python-django/CVE-2022-34265.patch

diff -Naur a/django/db/backends/base/operations.py b/django/db/backends/base/operations.py
--- a/django/db/backends/base/operations.py	2022-12-06 17:12:38.000000000 +0800
+++ b/django/db/backends/base/operations.py	2022-12-09 11:49:05.347986919 +0800
@@ -9,6 +9,7 @@
 from django.db.backends import utils
 from django.utils import timezone
 from django.utils.encoding import force_str
+from django.utils.regex_helper import _lazy_re_compile
 
 
 class BaseDatabaseOperations:
@@ -53,6 +54,8 @@
 
     # Prefix for EXPLAIN queries, or None EXPLAIN isn't supported.
     explain_prefix = None
+    extract_trunc_lookup_pattern = _lazy_re_compile(r"[\w\-_()]+")
+
 
     def __init__(self, connection):
         self.connection = connection
diff -Naur a/django/db/models/functions/datetime.py b/django/db/models/functions/datetime.py
--- a/django/db/models/functions/datetime.py	2022-12-06 17:12:38.000000000 +0800
+++ b/django/db/models/functions/datetime.py	2022-12-09 11:50:50.011981885 +0800
@@ -51,6 +51,8 @@
         super().__init__(expression, **extra)
 
     def as_sql(self, compiler, connection):
+        if not connection.ops.extract_trunc_lookup_pattern.fullmatch(self.lookup_name):
+            raise ValueError("Invalid lookup_name: %s" % self.lookup_name)
         sql, params = compiler.compile(self.lhs)
         lhs_output_field = self.lhs.output_field
         if isinstance(lhs_output_field, DateTimeField):
@@ -243,6 +245,8 @@
         super().__init__(expression, output_field=output_field, **extra)
 
     def as_sql(self, compiler, connection):
+        if not connection.ops.extract_trunc_lookup_pattern.fullmatch(self.kind):
+            raise ValueError("Invalid kind: %s" % self.kind)
         sql, params = compiler.compile(self.lhs)
         tzname = None
         if isinstance(self.lhs.output_field, DateTimeField):