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Fixed CVE-2022-28346 -- Protected QuerySet.annotate(), aggregate(), and extra() against SQL injection in column aliases.

Browse source 
Thanks Splunk team: Preston Elder, Jacob Davis, Jacob Moore,
Matt Hanson, David Briggs, and a security researcher: Danylo Dmytriiev
(DDV_UA) for the report.
This commit is contained in:
Mariusz Felisiak 2022-04-01 08:10:22 +02:00
parent 62739b6e26
commit 93cae5cb2f
8 changed files with 108 additions and 0 deletions
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9
tests/expressions/test_queryset_values.py
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@ -34,6 +34,15 @@ class ValuesExpressionsTests(TestCase):
[{"salary": 10}, {"salary": 20}, {"salary": 30}],
)
def test_values_expression_alias_sql_injection(self):
crafted_alias = """injected_name" from "expressions_company"; --"""
msg = (
"Column aliases cannot contain whitespace characters, quotation marks, "
"semicolons, or SQL comments."
)
with self.assertRaisesMessage(ValueError, msg):
Company.objects.values(**{crafted_alias: F("ceo__salary")})
def test_values_expression_group_by(self):
# values() applies annotate() first, so values selected are grouped by
# id, not firstname.