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authorMariusz Felisiak <felisiak.mariusz@gmail.com>2021-05-24 09:55:14 +0200
committerCarlton Gibson <carlton.gibson@noumenal.es>2021-06-02 10:44:39 +0200
commit9f75e2e562fa0c0482f3dde6fc7399a9070b4a3d (patch)
tree24b1f55302cfd60a9c321ef1c00d70d42c0acd88 /tests/validators/tests.py
parentdfaba12cda060b8b292ae1d271b44bf810b1c5b9 (diff)
[3.2.x] Fixed CVE-2021-33571 -- Prevented leading zeros in IPv4 addresses.
validate_ipv4_address() was affected only on Python < 3.9.5, see [1]. URLValidator() uses a regular expressions and it was affected on all Python versions. [1] https://bugs.python.org/issue36384
Diffstat (limited to 'tests/validators/tests.py')
-rw-r--r--tests/validators/tests.py20
1 files changed, 20 insertions, 0 deletions
diff --git a/tests/validators/tests.py b/tests/validators/tests.py
index 09d5c40ff5..e39d0e3a1c 100644
--- a/tests/validators/tests.py
+++ b/tests/validators/tests.py
@@ -136,6 +136,16 @@ TEST_DATA = [
(validate_ipv4_address, '1.1.1.1\n', ValidationError),
(validate_ipv4_address, '٧.2٥.3٣.243', ValidationError),
+ # Leading zeros are forbidden to avoid ambiguity with the octal notation.
+ (validate_ipv4_address, '000.000.000.000', ValidationError),
+ (validate_ipv4_address, '016.016.016.016', ValidationError),
+ (validate_ipv4_address, '192.168.000.001', ValidationError),
+ (validate_ipv4_address, '01.2.3.4', ValidationError),
+ (validate_ipv4_address, '01.2.3.4', ValidationError),
+ (validate_ipv4_address, '1.02.3.4', ValidationError),
+ (validate_ipv4_address, '1.2.03.4', ValidationError),
+ (validate_ipv4_address, '1.2.3.04', ValidationError),
+
# validate_ipv6_address uses django.utils.ipv6, which
# is tested in much greater detail in its own testcase
(validate_ipv6_address, 'fe80::1', None),
@@ -161,6 +171,16 @@ TEST_DATA = [
(validate_ipv46_address, '::zzz', ValidationError),
(validate_ipv46_address, '12345::', ValidationError),
+ # Leading zeros are forbidden to avoid ambiguity with the octal notation.
+ (validate_ipv46_address, '000.000.000.000', ValidationError),
+ (validate_ipv46_address, '016.016.016.016', ValidationError),
+ (validate_ipv46_address, '192.168.000.001', ValidationError),
+ (validate_ipv46_address, '01.2.3.4', ValidationError),
+ (validate_ipv46_address, '01.2.3.4', ValidationError),
+ (validate_ipv46_address, '1.02.3.4', ValidationError),
+ (validate_ipv46_address, '1.2.03.4', ValidationError),
+ (validate_ipv46_address, '1.2.3.04', ValidationError),
+
(validate_comma_separated_integer_list, '1', None),
(validate_comma_separated_integer_list, '12', None),
(validate_comma_separated_integer_list, '1,2', None),