.gitignore

@@ -1 +1,4 @@
 SOURCES/cryptography-3.2.1.tar.gz
+/cryptography-3.2.1.tar.gz
+/artifacts
+/tests/artifacts

.python-cryptography.metadata

@@ -1 +0,0 @@
-20708a4955dcf7e2bb53d05418273d2bc0f80ab4 SOURCES/cryptography-3.2.1.tar.gz

0008-CVE-2023-49083.patch

@@ -0,0 +1,45 @@
+From 66cb448876b1e95b637461d13560b970bae09e08 Mon Sep 17 00:00:00 2001
+From: Alex Gaynor <alex.gaynor@gmail.com>
+Date: Wed, 22 Nov 2023 16:49:56 -0500
+Subject: [PATCH] Fixed crash when loading a PKCS#7 bundle with no certificates
+
+---
+ src/cryptography/hazmat/backends/openssl/backend.py | 5 ++++-
+ tests/hazmat/primitives/test_pkcs7.py               | 6 ++++++
+ 2 files changed, 10 insertions(+), 1 deletion(-)
+
+diff --git a/src/cryptography/hazmat/backends/openssl/backend.py b/src/cryptography/hazmat/backends/openssl/backend.py
+index 7c08862b307..adfd7aefe5f 100644
+--- a/src/cryptography/hazmat/backends/openssl/backend.py
++++ b/src/cryptography/hazmat/backends/openssl/backend.py
+@@ -1111,9 +1111,12 @@ def _load_pkcs7_certificates(self, p7) -> list[x509.Certificate]:
+                 _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 ceb84e5fb48..434a361057f 100644
+--- a/tests/hazmat/primitives/test_pkcs7.py
++++ b/tests/hazmat/primitives/test_pkcs7.py
+@@ -89,6 +89,12 @@ def test_load_pkcs7_unsupported_type(self, backend):
+                 mode="rb",
+             )
+ 
++    def test_load_pkcs7_empty_certificates(self):
++        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

gating.yaml

@@ -0,0 +1,6 @@
+--- !Policy
+product_versions:
+  - rhel-8
+decision_context: osci_compose_gate
+rules:
+  - !PassingTestCaseRule {test_case_name: osci.brew-build.tier0.functional}

python-cryptography.spec

@@ -6,7 +6,7 @@
 
 Name:           python-%{srcname}
 Version:        3.2.1
-Release:        7%{?dist}
+Release:        8%{?dist}
 Summary:        PyCA's cryptography library
 
 Group:          Development/Libraries
@@ -21,6 +21,7 @@ Patch0004:	0004-Revert-remove-NPN-bindings.patch
 Patch0005:	0005-CVE-2020-36242.patch
 # https://github.com/pyca/cryptography/pull/8230
 Patch0006:	0006-CVE-2023-23931.patch
+Patch0007:	0008-CVE-2023-49083.patch
 
 BuildRequires:  openssl-devel
 BuildRequires:  gcc
@@ -88,6 +89,10 @@ PYTHONPATH=%{buildroot}%{python3_sitearch} \
 
 
 %changelog
+* Wed Jul 02 2025 Francisco Triviño <ftrivino@redhat.com> - 3.2.1-8
+- Fix CVE-2023-49083: NULL-dereference when loading PKCS7 certificates,
+  resolves RHEL-97452
+
 * Fri Dec 01 2023 Christian Heimes <cheimes@redhat.com> - 3.2.1-7
 - Fix FTBFS caused by rsa_pkcs1_implicit_rejection OpenSSL feature, resolves: RHEL-17873
 

sources

@@ -0,0 +1 @@
+SHA512 (cryptography-3.2.1.tar.gz) = e3f1806693c24aadc3ef0df374ce1845760e87ad7c243226b75e80820b50bdc0760e4bb5f6ce26d62a6d23736b3109f72cd30b52ae2a36b26ec5656ec96c6175

tests/tests.yml

@@ -0,0 +1,66 @@
+---
+#
+# 1minutetip --buildroot rhel8
+#
+
+- hosts: localhost
+  tags:
+  - classic
+  roles:
+  - role: standard-test-source
+
+  - role: standard-test-basic
+    required_packages:
+    - python3-cryptography
+    - python3-cryptography-vectors
+    - python3-pretend
+    - python3-pytest
+    environment:
+      PYTHONPATH: "{{ srcdir }}/vectors"
+    tests:
+    - remove_hypothesis:
+        # remove tests that depend on python3-hypothesis package
+        dir: "source"
+        run: rm -rf tests/hypothesis/
+    - remove_iso8601:
+        # remove tests that depend on python3-iso8601 package
+        dir: "source"
+        run: rm -rf tests/test_fernet.py
+    - remove_scrypt:
+        # scrypt tests require more memory than available
+        dir: "source"
+        run: rm -f tests/hazmat/primitives/test_scrypt.py
+    # tests take some time, split up to avoid CI timeouts.
+    - unittests-basic:
+        dir: "source"
+        run: pytest-3 tests/test_*.py
+    - unittests-x509:
+        dir: "source"
+        run: pytest-3 tests/x509/
+    - unittests-hazmat:
+        dir: "source"
+        run: pytest-3 -k 'not test_openssl_memleak' tests/hazmat/backends/ tests/hazmat/bindings/
+    - unittests-primitives-aead:
+        dir: "source"
+        run: pytest-3 tests/hazmat/primitives/test_aead.py
+    - unittests-primitives-aes:
+        dir: "source"
+        run: >-
+            pytest-3
+            tests/hazmat/primitives/test_aes.py::TestAESModeCBC
+            tests/hazmat/primitives/test_aes.py::TestAESModeCTR
+            tests/hazmat/primitives/test_aes_gcm.py::TestAESModeGCM
+    - unittests-primitives-a-e:
+        dir: "source"
+        run: >-
+            pytest-3
+            tests/hazmat/primitives/test_arc4.py
+            tests/hazmat/primitives/test_asym_utils.py
+            tests/hazmat/primitives/test_[b-e]*.py
+    - unittests-primitives-f-z:
+        dir: "source"
+        run: >-
+            pytest-3
+            -k "not test_decrypt_invalid_decrypt"
+            tests/hazmat/primitives/test_[f-z]*.py
+            tests/hazmat/primitives/twofactor