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CVE-2024-37568PYSEC-2024-52GHSA-5357-C2JX-V7QH

lepture Authlib before 1.3.1 has algorithm confusion with asymmetric public keys.

Published
Last modified
published
Not listed in CISA KEV
Fix
Fixed in 1.3.1
None on Exploit-DB, Metasploit or GitHub
  • Exploitation: poc
  • Automatable: yes
  • Technical impact: partial

Summary

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.)

Timeline

  1. CVE published
  2. CISA SSVC assessment

    Exploitation: poc · Automatable: yes · Technical impact: partial

  3. Record last updated

Affected versions

  • n/a n/a

    Version range not reported

  • authlibPyPI

    fixed in 1.3.1

References 4

GitHub · lepture/authlib

lists.fedoraproject.org

vicarius.io