GHSA-5357-c2jx-v7qh
Authlib has algorithm confusion with asymmetric public keys
At a glance
- Published
- Updated
- CVE
- CVE-2024-37568
- Aliases
- PYSEC-2024-52
- CVSS_V3
- CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
Description
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 packages
| Package | Versions |
|---|---|
| PyPI · authlib | introduced 0, fixed 1.3.1 |
References
- https://nvd.nist.gov/vuln/detail/CVE-2024-37568 ADVISORY
- https://github.com/lepture/authlib/issues/654 WEB
- https://github.com/lepture/authlib PACKAGE
- https://github.com/pypa/advisory-database/tree/main/vulns/authlib/PYSEC-2024-52.yaml WEB
- https://lists.debian.org/debian-lts-announce/2025/10/msg00032.html WEB
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FHJI32SN4FNAUVNALVGOKWHNSQ6XS3M5 WEB
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IZI7HYGN7VZAYFV6UV3SRLYF7QGERXIU WEB
- https://www.vicarius.io/vsociety/posts/algorithm-confusion-in-lepture-authlib-cve-2024-37568 WEB
Sources
| Source | Licence |
|---|---|
| OSV.dev | CC-BY 4.0 — GitHub Advisory Database |