Ecosyste.ms: Advisories

Security Advisories: GSA_kwCzR0hTQS01MzU3LWMyangtdjdxaM4AA83F

Authlib has algorithm confusion with asymmetric public keys

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.)

Permalink: https://github.com/advisories/GHSA-5357-c2jx-v7qh
JSON: https://advisories.ecosyste.ms/api/v1/advisories/GSA_kwCzR0hTQS01MzU3LWMyangtdjdxaM4AA83F
Source: GitHub Advisory Database
Origin: Unspecified
Severity: High
Classification: General
Published: 6 months ago
Updated: 3 months ago

CVSS Score: 7.4
CVSS vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N

Identifiers: GHSA-5357-c2jx-v7qh, CVE-2024-37568
References:

• https://nvd.nist.gov/vuln/detail/CVE-2024-37568
• https://github.com/lepture/authlib/issues/654
• https://github.com/pypa/advisory-database/tree/main/vulns/authlib/PYSEC-2024-52.yaml
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IZI7HYGN7VZAYFV6UV3SRLYF7QGERXIU
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FHJI32SN4FNAUVNALVGOKWHNSQ6XS3M5
• https://www.vicarius.io/vsociety/posts/algorithm-confusion-in-lepture-authlib-cve-2024-37568
• https://github.com/advisories/GHSA-5357-c2jx-v7qh

Repository: https://github.com/lepture/authlib
Blast Radius: 24.7

Affected Packages