A benchmark to study the available taint-analysis tools for Python. This repository originally came from benchmark-for-taint-analysis-tools-for-python by Rajiv Thorat for evaluating various SAST tools. Credit to Rajiv for creating all the tests and meta-data.
This has been simplified to be mainly used with joern-benchmarks.
The tests themselves can be found under tests where the analysis category and test number form the directory name.
Each directory contains a Pipfile and requirements.txt to allow for each program to be constructed as an executable
test case.
Some test cases include benign code to exercise a tools precision against true negatives. These test files are suffixed to represent this as follows:
_actual.py: A flow exists from a tainted source to sink (true positive/false negative)_sanitize.py: A flow exists from a tainted source to sink via a sanitizer (false positive/true negative)_false_positive.py: No flow exists from a tainted source to sink via a sanitizer (false positive/true negative)
tests_metadata mirrors the directories under tests and contains various JSON files suffixed similarly to the tests:
_actual_taf.json_sanitized_taf.json_false_positive_taf.json
Each will specify the source, sink, and if a flow exists.
Then there is a file suffixed as _meta-data.json describing the whole test and various related metrics.
metrics.py will generate a simple summary as below, including a JSON readable variant tests_summary.json.
| Category | Actual Flow | No Flow | Sanitized Flow | Total |
|---|---|---|---|---|
| dict_access | 1 | 1 | 1 | 3 |
| lambda_functions | 2 | 0 | 0 | 2 |
| with_statement | 3 | 0 | 3 | 6 |
| for_statement | 1 | 1 | 1 | 3 |
| minimal_test | 2 | 1 | 0 | 3 |
| while_statement | 1 | 1 | 1 | 3 |
| decorator | 2 | 0 | 0 | 2 |
| function_call | 2 | 0 | 1 | 3 |
| field_sensitivity | 2 | 3 | 3 | 8 |
| list_access | 2 | 1 | 0 | 3 |
| multi_dimensional_array | 1 | 1 | 0 | 2 |
| reflection | 3 | 0 | 0 | 3 |
| deque_access | 1 | 1 | 1 | 3 |
| list_to_string | 1 | 0 | 0 | 1 |
| static_functions | 1 | 0 | 0 | 1 |
| imports | 1 | 0 | 0 | 1 |
| threading | 1 | 1 | 0 | 2 |
| inherited_objects | 1 | 1 | 0 | 2 |
| exceptions | 3 | 2 | 0 | 5 |
| serialization | 1 | 0 | 0 | 1 |
| object_sensitivity | 1 | 1 | 1 | 3 |
| aliasing | 1 | 1 | 0 | 2 |
| exec | 1 | 0 | 0 | 1 |
| deque_clone | 1 | 0 | 0 | 1 |
| if_statement | 1 | 1 | 1 | 3 |
| structural_subtypting | 1 | 1 | 0 | 2 |
| abstract_factory | 1 | 0 | 1 | 2 |
| recursion | 1 | 0 | 0 | 1 |
| list_copy | 1 | 1 | 0 | 2 |
| Grand Total | 74 |
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