id: PYSEC-2024-52
modified: 2024-06-09T21:20:21.309692Z
published: 2024-06-09T19:15:00Z
aliases:
- CVE-2024-37568
- GHSA-5357-c2jx-v7qh
details: lepture Authlib before 1.3.1 has algorithm confusion with asymmetric public
  keys. Unless an algorithm is specified in a jwt.decode call, HMAC verification is
  allowed with any asymmetric public key. (This is similar to CVE-2022-29217 and CVE-2024-33663.)
affected:
- package:
    ecosystem: PyPI
    name: authlib
    purl: pkg:pypi/authlib
  ranges:
  - type: ECOSYSTEM
    events:
    - introduced: "0"
    - fixed: 1.3.1
  versions:
  - "0.1"
  - "0.10"
  - "0.11"
  - "0.12"
  - 0.12.1
  - "0.13"
  - "0.14"
  - 0.14.1
  - 0.14.2
  - 0.14.3
  - "0.15"
  - 0.15.1
  - 0.15.2
  - 0.15.3
  - 0.15.4
  - 0.15.5
  - 0.15.6
  - 0.1rc0
  - "0.2"
  - 0.2.1
  - "0.3"
  - "0.4"
  - 0.4.1
  - "0.5"
  - 0.5.1
  - "0.6"
  - "0.7"
  - "0.8"
  - "0.9"
  - 1.0.0
  - 1.0.0a1
  - 1.0.0a2
  - 1.0.0b1
  - 1.0.0b2
  - 1.0.0rc1
  - 1.0.1
  - 1.1.0
  - 1.2.0
  - 1.2.1
  - 1.3.0
references:
- type: REPORT
  url: https://github.com/lepture/authlib/issues/654
- type: ADVISORY
  url: https://github.com/advisories/GHSA-5357-c2jx-v7qh