fence-agents/RHEL-22174-kubevirt-fix-bundled-jinja2-CVE-2024-22195.patch
Oyvind Albrigtsen 04d736fb67 - bundled urllib3: fix CVE-2023-45803
Resolves: RHEL-18132
- bundled pycryptodome: fix CVE-2023-52323
  Resolves: RHEL-20915
- bundled jinja2: fix CVE-2024-22195
  Resolves: RHEL-22174
2024-01-19 16:46:24 +01:00

64 lines
2.0 KiB
Diff

From 7dd3680e6eea0d77fde024763657aa4d884ddb23 Mon Sep 17 00:00:00 2001
From: Calum Hutton <calum.hutton@snyk.io>
Date: Thu, 26 Oct 2023 12:08:53 +0100
Subject: [PATCH] xmlattr filter disallows keys with spaces
---
CHANGES.rst | 1 +
src/jinja2/filters.py | 28 +++++++++++++++++++++-------
tests/test_filters.py | 6 ++++++
3 files changed, 28 insertions(+), 7 deletions(-)
diff --git a/src/jinja2/filters.py b/src/jinja2/filters.py
index ed07c4c0e..c7ecc9bb6 100644
--- a/kubevirt/jinja2/filters.py
+++ b/kubevirt/jinja2/filters.py
@@ -248,13 +248,17 @@ 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)
+
+
@pass_eval_context
def do_xmlattr(
eval_ctx: "EvalContext", d: t.Mapping[str, t.Any], autospace: bool = True
) -> str:
"""Create an SGML/XML attribute string based on the items in a dict.
- All values that are neither `none` nor `undefined` are automatically
- escaped:
+
+ If any key contains a space, this fails with a ``ValueError``. Values that
+ are neither ``none`` nor ``undefined`` are automatically escaped.
.. sourcecode:: html+jinja
@@ -273,12 +277,22 @@ 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:: 3.1.3
+ Keys with spaces are not allowed.
"""
- rv = " ".join(
- f'{escape(key)}="{escape(value)}"'
- for key, value in d.items()
- if value is not None and not isinstance(value, Undefined)
- )
+ items = []
+
+ for key, value in d.items():
+ 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}'")
+
+ items.append(f'{escape(key)}="{escape(value)}"')
+
+ rv = " ".join(items)
if autospace and rv:
rv = " " + rv