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[email protected]CVE-2022-27240

HistoryMar 18, 2022 - 6:15 a.m.

CVE-2022-27240

2022-03-1806:15:08

CWE-120

[email protected]

web.nvd.nist.gov

cve-2022-27240

glewlwyd sso server

buffer overflow

webauthn assertion

nvd

7.5 High

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:P/I:P/A:P

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

9.7 High

AI Score

Confidence

High

0.002 Low

EPSS

Percentile

53.4%

JSON

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

Affected configurations

NVD

Node

glewlwyd_sso_server_projectglewlwyd_sso_serverRange2.0.0–2.6.2

CPENameOperatorVersion
glewlwyd_sso_server_project:glewlwyd_sso_serverglewlwyd sso server project glewlwyd sso serverlt2.6.2

CPE	Name	Operator	Version
glewlwyd_sso_server_project:glewlwyd_sso_server	glewlwyd sso server project glewlwyd sso server	lt	2.6.2

References

github.com/babelouest/glewlwyd/commit/4c5597c155bfbaf6491cf6b83479d241ae66940a

github.com/babelouest/glewlwyd/releases/tag/v2.6.2

7.5 High

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:P/I:P/A:P

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

9.7 High

AI Score

Confidence

High

0.002 Low

EPSS

Percentile

53.4%

JSON

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