From 251fad8834bfa056210a3063c59edb4f5ea6e996 Mon Sep 17 00:00:00 2001
From: dillon_chen <chenqide@kylinos.cn>
Date: Tue, 19 Sep 2023 18:03:33 +0800
Subject: [PATCH] CVE-2022-40023

---
 python-mako-1.0.6-CVE-2022-40023.patch | 89 ++++++++++++++++++++++++++
 python-mako.spec                       |  9 ++-
 2 files changed, 96 insertions(+), 2 deletions(-)
 create mode 100644 python-mako-1.0.6-CVE-2022-40023.patch

diff --git a/python-mako-1.0.6-CVE-2022-40023.patch b/python-mako-1.0.6-CVE-2022-40023.patch
new file mode 100644
index 0000000..ad93c73
--- /dev/null
+++ b/python-mako-1.0.6-CVE-2022-40023.patch
@@ -0,0 +1,89 @@
+From fae3baa78626f420a963abcd7426092423a2b71b Mon Sep 17 00:00:00 2001
+From: Mike Bayer <mike_mp@zzzcomputing.com>
+Date: Mon, 29 Aug 2022 12:28:52 -0400
+Subject: [PATCH] fix tag regexp to match quoted groups correctly
+
+Fixed issue in lexer where the regexp used to match tags would not
+correctly interpret quoted sections individually. While this parsing issue
+still produced the same expected tag structure later on, the mis-handling
+of quoted sections was also subject to a regexp crash if a tag had a large
+number of quotes within its quoted sections.
+
+Fixes: #366
+Change-Id: I74e0d71ff7f419970711a7cd51adcf1bb90a44c0
+---
+ doc/build/unreleased/366.rst |  9 +++++++++
+ mako/lexer.py                | 13 +++++++++----
+ test/test_lexer.py           |  4 ++++
+ 3 files changed, 22 insertions(+), 4 deletions(-)
+ create mode 100644 doc/build/unreleased/366.rst
+
+diff --git a/doc/build/unreleased/366.rst b/doc/build/unreleased/366.rst
+new file mode 100644
+index 0000000..27b0278
+--- /dev/null
++++ b/doc/build/unreleased/366.rst
+@@ -0,0 +1,9 @@
++.. change::
++    :tags: bug, lexer
++    :tickets: 366
++
++    Fixed issue in lexer where the regexp used to match tags would not
++    correctly interpret quoted sections individually. While this parsing issue
++    still produced the same expected tag structure later on, the mis-handling
++    of quoted sections was also subject to a regexp crash if a tag had a large
++    number of quotes within its quoted sections.
+\ No newline at end of file
+diff --git a/mako/lexer.py b/mako/lexer.py
+index cf4187f..2224e77 100644
+--- a/mako/lexer.py
++++ b/mako/lexer.py
+@@ -271,21 +271,26 @@ class Lexer(object):
+         return self.template
+ 
+     def match_tag_start(self):
+-        match = self.match(r'''
++        reg = r"""
+             \<%     # opening tag
+ 
+             ([\w\.\:]+)   # keyword
+ 
+-            ((?:\s+\w+|\s*=\s*|".*?"|'.*?')*)  # attrname, = \
++            ((?:\s+\w+|\s*=\s*|"[^"]*?"|'[^']*?'|\s*,\s*)*)  # attrname, = \
+                                                #        sign, string expression
++                                               # comma is for backwards compat
++                                               # identified in #366
+ 
+             \s*     # more whitespace
+ 
+             (/)?>   # closing
+ 
+-            ''',
++        """
+ 
+-                           re.I | re.S | re.X)
++        match = self.match(
++            reg,
++            re.I | re.S | re.X
++        )
+ 
+         if match:
+             keyword, attr, isend = match.groups()
+diff --git a/test/test_lexer.py b/test/test_lexer.py
+index 06ebb05..bcf787e 100644
+--- a/test/test_lexer.py
++++ b/test/test_lexer.py
+@@ -105,6 +105,10 @@ class LexerTest(TemplateTest):
+         self.assertRaises(exceptions.CompileException,
+                           Lexer(template).parse)
+ 
++    def test_tag_many_quotes(self):
++        template = "<%0" + '"' * 3000
++        self.assertRaises(exceptions.SyntaxException, Lexer(template).parse)
++
+     def test_unmatched_tag(self):
+         template = \
+             """
+-- 
+2.39.0
+
diff --git a/python-mako.spec b/python-mako.spec
index 7fc3cde..f57a80e 100644
--- a/python-mako.spec
+++ b/python-mako.spec
@@ -2,12 +2,14 @@
 %bcond_without python3
 Name: python-mako
 Version: 1.0.6
-Release: 13
+Release: 14
 Summary: Mako template library for Python
 License: (MIT and Python) and (BSD or GPLv2)
 Group: Development/Languages
 URL: http://www.makotemplates.org/
 Source0: https://bitbucket.org/zzzeek/mako/get/rel_%(echo %{version} | sed "s/\./_/g").tar.bz2
+Patch0:  python-mako-1.0.6-CVE-2022-40023.patch
+
 BuildArch: noarch
 
 BuildRequires: python2-devel python2-pytest python2-setuptools
@@ -49,7 +51,7 @@ Requires:   python3-mako = %{version}-%{release}
 Help file of Mako library for Python in text and HTML formats.
 
 %prep
-%autosetup -n zzzeek-mako-8e83c7561e3c
+%autosetup -p1 -n zzzeek-mako-8e83c7561e3c
 
 %build
 %{?with_python2:%py2_build}
@@ -84,6 +86,9 @@ rm -rf doc/build
 %doc doc
 
 %changelog
+* Tue Sep 19 2023 dillon chen <dillon.chen@gmail.com> - 1.0.6-14
+- CVE-2022-40023
+
 * Wed Sep 2 2020 wenzhanli<wenzhanli2@huawei.com> - 1.0.6-13
 - Add python2 python3 definition
 
-- 
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