Security fix for CVE-2025-47273

Resolves: RHEL-96800

CVE-2025-47273.patch

@@ -0,0 +1,29 @@
+From 19d6fa7fcb22aef8192dcbc0adb920c12cb6a648 Mon Sep 17 00:00:00 2001
+From: "Jason R. Coombs" <jaraco@jaraco.com>
+Date: Sat, 19 Apr 2025 13:03:47 -0400
+Subject: [PATCH] Add a check to ensure the name resolves relative to the
+ tmpdir.
+
+Closes #4946
+---
+ setuptools/package_index.py | 4 ++++
+ 1 file changed, 4 insertions(+)
+
+diff --git a/setuptools/package_index.py b/setuptools/package_index.py
+index f52592a..ebafe9f 100644
+--- a/setuptools/package_index.py
++++ b/setuptools/package_index.py
+@@ -828,6 +828,10 @@ class PackageIndex(Environment):
+ 
+         filename = os.path.join(tmpdir, name)
+ 
++        # ensure path resolves within the tmpdir
++        if not filename.startswith(str(tmpdir)):
++            raise ValueError(f"Invalid filename {filename}")
++
+         # Download the file
+         #
+         if scheme == 'svn' or scheme.startswith('svn+'):
+-- 
+2.49.0
+

python-setuptools.spec

@@ -52,6 +52,12 @@ Patch:          Adjust-the-setup.py-install-deprecation-message.patch
 # Patch simplified because upstream doesn't support SVN anymore.
 Patch:          CVE-2024-6345.patch
 
+# Security fix for CVE-2025-47273
+# Path traversal in PackageIndex.download leads to Arbitrary File Write
+# Upstream solution: https://github.com/pypa/setuptools/pull/4951/
+Patch:          CVE-2025-47273.patch
+
+
 BuildArch:      noarch
 
 BuildRequires:  python%{python3_pkgversion}-devel