CVE-2023-49208

scheme/webauthn.c in Glewlwyd SSO server before 2.7.6 has a possible buffer overflow during FIDO2 credentials validation in webauthn registration.
Classic Buffer Overflow
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
9.8 CRITICAL
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
mitreCNA
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 33%
VendorProductVersion
glewlwyd_sso_server_projectglewlwyd_sso_server
𝑥
< 2.7.6
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
glewlwyd
bullseye
2.5.2-2+deb11u3
fixed
buster
not-affected
bookworm
2.7.5-3+deb12u1
fixed
sid
2.7.6+ds-2
fixed
trixie
2.7.6+ds-2
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
glewlwyd
oracular
not-affected
noble
not-affected
mantic
ignored
lunar
ignored
jammy
needs-triage
focal
needs-triage
bionic
needs-triage
xenial
ignored
trusty
ignored