Cryptographic issues in authlib - CVE-2024-37568

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Main Vulnerability Database Vulnerabilities #VU91832

Cryptographic issues in authlib - CVE-2024-37568

Published: June 12, 2024


Vulnerability identifier: #VU91832
CSH Severity: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2024-37568
CWE-ID: CWE-310
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
authlib
Software vendor:
Authlib

Description

The vulnerability allows a remote attacker to perform MitM attack.

The vulnerability exists due to 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.


Remediation

Install updates from vendor's website.

External links