Skip to content

Authlib has algorithm confusion with asymmetric public keys

High severity GitHub Reviewed Published Jun 9, 2024 to the GitHub Advisory Database • Updated Jun 20, 2024

Package

pip authlib (pip)

Affected versions

>= 0, < 1.3.1

Patched versions

1.3.1

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.)

References

Published by the National Vulnerability Database Jun 9, 2024
Published to the GitHub Advisory Database Jun 9, 2024
Reviewed Jun 10, 2024
Last updated Jun 20, 2024

Severity

High
7.4
/ 10

CVSS base metrics

Attack vector
Network
Attack complexity
High
Privileges required
None
User interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
None
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N

Weaknesses

CVE ID

CVE-2024-37568

GHSA ID

GHSA-5357-c2jx-v7qh

Source code

Loading Checking history
See something to contribute? Suggest improvements for this vulnerability.