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python: add summaries for

Browse Source 
copy, pop, get, getitem, setdefault

Also add read steps to taint tracking.

Reading from a tainted collection can be done in two situations:
1. There is an acces path
    In this case a read step (possibly from a flow summary)
    gives rise to a taint step.
2. There is no access path
    In this case an explicit taint step (possibly via a flow
    summary) should exist.
This commit is contained in:
Rasmus Lerchedahl Petersen
2023-05-23 14:22:52 +02:00
parent 144df9a39e
commit 9cb83fcdc9
36 changed files with 963 additions and 99 deletions
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57
python/ql/test/query-tests/Security/CWE-020-ExternalAPIs/UntrustedDataToExternalAPI.expected
View File

@@ -1,4 +1,61 @@
edges
| test.py:5:26:5:32 | ControlFlowNode for ImportMember | test.py:5:26:5:32 | GSSA Variable request |
| test.py:5:26:5:32 | GSSA Variable request | test.py:13:16:13:22 | ControlFlowNode for request |
| test.py:5:26:5:32 | GSSA Variable request | test.py:23:16:23:22 | ControlFlowNode for request |
| test.py:5:26:5:32 | GSSA Variable request | test.py:34:12:34:18 | ControlFlowNode for request |
| test.py:5:26:5:32 | GSSA Variable request | test.py:42:12:42:18 | ControlFlowNode for request |
| test.py:5:26:5:32 | GSSA Variable request | test.py:54:12:54:18 | ControlFlowNode for request |
| test.py:13:16:13:22 | ControlFlowNode for request | test.py:13:16:13:27 | ControlFlowNode for Attribute |
| test.py:13:16:13:27 | ControlFlowNode for Attribute | test.py:13:16:13:39 | ControlFlowNode for Attribute() |
| test.py:13:16:13:39 | ControlFlowNode for Attribute() | test.py:15:36:15:39 | ControlFlowNode for data |
| test.py:23:16:23:22 | ControlFlowNode for request | test.py:23:16:23:27 | ControlFlowNode for Attribute |
| test.py:23:16:23:27 | ControlFlowNode for Attribute | test.py:23:16:23:39 | ControlFlowNode for Attribute() |
| test.py:23:16:23:39 | ControlFlowNode for Attribute() | test.py:25:44:25:47 | ControlFlowNode for data |
| test.py:34:12:34:18 | ControlFlowNode for request | test.py:34:12:34:23 | ControlFlowNode for Attribute |
| test.py:34:12:34:23 | ControlFlowNode for Attribute | test.py:34:12:34:35 | ControlFlowNode for Attribute() |
| test.py:34:12:34:35 | ControlFlowNode for Attribute() | test.py:35:10:35:13 | ControlFlowNode for data |
| test.py:34:12:34:35 | ControlFlowNode for Attribute() | test.py:36:13:36:16 | ControlFlowNode for data |
| test.py:42:12:42:18 | ControlFlowNode for request | test.py:42:12:42:23 | ControlFlowNode for Attribute |
| test.py:42:12:42:23 | ControlFlowNode for Attribute | test.py:42:12:42:35 | ControlFlowNode for Attribute() |
| test.py:42:12:42:35 | ControlFlowNode for Attribute() | test.py:43:22:43:25 | ControlFlowNode for data |
| test.py:42:12:42:35 | ControlFlowNode for Attribute() | test.py:44:25:44:28 | ControlFlowNode for data |
| test.py:47:17:47:19 | ControlFlowNode for arg | test.py:50:32:50:34 | ControlFlowNode for arg |
| test.py:54:12:54:18 | ControlFlowNode for request | test.py:54:12:54:23 | ControlFlowNode for Attribute |
| test.py:54:12:54:23 | ControlFlowNode for Attribute | test.py:54:12:54:35 | ControlFlowNode for Attribute() |
| test.py:54:12:54:35 | ControlFlowNode for Attribute() | test.py:55:17:55:20 | ControlFlowNode for data |
| test.py:55:17:55:20 | ControlFlowNode for data | test.py:47:17:47:19 | ControlFlowNode for arg |
nodes
| test.py:5:26:5:32 | ControlFlowNode for ImportMember | semmle.label | ControlFlowNode for ImportMember |
| test.py:5:26:5:32 | GSSA Variable request | semmle.label | GSSA Variable request |
| test.py:13:16:13:22 | ControlFlowNode for request | semmle.label | ControlFlowNode for request |
| test.py:13:16:13:27 | ControlFlowNode for Attribute | semmle.label | ControlFlowNode for Attribute |
| test.py:13:16:13:39 | ControlFlowNode for Attribute() | semmle.label | ControlFlowNode for Attribute() |
| test.py:15:36:15:39 | ControlFlowNode for data | semmle.label | ControlFlowNode for data |
| test.py:23:16:23:22 | ControlFlowNode for request | semmle.label | ControlFlowNode for request |
| test.py:23:16:23:27 | ControlFlowNode for Attribute | semmle.label | ControlFlowNode for Attribute |
| test.py:23:16:23:39 | ControlFlowNode for Attribute() | semmle.label | ControlFlowNode for Attribute() |
| test.py:25:44:25:47 | ControlFlowNode for data | semmle.label | ControlFlowNode for data |
| test.py:34:12:34:18 | ControlFlowNode for request | semmle.label | ControlFlowNode for request |
| test.py:34:12:34:23 | ControlFlowNode for Attribute | semmle.label | ControlFlowNode for Attribute |
| test.py:34:12:34:35 | ControlFlowNode for Attribute() | semmle.label | ControlFlowNode for Attribute() |
| test.py:35:10:35:13 | ControlFlowNode for data | semmle.label | ControlFlowNode for data |
| test.py:36:13:36:16 | ControlFlowNode for data | semmle.label | ControlFlowNode for data |
| test.py:42:12:42:18 | ControlFlowNode for request | semmle.label | ControlFlowNode for request |
| test.py:42:12:42:23 | ControlFlowNode for Attribute | semmle.label | ControlFlowNode for Attribute |
| test.py:42:12:42:35 | ControlFlowNode for Attribute() | semmle.label | ControlFlowNode for Attribute() |
| test.py:43:22:43:25 | ControlFlowNode for data | semmle.label | ControlFlowNode for data |
| test.py:44:25:44:28 | ControlFlowNode for data | semmle.label | ControlFlowNode for data |
| test.py:47:17:47:19 | ControlFlowNode for arg | semmle.label | ControlFlowNode for arg |
| test.py:50:32:50:34 | ControlFlowNode for arg | semmle.label | ControlFlowNode for arg |
| test.py:54:12:54:18 | ControlFlowNode for request | semmle.label | ControlFlowNode for request |
| test.py:54:12:54:23 | ControlFlowNode for Attribute | semmle.label | ControlFlowNode for Attribute |
| test.py:54:12:54:35 | ControlFlowNode for Attribute() | semmle.label | ControlFlowNode for Attribute() |
| test.py:55:17:55:20 | ControlFlowNode for data | semmle.label | ControlFlowNode for data |
subpaths
#select
| test.py:15:36:15:39 | ControlFlowNode for data | test.py:5:26:5:32 | ControlFlowNode for ImportMember | test.py:15:36:15:39 | ControlFlowNode for data | Call to hmac.new [position 1] with untrusted data from $@. | test.py:5:26:5:32 | ControlFlowNode for ImportMember | ControlFlowNode for ImportMember |
| test.py:25:44:25:47 | ControlFlowNode for data | test.py:5:26:5:32 | ControlFlowNode for ImportMember | test.py:25:44:25:47 | ControlFlowNode for data | Call to hmac.new [keyword msg] with untrusted data from $@. | test.py:5:26:5:32 | ControlFlowNode for ImportMember | ControlFlowNode for ImportMember |
| test.py:35:10:35:13 | ControlFlowNode for data | test.py:5:26:5:32 | ControlFlowNode for ImportMember | test.py:35:10:35:13 | ControlFlowNode for data | Call to unknown.lib.func [position 0] with untrusted data from $@. | test.py:5:26:5:32 | ControlFlowNode for ImportMember | ControlFlowNode for ImportMember |
| test.py:36:13:36:16 | ControlFlowNode for data | test.py:5:26:5:32 | ControlFlowNode for ImportMember | test.py:36:13:36:16 | ControlFlowNode for data | Call to unknown.lib.func [keyword kw] with untrusted data from $@. | test.py:5:26:5:32 | ControlFlowNode for ImportMember | ControlFlowNode for ImportMember |
| test.py:43:22:43:25 | ControlFlowNode for data | test.py:5:26:5:32 | ControlFlowNode for ImportMember | test.py:43:22:43:25 | ControlFlowNode for data | Call to unknown.lib.func [position 0] with untrusted data from $@. | test.py:5:26:5:32 | ControlFlowNode for ImportMember | ControlFlowNode for ImportMember |
| test.py:44:25:44:28 | ControlFlowNode for data | test.py:5:26:5:32 | ControlFlowNode for ImportMember | test.py:44:25:44:28 | ControlFlowNode for data | Call to unknown.lib.func [keyword kw] with untrusted data from $@. | test.py:5:26:5:32 | ControlFlowNode for ImportMember | ControlFlowNode for ImportMember |