1,15 +1,17 @@
"""This is copied from ql/python/ql/test/library-tests/web/django/test.py
and a only a slight extension of ql/python/ql/src/Security/CWE-089/examples/sql_injection.py
"""This is adapted from ql/python/ql/test/query-tests\Security\CWE-089
we now prefer to setup routing by flask
"""
from django.conf.urls import url
from django.db import connection, models
from django.db.models.expressions import RawSQL
from flask import Flask, request
app = Flask(__name__)
class User(models.Model):
pass
def show_user(request, username):
@app.route("/users/<username>")
def show_user(username):
with connection.cursor() as cursor:
# GOOD -- Using parameters
cursor.execute("SELECT * FROM users WHERE username = %s", username)
@@ -36,5 +38,3 @@ def show_user(request, username):
# When testing this out locally, none of the queries worked against SQLite3, but I could use
# the SQL injection against MySQL.
User.objects.raw("SELECT * FROM users WHERE username = '%s'", (username,))
urlpatterns = [url(r'^users/(?P<username>[^/]+)$', show_user)]