by Kastro
Paper/Archive/CVE-2021-40818

CVE-2021-40818

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

EPSS 1%CVSS 9.8
critical.is priorityof 100
44
CVSS 9.8 (NVD)9.8 / 10 × 3029.4Not in CISA KEV+300.0EPSS percentile 74.1.741 × 2014.8No public exploit+100.0SSVC exploitation: unknown+100.0
Description · from the CVE record

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

Affected

ProductAffectedFixed inSource
n/an/a–CNA

Scores by source

NVD9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References

refgithub.com/babelouest/glewlwyd/commit/0efd112bb62f566877750ad62ee828bff579b4e2refbugs.debian.org/993867