id: PYSEC-2011-22
details: Plone 4.1.3 and earlier computes hash values for form parameters without
  restricting the ability to trigger hash collisions predictably, which allows remote
  attackers to cause a denial of service (CPU consumption) by sending many crafted
  parameters.
affected:
- package:
    name: plone
    ecosystem: PyPI
    purl: pkg:pypi/plone
  ranges:
  - type: ECOSYSTEM
    events:
    - introduced: '0'
    - fixed: 4.1.4
  versions:
  - '3.2'
  - 3.2.1
  - 3.2.2
  - 3.2.3
  - 3.2a1
  - 3.2rc1
  - '3.3'
  - 3.3.1
  - 3.3.2
  - 3.3.3
  - 3.3.4
  - 3.3.5
  - 3.3.6
  - 3.3b1
  - 3.3rc1
  - 3.3rc2
  - 3.3rc3
  - 3.3rc4
  - 3.3rc5
  - '4.0'
  - 4.0.1
  - 4.0.10
  - 4.0.2
  - 4.0.3
  - 4.0.4
  - 4.0.5
  - 4.0.6
  - 4.0.7
  - 4.0.8
  - 4.0.9
  - 4.0a1
  - 4.0a2
  - 4.0a3
  - 4.0a4
  - 4.0a5
  - 4.0b1
  - 4.0b2
  - 4.0b3
  - 4.0b4
  - 4.0b5
  - 4.0rc1
  - '4.1'
  - 4.1.1
  - 4.1.2
  - 4.1.3
  - 4.1a1
  - 4.1a2
  - 4.1a3
  - 4.1b1
  - 4.1b2
  - 4.1rc2
  - 4.1rc3
references:
- type: ADVISORY
  url: http://www.nruns.com/_downloads/advisory28122011.pdf
- type: WEB
  url: http://www.kb.cert.org/vuls/id/903934
- type: ADVISORY
  url: http://www.ocert.org/advisories/ocert-2011-003.html
- type: ADVISORY
  url: http://secunia.com/advisories/47406
- type: WEB
  url: http://archives.neohapsis.com/archives/bugtraq/2011-12/0181.html
- type: WEB
  url: https://exchange.xforce.ibmcloud.com/vulnerabilities/72018
- type: ADVISORY
  url: https://github.com/advisories/GHSA-pcwm-8jc3-qxvj
aliases:
- CVE-2011-4462
- GHSA-pcwm-8jc3-qxvj
modified: '2021-08-27T03:22:11.387960Z'
published: '2011-12-30T01:55:00Z'