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Python: Handle get_database on MongoClient instance

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Rasmus Wriedt Larsen
2022-04-07 16:24:21 +02:00
parent 7ca19653df
commit 89eeaf85d5
2 changed files with 14 additions and 0 deletions
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4
python/ql/src/experimental/semmle/python/frameworks/NoSQL.qll
View File

@@ -61,6 +61,10 @@ private module NoSql {
result = mongoEngine().getMember("connection").getMember(["get_db", "connect"]).getACall()
or
result = flask_MongoEngine().getMember("get_db").getACall()
or
// see https://pymongo.readthedocs.io/en/stable/api/pymongo/mongo_client.html#pymongo.mongo_client.MongoClient.get_default_database
// see https://pymongo.readthedocs.io/en/stable/api/pymongo/mongo_client.html#pymongo.mongo_client.MongoClient.get_database
result = mongoClientInstance().getMember(["get_default_database", "get_database"]).getACall()
)
or
exists(DataFlow::TypeTracker t2 | result = mongoDBInstance(t2).track(t2, t))

10
python/ql/test/experimental/query-tests/Security/CWE-943/NoSQLInjection.expected
View File

@@ -53,6 +53,10 @@ edges
| pymongo_test.py:29:27:29:33 | ControlFlowNode for request | pymongo_test.py:29:27:29:38 | ControlFlowNode for Attribute |
| pymongo_test.py:29:27:29:38 | ControlFlowNode for Attribute | pymongo_test.py:29:27:29:50 | ControlFlowNode for Subscript |
| pymongo_test.py:29:27:29:50 | ControlFlowNode for Subscript | pymongo_test.py:29:16:29:51 | ControlFlowNode for Attribute() |
| pymongo_test.py:38:16:38:51 | ControlFlowNode for Attribute() | pymongo_test.py:42:34:42:73 | ControlFlowNode for Dict |
| pymongo_test.py:38:27:38:33 | ControlFlowNode for request | pymongo_test.py:38:27:38:38 | ControlFlowNode for Attribute |
| pymongo_test.py:38:27:38:38 | ControlFlowNode for Attribute | pymongo_test.py:38:27:38:50 | ControlFlowNode for Subscript |
| pymongo_test.py:38:27:38:50 | ControlFlowNode for Subscript | pymongo_test.py:38:16:38:51 | ControlFlowNode for Attribute() |
nodes
| flask_mongoengine_bad.py:19:21:19:27 | ControlFlowNode for request | semmle.label | ControlFlowNode for request |
| flask_mongoengine_bad.py:19:21:19:32 | ControlFlowNode for Attribute | semmle.label | ControlFlowNode for Attribute |
@@ -119,6 +123,11 @@ nodes
| pymongo_test.py:29:27:29:38 | ControlFlowNode for Attribute | semmle.label | ControlFlowNode for Attribute |
| pymongo_test.py:29:27:29:50 | ControlFlowNode for Subscript | semmle.label | ControlFlowNode for Subscript |
| pymongo_test.py:33:34:33:73 | ControlFlowNode for Dict | semmle.label | ControlFlowNode for Dict |
| pymongo_test.py:38:16:38:51 | ControlFlowNode for Attribute() | semmle.label | ControlFlowNode for Attribute() |
| pymongo_test.py:38:27:38:33 | ControlFlowNode for request | semmle.label | ControlFlowNode for request |
| pymongo_test.py:38:27:38:38 | ControlFlowNode for Attribute | semmle.label | ControlFlowNode for Attribute |
| pymongo_test.py:38:27:38:50 | ControlFlowNode for Subscript | semmle.label | ControlFlowNode for Subscript |
| pymongo_test.py:42:34:42:73 | ControlFlowNode for Dict | semmle.label | ControlFlowNode for Dict |
subpaths
#select
| flask_mongoengine_bad.py:22:34:22:44 | ControlFlowNode for json_search | flask_mongoengine_bad.py:19:21:19:27 | ControlFlowNode for request | flask_mongoengine_bad.py:22:34:22:44 | ControlFlowNode for json_search | $@ NoSQL query contains an unsanitized $@ | flask_mongoengine_bad.py:22:34:22:44 | ControlFlowNode for json_search | This | flask_mongoengine_bad.py:19:21:19:27 | ControlFlowNode for request | user-provided value |
@@ -132,3 +141,4 @@ subpaths
| mongoengine_bad.py:61:29:61:49 | ControlFlowNode for Dict | mongoengine_bad.py:57:21:57:27 | ControlFlowNode for request | mongoengine_bad.py:61:29:61:49 | ControlFlowNode for Dict | $@ NoSQL query contains an unsanitized $@ | mongoengine_bad.py:61:29:61:49 | ControlFlowNode for Dict | This | mongoengine_bad.py:57:21:57:27 | ControlFlowNode for request | user-provided value |
| pymongo_test.py:15:42:15:62 | ControlFlowNode for Dict | pymongo_test.py:12:21:12:27 | ControlFlowNode for request | pymongo_test.py:15:42:15:62 | ControlFlowNode for Dict | $@ NoSQL query contains an unsanitized $@ | pymongo_test.py:15:42:15:62 | ControlFlowNode for Dict | This | pymongo_test.py:12:21:12:27 | ControlFlowNode for request | user-provided value |
| pymongo_test.py:33:34:33:73 | ControlFlowNode for Dict | pymongo_test.py:29:27:29:33 | ControlFlowNode for request | pymongo_test.py:33:34:33:73 | ControlFlowNode for Dict | $@ NoSQL query contains an unsanitized $@ | pymongo_test.py:33:34:33:73 | ControlFlowNode for Dict | This | pymongo_test.py:29:27:29:33 | ControlFlowNode for request | user-provided value |
| pymongo_test.py:42:34:42:73 | ControlFlowNode for Dict | pymongo_test.py:38:27:38:33 | ControlFlowNode for request | pymongo_test.py:42:34:42:73 | ControlFlowNode for Dict | $@ NoSQL query contains an unsanitized $@ | pymongo_test.py:42:34:42:73 | ControlFlowNode for Dict | This | pymongo_test.py:38:27:38:33 | ControlFlowNode for request | user-provided value |