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import CS python-cryptography-3.2.1-6.el8

This commit is contained in:
eabdullin 2023-09-27 13:58:50 +00:00
parent 8049d2384a
commit 1947d4467f
2 changed files with 52 additions and 3 deletions
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42
SOURCES/0006-CVE-2023-23931.patch Normal file
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@ -0,0 +1,42 @@
From 94a50a9731f35405f0357fa5f3b177d46a726ab3 Mon Sep 17 00:00:00 2001
From: Alex Gaynor <alex.gaynor@gmail.com>
Date: Tue, 31 Jan 2023 08:33:54 -0500
Subject: [PATCH] Don't allow update_into to mutate immutable objects
---
src/cryptography/hazmat/backends/openssl/ciphers.py | 2 +-
tests/hazmat/primitives/test_ciphers.py | 8 ++++++++
2 files changed, 9 insertions(+), 1 deletion(-)
diff --git a/src/cryptography/hazmat/backends/openssl/ciphers.py b/src/cryptography/hazmat/backends/openssl/ciphers.py
index 286583f9325..075d68fb905 100644
--- a/src/cryptography/hazmat/backends/openssl/ciphers.py
+++ b/src/cryptography/hazmat/backends/openssl/ciphers.py
@@ -156,7 +156,7 @@ def update_into(self, data: bytes, buf: bytes) -> int:
data_processed = 0
total_out = 0
outlen = self._backend._ffi.new("int *")
- baseoutbuf = self._backend._ffi.from_buffer(buf)
+ baseoutbuf = self._backend._ffi.from_buffer(buf, require_writable=True)
baseinbuf = self._backend._ffi.from_buffer(data)
while data_processed != total_data_len:
diff --git a/tests/hazmat/primitives/test_ciphers.py b/tests/hazmat/primitives/test_ciphers.py
index 02127dd9cab..bf3b047dec2 100644
--- a/tests/hazmat/primitives/test_ciphers.py
+++ b/tests/hazmat/primitives/test_ciphers.py
@@ -318,6 +318,14 @@ def test_update_into_buffer_too_small(self, backend):
with pytest.raises(ValueError):
encryptor.update_into(b"testing", buf)
+ def test_update_into_immutable(self, backend):
+ key = b"\x00" * 16
+ c = ciphers.Cipher(AES(key), modes.ECB(), backend)
+ encryptor = c.encryptor()
+ buf = b"\x00" * 32
+ with pytest.raises((TypeError, BufferError)):
+ encryptor.update_into(b"testing", buf)
+
@pytest.mark.supported(
only_if=lambda backend: backend.cipher_supported(
AES(b"\x00" * 16), modes.GCM(b"\x00" * 12)

13
SPECS/python-cryptography.spec
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@ -1,10 +1,12 @@
%{!?python3_pkgversion:%global python3_pkgversion 3}
%global srcname cryptography
# rhbz#2172416: from_buffer(..., require_writable=True)
%global cffi_version 1.11.5-6
Name: python-%{srcname}
Version: 3.2.1
Release: 5%{?dist}
Release: 6%{?dist}
Summary: PyCA's cryptography library
Group: Development/Libraries
@ -17,6 +19,8 @@ Patch0002: 0002-Support-pytest-3.4.2.patch
Patch0003: 0003-Skip-iso8601-test-cases.patch
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
BuildRequires: openssl-devel
BuildRequires: gcc
@ -29,7 +33,7 @@ BuildRequires: python%{python3_pkgversion}-pretend
BuildRequires: python%{python3_pkgversion}-cryptography-vectors = %{version}
BuildRequires: python%{python3_pkgversion}-pytz
BuildRequires: python%{python3_pkgversion}-six >= 1.4.1
BuildRequires: python%{python3_pkgversion}-cffi >= 1.7
BuildRequires: python%{python3_pkgversion}-cffi >= %{cffi_version}
%description
cryptography is a package designed to expose cryptographic primitives and
@ -42,7 +46,7 @@ Summary: PyCA's cryptography library
Requires: openssl-libs
Requires: python%{python3_pkgversion}-six >= 1.4.1
Requires: python%{python3_pkgversion}-cffi >= 1.7
Requires: python%{python3_pkgversion}-cffi >= %{cffi_version}
Conflicts: python%{python3_pkgversion}-cryptography-vectors < %{version}
Conflicts: python%{python3_pkgversion}-cryptography-vectors > %{version}
@ -82,6 +86,9 @@ PYTHONPATH=%{buildroot}%{python3_sitearch} %{__python3} -m pytest
%changelog
* Wed Feb 22 2023 Christian Heimes <cheimes@redhat.com> - 3.2.1-6
- Fix CVE-2023-23931: Don't allow update_into to mutate immutable objects, resolves rhbz#2172404
* Tue Jun 08 2021 Christian Heimes <cheimes@redhat.com> - 3.2.1-5
- Rebuild for RHEL 8.5
- Resolves: rhbz#1933071