Bug 2291129 (CVE-2024-37568)

Summary:	CVE-2024-37568 python-authlib: Algorithm confusion when verifying JSON Web Tokens with asymmetric public keys
Product:	[Other] Security Response	Reporter:	Mauro Matteo Cascella <mcascell>
Component:	vulnerability	Assignee:	Product Security <prodsec-ir-bot>
Status:	NEW ---	QA Contact:
Severity:	medium	Docs Contact:
Priority:	medium
Version:	unspecified	Keywords:	Security
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Hardware:	All
OS:	Linux
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oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
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Bug Depends On:	2291130
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Description Mauro Matteo Cascella 2024-06-10 07:30:33 UTC

NVD 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).

Upstream issue:
https://github.com/lepture/authlib/issues/654

Comment 1 Mauro Matteo Cascella 2024-06-10 07:30:47 UTC

Created python-authlib tracking bugs for this issue:

Affects: fedora-all [bug 2291130]