id: PYSEC-2018-21
details: PyCryptodome before 3.6.6 has an integer overflow in the data_len variable
  in AESNI.c, related to the AESNI_encrypt and AESNI_decrypt functions, leading to
  the mishandling of messages shorter than 16 bytes.
affected:
- package:
    name: pycryptodome
    ecosystem: PyPI
    purl: pkg:pypi/pycryptodome
  ranges:
  - type: ECOSYSTEM
    events:
    - introduced: '0'
    - fixed: 3.6.6
  versions:
  - '3.0'
  - 3.0rc1
  - '3.1'
  - '3.2'
  - 3.2.1
  - '3.3'
  - 3.3.1
  - '3.4'
  - 3.4.11
  - 3.4.3
  - 3.4.4
  - 3.4.5
  - 3.4.6
  - 3.4.7
  - 3.4.8
  - 3.4.9
  - 3.5.0
  - 3.5.1
  - 3.6.0
  - 3.6.1
  - 3.6.3
  - 3.6.4
  - 3.6.5
references:
- type: ARTICLE
  url: https://whitehatck01.blogspot.com/2018/08/integer-overflow-vulnerability-in.html
- type: REPORT
  url: https://github.com/Legrandin/pycryptodome/issues/198
- type: ADVISORY
  url: https://github.com/advisories/GHSA-hgg3-g7gr-66r7
aliases:
- CVE-2018-15560
- GHSA-hgg3-g7gr-66r7
modified: '2021-06-10T06:52:01.279206Z'
published: '2018-08-20T00:29:00Z'