!47 fix CVE-2024-34064
From: @xuchenc Reviewed-by: @dillon_chen Signed-off-by: @dillon_chen
This commit is contained in:
commit
bf97ca7b4d
105
0001-disallow-invalid-characters-in-keys-to-xmlattr-filte.patch
Normal file
105
0001-disallow-invalid-characters-in-keys-to-xmlattr-filte.patch
Normal file
@ -0,0 +1,105 @@
|
||||
From d655030770081e2dfe46f90e27620472a502289d Mon Sep 17 00:00:00 2001
|
||||
From: David Lord <davidism@gmail.com>
|
||||
Date: Tue, 7 May 2024 10:19:28 +0800
|
||||
Subject: [PATCH] disallow invalid characters in keys to xmlattr filter
|
||||
|
||||
---
|
||||
Jinja2-3.1.3/CHANGES.rst | 6 ++++++
|
||||
Jinja2-3.1.3/src/jinja2/filters.py | 21 ++++++++++++++++-----
|
||||
Jinja2-3.1.3/tests/test_filters.py | 11 ++++++-----
|
||||
3 files changed, 28 insertions(+), 10 deletions(-)
|
||||
|
||||
diff --git a/Jinja2-3.1.3/CHANGES.rst b/Jinja2-3.1.3/CHANGES.rst
|
||||
index 08a1785..f70cacb 100644
|
||||
--- a/Jinja2-3.1.3/CHANGES.rst
|
||||
+++ b/Jinja2-3.1.3/CHANGES.rst
|
||||
@@ -1,5 +1,11 @@
|
||||
.. currentmodule:: jinja2
|
||||
|
||||
+- The ``xmlattr`` filter does not allow keys with ``/`` solidus, ``>``
|
||||
+ greater-than sign, or ``=`` equals sign, in addition to disallowing spaces.
|
||||
+ Regardless of any validation done by Jinja, user input should never be used
|
||||
+ as keys to this filter, or must be separately validated first.
|
||||
+ GHSA-h75v-3vvj-5mfj
|
||||
+
|
||||
Version 3.1.3
|
||||
-------------
|
||||
|
||||
diff --git a/Jinja2-3.1.3/src/jinja2/filters.py b/Jinja2-3.1.3/src/jinja2/filters.py
|
||||
index c7ecc9b..c73dd89 100644
|
||||
--- a/Jinja2-3.1.3/src/jinja2/filters.py
|
||||
+++ b/Jinja2-3.1.3/src/jinja2/filters.py
|
||||
@@ -248,7 +248,9 @@ def do_items(value: t.Union[t.Mapping[K, V], Undefined]) -> t.Iterator[t.Tuple[K
|
||||
yield from value.items()
|
||||
|
||||
|
||||
-_space_re = re.compile(r"\s", flags=re.ASCII)
|
||||
+# Check for characters that would move the parser state from key to value.
|
||||
+# https://html.spec.whatwg.org/#attribute-name-state
|
||||
+_attr_key_re = re.compile(r"[\s/>=]", flags=re.ASCII)
|
||||
|
||||
|
||||
@pass_eval_context
|
||||
@@ -257,8 +259,13 @@ def do_xmlattr(
|
||||
) -> str:
|
||||
"""Create an SGML/XML attribute string based on the items in a dict.
|
||||
|
||||
- If any key contains a space, this fails with a ``ValueError``. Values that
|
||||
- are neither ``none`` nor ``undefined`` are automatically escaped.
|
||||
+ **Values** that are neither ``none`` nor ``undefined`` are automatically
|
||||
+ escaped, safely allowing untrusted user input.
|
||||
+ User input should not be used as **keys** to this filter. If any key
|
||||
+ contains a space, ``/`` solidus, ``>`` greater-than sign, or ``=`` equals
|
||||
+ sign, this fails with a ``ValueError``. Regardless of this, user input
|
||||
+ should never be used as keys to this filter, or must be separately validated
|
||||
+ first.
|
||||
|
||||
.. sourcecode:: html+jinja
|
||||
|
||||
@@ -278,6 +285,10 @@ def do_xmlattr(
|
||||
As you can see it automatically prepends a space in front of the item
|
||||
if the filter returned something unless the second parameter is false.
|
||||
|
||||
+ .. versionchanged:: 3.1.4
|
||||
+ Keys with ``/`` solidus, ``>`` greater-than sign, or ``=`` equals sign
|
||||
+ are not allowed.
|
||||
+
|
||||
.. versionchanged:: 3.1.3
|
||||
Keys with spaces are not allowed.
|
||||
"""
|
||||
@@ -287,8 +298,8 @@ def do_xmlattr(
|
||||
if value is None or isinstance(value, Undefined):
|
||||
continue
|
||||
|
||||
- if _space_re.search(key) is not None:
|
||||
- raise ValueError(f"Spaces are not allowed in attributes: '{key}'")
|
||||
+ if _attr_key_re.search(key) is not None:
|
||||
+ raise ValueError(f"Invalid character in attribute name: {key!r}")
|
||||
|
||||
items.append(f'{escape(key)}="{escape(value)}"')
|
||||
|
||||
diff --git a/Jinja2-3.1.3/tests/test_filters.py b/Jinja2-3.1.3/tests/test_filters.py
|
||||
index f50ed13..d8e9114 100644
|
||||
--- a/Jinja2-3.1.3/tests/test_filters.py
|
||||
+++ b/Jinja2-3.1.3/tests/test_filters.py
|
||||
@@ -474,11 +474,12 @@ class TestFilter:
|
||||
assert 'bar="23"' in out
|
||||
assert 'blub:blub="<?>"' in out
|
||||
|
||||
- def test_xmlattr_key_with_spaces(self, env):
|
||||
- with pytest.raises(ValueError, match="Spaces are not allowed"):
|
||||
- env.from_string(
|
||||
- "{{ {'src=1 onerror=alert(1)': 'my_class'}|xmlattr }}"
|
||||
- ).render()
|
||||
+ @pytest.mark.parametrize("sep", ("\t", "\n", "\f", " ", "/", ">", "="))
|
||||
+ def test_xmlattr_key_invalid(self, env: Environment, sep: str) -> None:
|
||||
+ with pytest.raises(ValueError, match="Invalid character"):
|
||||
+ env.from_string("{{ {key: 'my_class'}|xmlattr }}").render(
|
||||
+ key=f"class{sep}onclick=alert(1)"
|
||||
+ )
|
||||
|
||||
def test_sort1(self, env):
|
||||
tmpl = env.from_string("{{ [2, 3, 1]|sort }}|{{ [2, 3, 1]|sort(true) }}")
|
||||
--
|
||||
2.27.0
|
||||
|
||||
@ -2,7 +2,7 @@
|
||||
|
||||
Name: python-jinja2
|
||||
Version: 3.1.3
|
||||
Release: 1
|
||||
Release: 2
|
||||
Summary: A full-featured template engine for Python
|
||||
License: BSD-3-Clause
|
||||
URL: http://jinja.pocoo.org/
|
||||
@ -10,6 +10,8 @@ Source0: https://files.pythonhosted.org/packages/source/J/Jinja2/Jinja2-%
|
||||
|
||||
BuildArch: noarch
|
||||
|
||||
Patch0001: 0001-disallow-invalid-characters-in-keys-to-xmlattr-filte.patch
|
||||
|
||||
%description
|
||||
Jinja2 is one of the most used template engines for Python. It is inspired by Django's
|
||||
templating system but extends it with an expressive language that gives template authors
|
||||
@ -62,6 +64,12 @@ popd
|
||||
%doc Jinja2-%{version}/examples
|
||||
|
||||
%changelog
|
||||
* Tue May 7 2024 xuchenchen <xuchenchen@kylinos.cn> - 3.1.3-2
|
||||
- Type: CVE
|
||||
- CVE: CVE-2024-34064
|
||||
- SUG: NA
|
||||
- DESC: fix disallow invalid characters in keys to xmlattr filter
|
||||
|
||||
* Thu Jan 25 2024 shixuantong <shixuantong1@huawei.com> - 3.1.3-1
|
||||
- Upgrade package to 3.1.3
|
||||
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user