id: PYSEC-2024-162
modified: 2025-01-14T05:22:21.870348Z
published: 2024-02-28T00:15:53Z
aliases:
- CVE-2024-1892
- GHSA-cc65-xxvf-f7r9
details: A Regular Expression Denial of Service (ReDoS) vulnerability exists in the
  XMLFeedSpider class of the scrapy/scrapy project, specifically in the parsing of
  XML content. By crafting malicious XML content that exploits inefficient regular
  expression complexity used in the parsing process, an attacker can cause a denial-of-service
  (DoS) condition. This vulnerability allows for the system to hang and consume significant
  resources, potentially rendering services that utilize Scrapy for XML processing
  unresponsive.
affected:
- package:
    ecosystem: PyPI
    name: scrapy
    purl: pkg:pypi/scrapy
  ranges:
  - type: GIT
    events:
    - introduced: "0"
    - fixed: 479619b340f197a8f24c5db45bc068fb8755f2c5
    - fixed: 479619b340f197a8f24c5db45bc068fb8755f2c5
    repo: https://github.com/scrapy/scrapy
  - type: ECOSYSTEM
    events:
    - introduced: "0"
    - fixed: 2.11.1
  versions:
  - 0.10.4.2364
  - 0.12.0.2550
  - 0.14.1
  - 0.14.2
  - 0.14.3
  - 0.14.4
  - 0.16.0
  - 0.16.1
  - 0.16.2
  - 0.16.3
  - 0.16.4
  - 0.16.5
  - 0.18.0
  - 0.18.1
  - 0.18.2
  - 0.18.3
  - 0.18.4
  - 0.20.0
  - 0.20.1
  - 0.20.2
  - 0.22.0
  - 0.22.1
  - 0.22.2
  - 0.24.0
  - 0.24.1
  - 0.24.2
  - 0.24.3
  - 0.24.4
  - 0.24.5
  - 0.24.6
  - "0.7"
  - "0.8"
  - "0.9"
  - 1.0.0
  - 1.0.0rc1
  - 1.0.0rc2
  - 1.0.0rc3
  - 1.0.1
  - 1.0.2
  - 1.0.3
  - 1.0.4
  - 1.0.5
  - 1.0.6
  - 1.0.7
  - 1.1.0
  - 1.1.0rc1
  - 1.1.0rc2
  - 1.1.0rc3
  - 1.1.0rc4
  - 1.1.1
  - 1.1.2
  - 1.1.3
  - 1.1.4
  - 1.2.0
  - 1.2.1
  - 1.2.2
  - 1.2.3
  - 1.3.0
  - 1.3.1
  - 1.3.2
  - 1.3.3
  - 1.4.0
  - 1.5.0
  - 1.5.1
  - 1.5.2
  - 1.6.0
  - 1.7.0
  - 1.7.1
  - 1.7.2
  - 1.7.3
  - 1.7.4
  - 1.8.0
  - 1.8.1
  - 1.8.2
  - 1.8.3
  - 1.8.4
  - 2.0.0
  - 2.0.1
  - 2.1.0
  - 2.10.0
  - 2.10.1
  - 2.11.0
  - 2.2.0
  - 2.2.1
  - 2.3.0
  - 2.4.0
  - 2.4.1
  - 2.5.0
  - 2.5.1
  - 2.6.0
  - 2.6.1
  - 2.6.2
  - 2.6.3
  - 2.7.0
  - 2.7.1
  - 2.8.0
  - 2.9.0
severity:
- type: CVSS_V3
  score: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
references:
- type: EVIDENCE
  url: https://huntr.com/bounties/271f94f2-1e05-4616-ac43-41752389e26b
- type: FIX
  url: https://github.com/scrapy/scrapy/commit/479619b340f197a8f24c5db45bc068fb8755f2c5
- type: FIX
  url: https://huntr.com/bounties/271f94f2-1e05-4616-ac43-41752389e26b
- type: REPORT
  url: https://huntr.com/bounties/271f94f2-1e05-4616-ac43-41752389e26b
- type: WEB
  url: https://huntr.com/bounties/271f94f2-1e05-4616-ac43-41752389e26b
- type: ADVISORY
  url: https://github.com/advisories/GHSA-cc65-xxvf-f7r9