Vulnerability CVE-2022-27240
Published: 2022-03-18

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

Type:

CWE-120

 (Buffer Copy without Checking Size of Input ('Classic Buffer Overflow'))

CVSS2 => (AV:N/AC:L/Au:N/C:P/I:P/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
7.5/10
6.4/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
Partial
Partial
Affected software
Glewlwyd sso server project -> Glewlwyd sso server 

 References:
https://github.com/babelouest/glewlwyd/releases/tag/v2.6.2
https://github.com/babelouest/glewlwyd/commit/4c5597c155bfbaf6491cf6b83479d241ae66940a
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