Buffer Overflow Vulnerability in Glewlwyd SSO Server's FIDO2 Signature Validation

Buffer Overflow Vulnerability in Glewlwyd SSO Server's FIDO2 Signature Validation

CVE-2021-40818 · CRITICAL Severity

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

scheme/webauthn.c in Glewlwyd SSO server through 2.5.3 has a buffer overflow during FIDO2 signature validation in webauthn registration.

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