04d736fb67
Resolves: RHEL-18132 - bundled pycryptodome: fix CVE-2023-52323 Resolves: RHEL-20915 - bundled jinja2: fix CVE-2024-22195 Resolves: RHEL-22174
64 lines
2.0 KiB
Diff
64 lines
2.0 KiB
Diff
From 7dd3680e6eea0d77fde024763657aa4d884ddb23 Mon Sep 17 00:00:00 2001
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From: Calum Hutton <calum.hutton@snyk.io>
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Date: Thu, 26 Oct 2023 12:08:53 +0100
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Subject: [PATCH] xmlattr filter disallows keys with spaces
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---
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CHANGES.rst | 1 +
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src/jinja2/filters.py | 28 +++++++++++++++++++++-------
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tests/test_filters.py | 6 ++++++
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3 files changed, 28 insertions(+), 7 deletions(-)
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diff --git a/src/jinja2/filters.py b/src/jinja2/filters.py
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index ed07c4c0e..c7ecc9bb6 100644
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--- a/kubevirt/jinja2/filters.py
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+++ b/kubevirt/jinja2/filters.py
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@@ -248,13 +248,17 @@ def do_items(value: t.Union[t.Mapping[K, V], Undefined]) -> t.Iterator[t.Tuple[K
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yield from value.items()
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+_space_re = re.compile(r"\s", flags=re.ASCII)
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+
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+
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@pass_eval_context
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def do_xmlattr(
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eval_ctx: "EvalContext", d: t.Mapping[str, t.Any], autospace: bool = True
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) -> str:
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"""Create an SGML/XML attribute string based on the items in a dict.
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- All values that are neither `none` nor `undefined` are automatically
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- escaped:
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+
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+ If any key contains a space, this fails with a ``ValueError``. Values that
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+ are neither ``none`` nor ``undefined`` are automatically escaped.
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.. sourcecode:: html+jinja
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@@ -273,12 +277,22 @@ def do_xmlattr(
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As you can see it automatically prepends a space in front of the item
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if the filter returned something unless the second parameter is false.
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+
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+ .. versionchanged:: 3.1.3
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+ Keys with spaces are not allowed.
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"""
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- rv = " ".join(
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- f'{escape(key)}="{escape(value)}"'
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- for key, value in d.items()
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- if value is not None and not isinstance(value, Undefined)
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- )
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+ items = []
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+
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+ for key, value in d.items():
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+ if value is None or isinstance(value, Undefined):
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+ continue
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+
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+ if _space_re.search(key) is not None:
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+ raise ValueError(f"Spaces are not allowed in attributes: '{key}'")
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+
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+ items.append(f'{escape(key)}="{escape(value)}"')
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+
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+ rv = " ".join(items)
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if autospace and rv:
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rv = " " + rv
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