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python3-django: fix CVE-2024-24680

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An issue was discovered in Django 3.2 before 3.2.24, 4.2 before 4.2.10,
and Django 5.0 before 5.0.2. The intcomma template filter was subject
to a potential denial-of-service attack when used with very long strings.

Since, there is no ptest available for python3-django so have not
tested the patch changes at runtime.

References:
https://security-tracker.debian.org/tracker/CVE-2024-24680
https://docs.djangoproject.com/en/dev/releases/4.2.10/

Signed-off-by: Rahul Janani Pandi <RahulJanani.Pandi@windriver.com>
Signed-off-by: Armin Kuster <akuster808@gmail.com>
This commit is contained in:
Rahul Janani Pandi
2024-04-16 10:40:54 +00:00
committed by Armin Kuster
parent bd7b2ebf21
commit ac06a65404
2 changed files with 49 additions and 0 deletions
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48
meta-python/recipes-devtools/python/python3-django/CVE-2024-24680.patch Normal file
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@@ -0,0 +1,48 @@
From 572ea07e84b38ea8de0551f4b4eda685d91d09d2
From: Adam Johnson <me@adamj.eu>
Date: Mon Jan 22 13:21:13 2024 +0000
Subject: [PATCH] Fixed CVE-2024-24680 -- Mitigated potential DoS in intcomma
template filter
Thanks Seokchan Yoon for the report.
Co-authored-by: Mariusz Felisiak <felisiak.mariusz@gmail.com>
Co-authored-by: Natalia <124304+nessita@users.noreply.github.com>
Co-authored-by: Shai Berger <shai@platonix.com>
CVE: CVE-2024-24680
Upstream-Status: Backport [https://github.com/django/django/commit/572ea07e84b38ea8de0551f4b4eda685d91d09d2]
Signed-off-by: Rahul Janani Pandi <RahulJanani.Pandi@windriver.com>
---
django/contrib/humanize/templatetags/humanize.py | 13 +++++++------
1 file changed, 7 insertions(+), 6 deletions(-)
diff --git a/django/contrib/humanize/templatetags/humanize.py b/django/contrib/humanize/templatetags/humanize.py
index 194c7e8..ee22a45 100644
--- a/django/contrib/humanize/templatetags/humanize.py
+++ b/django/contrib/humanize/templatetags/humanize.py
@@ -71,13 +71,14 @@ def intcomma(value, use_l10n=True):
return intcomma(value, False)
else:
return number_format(value, force_grouping=True)
- orig = str(value)
- new = re.sub(r"^(-?\d+)(\d{3})", r'\g<1>,\g<2>', orig)
- if orig == new:
- return new
- else:
- return intcomma(new, use_l10n)
+ result = str(value)
+ match = re.match(r"-?\d+", result)
+ if match:
+ prefix = match[0]
+ prefix_with_commas = re.sub(r"\d{3}", r"\g<0>,", prefix[::-1])[::-1]
+ result = prefix_with_commas + result[len(prefix) :]
+ return result
# A tuple of standard large number to their converters
intword_converters = (
--
2.40.0