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SSRF protection: Edge case handling for CGNAT and v4/v6 mapping (Z#23236468) (#6260)

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* SSRF protection: Edge case handling for CGNAT and v4/v6 mapping (Z#23236468)

* SMTP SSRF protection: Edge case handling for CGNAT and v4/v6 mapping (#6264)

---------

Co-authored-by: pajowu <engelhardt@pretix.eu>
This commit is contained in:
Raphael Michel
2026-06-26 16:45:20 +02:00
committed by GitHub
co-authored by pajowu
parent a8997f8971
commit 1f5fe1b237
4 changed files with 13 additions and 1 deletions
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src/tests/base/test_mail.py
+3
View File
@@ -602,10 +602,13 @@ PRIVATE_IPS_RES = [
[(socket.AF_INET, socket.SOCK_STREAM, 6, '', ('127.1.1.1', 443))],
[(socket.AF_INET, socket.SOCK_STREAM, 6, '', ('192.168.5.3', 443))],
[(socket.AF_INET, socket.SOCK_STREAM, 6, '', ('224.0.0.1', 443))],
[(socket.AF_INET, socket.SOCK_STREAM, 6, '', ('100.64.0.1', 443))],
[(socket.AF_INET, socket.SOCK_STREAM, 6, '', ('100.100.100.100', 443))],
[(socket.AF_INET6, socket.SOCK_STREAM, 6, '', ('::1', 443, 0, 0))],
[(socket.AF_INET6, socket.SOCK_STREAM, 6, '', ('fe80::1', 443, 0, 0))],
[(socket.AF_INET6, socket.SOCK_STREAM, 6, '', ('ff00::1', 443, 0, 0))],
[(socket.AF_INET6, socket.SOCK_STREAM, 6, '', ('fc00::1', 443, 0, 0))],
[(socket.AF_INET6, socket.SOCK_STREAM, 6, '', ('::ffff:100.64.0.1', 443, 0, 0))],
]
src/tests/helpers/test_urllib.py
+3
View File
@@ -43,6 +43,8 @@ def test_private_ip_blocked():
requests.get("https://10.0.0.1", timeout=0.1)
with pytest.raises(HTTPError, match="Request to RFC 6598 address.*"):
requests.get("https://100.100.100.100", timeout=0.1)
with pytest.raises(HTTPError, match="Request to RFC 6598 address.*"):
requests.get("https://[::ffff:100.64.0.1]", timeout=0.1)
@pytest.mark.django_db
@@ -58,6 +60,7 @@ def test_private_ip_blocked():
[(AF_INET6, SOCK_STREAM, 6, '', ('fe80::1', 443, 0, 0))],
[(AF_INET6, SOCK_STREAM, 6, '', ('ff00::1', 443, 0, 0))],
[(AF_INET6, SOCK_STREAM, 6, '', ('fc00::1', 443, 0, 0))],
[(AF_INET6, SOCK_STREAM, 6, "", ("::ffff:100.64.0.1", 443, 0, 0))],
])
def test_dns_resolving_to_local_blocked(res):
with mock.patch('socket.getaddrinfo') as mock_addr: