diff options
Diffstat (limited to 'nixpkgs/pkgs/tools/filesystems/ceph/python-cryptography-Cherry-pick-fix-for-CVE-2023-49083-on-cryptography-40.patch')
| -rw-r--r-- | nixpkgs/pkgs/tools/filesystems/ceph/python-cryptography-Cherry-pick-fix-for-CVE-2023-49083-on-cryptography-40.patch | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/nixpkgs/pkgs/tools/filesystems/ceph/python-cryptography-Cherry-pick-fix-for-CVE-2023-49083-on-cryptography-40.patch b/nixpkgs/pkgs/tools/filesystems/ceph/python-cryptography-Cherry-pick-fix-for-CVE-2023-49083-on-cryptography-40.patch new file mode 100644 index 000000000000..7ca05cf7450f --- /dev/null +++ b/nixpkgs/pkgs/tools/filesystems/ceph/python-cryptography-Cherry-pick-fix-for-CVE-2023-49083-on-cryptography-40.patch @@ -0,0 +1,44 @@ +commit 08dbad8552ecca85d3e38072f94eb864b143d218 +Author: Niklas Hambüchen <mail@nh2.me> +Date: Mon Jan 22 12:52:06 2024 +0000 + + Cherry-pick fix for CVE-2023-49083 + + Cherry-Picked-From: f09c261ca10a31fe41b1262306db7f8f1da0e48a + Cherry-Picked-By: Niklas Hambüchen <mail@nh2.me> + +diff --git a/src/cryptography/hazmat/backends/openssl/backend.py b/src/cryptography/hazmat/backends/openssl/backend.py +index a3fe1bce4..58e7207c4 100644 +--- a/src/cryptography/hazmat/backends/openssl/backend.py ++++ b/src/cryptography/hazmat/backends/openssl/backend.py +@@ -2383,9 +2383,12 @@ class Backend: + _Reasons.UNSUPPORTED_SERIALIZATION, + ) + ++ certs: list[x509.Certificate] = [] ++ if p7.d.sign == self._ffi.NULL: ++ return certs ++ + sk_x509 = p7.d.sign.cert + num = self._lib.sk_X509_num(sk_x509) +- certs = [] + for i in range(num): + x509 = self._lib.sk_X509_value(sk_x509, i) + self.openssl_assert(x509 != self._ffi.NULL) +diff --git a/tests/hazmat/primitives/test_pkcs7.py b/tests/hazmat/primitives/test_pkcs7.py +index 4e61c5ef5..d8170bfb9 100644 +--- a/tests/hazmat/primitives/test_pkcs7.py ++++ b/tests/hazmat/primitives/test_pkcs7.py +@@ -89,6 +89,12 @@ class TestPKCS7Loading: + mode="rb", + ) + ++ def test_load_pkcs7_empty_certificates(self, backend): ++ der = b"\x30\x0B\x06\x09\x2A\x86\x48\x86\xF7\x0D\x01\x07\x02" ++ ++ certificates = pkcs7.load_der_pkcs7_certificates(der) ++ assert certificates == [] ++ + + # We have no public verification API and won't be adding one until we get + # some requirements from users so this function exists to give us basic |