XML vulnerabilities in Python

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Assessment

Difficulty
5/5
Estimated time
Over a week
Newbie friendliness
15/100
Issue type
Bug
Clarity
Needs clarification
Activity status
Stale
Tech stack
python
Domain
security

Research direction

Start by reviewing the linked PRs #9217, #9265, #9511, and #9512, then compare their scope with the remaining dependency bpo-24238. The issue names xmlbomb_20130219.patch and xmlbomb_20150518.patch, but does not identify a current entry point, test, or clear completion criteria.

Written by the indexing model from the issue text.

Description

extension-modules stdlib topic-XML type-security
BPO 17239
Nosy @warsaw, @birkenfeld, @rhettinger, @pitrou, @scoder, @larryhastings, @tiran, @benjaminp, @jwilk, @ned-deily, @mcepl, @ezio-melotti, @mitar, @vadmium, @serhiy-storchaka, @zooba
PRs
  • python/cpython#9217
  • python/cpython#9265
  • python/cpython#9511
  • python/cpython#9512
    		•
    Dependencies
  • bpo-17318: xml.sax and xml.dom fetch DTDs by default (✅)
  • bpo-24238: Avoid entity expansion attacks in Element Tree
    • Files
  • xmlbomb_20130219.patch
  • xmlbomb_20150518.patch: Merged to 3.5
    		•

    Note: these values reflect the state of the issue at the time it was migrated and might not reflect the current state.

    Show more details

    GitHub fields:

    assignee = None
closed_at = None
created_at = <Date 2013-02-19.15:35:41.914>
labels = ['type-security', 'expert-XML', '3.8', '3.9', 'extension-modules', '3.7', 'library']
title = 'XML vulnerabilities in Python'
updated_at = <Date 2021-11-08.16:56:41.595>
user = 'https://github.com/tiran'

    bugs.python.org fields:

    activity = <Date 2021-11-08.16:56:41.595>
actor = 'vstinner'
assignee = 'none'
closed = False
closed_date = None
closer = None
components = ['Extension Modules', 'Library (Lib)', 'XML']
creation = <Date 2013-02-19.15:35:41.914>
creator = 'christian.heimes'
dependencies = ['17318', '24238']
files = ['29122', '39415']
hgrepos = []
issue_num = 17239
keywords = ['patch']
message_count = 23.0
messages = ['182393', '184285', '184289', '184387', '185053', '243450', '243469', '243581', '324416', '324685', '325562', '325573', '325586', '325590', '325595', '325610', '325642', '325648', '325702', '325738', '326144', '326228', '326229']
nosy_count = 20.0
nosy_names = ['barry', 'georg.brandl', 'rhettinger', 'pitrou', 'scoder', 'larry', 'christian.heimes', 'benjamin.peterson', 'jwilk', 'ned.deily', 'mcepl', 'ezio.melotti', 'Arfrever', 'eli.bendersky', 'mitar', 'martin.panter', 'serhiy.storchaka', 'franck', 'steve.dower', 'rsandwick3']
pr_nums = ['9217', '9265', '9511', '9512']
priority = 'critical'
resolution = None
stage = 'patch review'
status = 'open'
superseder = None
type = 'security'
url = 'https://bugs.python.org/issue17239'
versions = ['Python 3.7', 'Python 3.8', 'Python 3.9']

    bpo-24238 is https://github.com/python/cpython/issues/68426 which remains open.

    Dominant language
    Python
    Stars
    77.2k
    Forks
    36k
    Avg merge
    1d 9h
    Merged PRs (30d)
    558

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