CVE-2023-45669

CVSS 3.1 Score 5.3 of 10 (medium)

Details

Published Oct 16, 2023
Updated: Oct 20, 2023
CWE ID 287

Summary

CVE-2023-45669 affects WebAuthn4J Spring Security, a library used for Web Authentication specification support in Spring applications. The vulnerability involves improper handling of signature counter values during authentication. When an authenticator returns an incremented signature counter value, webauthn4j-spring-security-core fails to properly persist it, making cloned authenticator detection ineffective. As a result, an attacker who clones a valid authenticator can use it undetected. The issue is resolved in version 0.9.1.RELEASE, and users are urged to upgrade as soon as possible. No known workarounds exist for this vulnerability.

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