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CVE-2022-27240

Published: 18 March 2022

scheme/webauthn.c in Glewlwyd SSO server 2.x before 2.6.2 has a buffer overflow associated with a webauthn assertion.

Priority

Medium

Cvss 3 Severity Score

9.8

Score breakdown

Status

Package Release Status
glewlwyd
Launchpad, Ubuntu, Debian
bionic Needs triage

focal Needs triage

impish Ignored
(end of life)
jammy Needs triage

kinetic Ignored
(end of life, was needs-triage)
lunar Not vulnerable
(2.7.1-1ubuntu1)
mantic Not vulnerable
(2.7.1-1ubuntu1)
trusty Ignored
(end of standard support)
upstream
Released (2.6.1-2)
xenial Ignored
(end of standard support)

Severity score breakdown

Parameter Value
Base score 9.8
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H