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osvGoogleOSV:BIT-GRAFANA-2023-3128
HistoryMar 06, 2024 - 10:53 a.m.

BIT-grafana-2023-3128

2024-03-0610:53:06
Google
osv.dev
5
grafana
azure ad
email claim
account takeover
authentication bypass
multi-tenant app

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

7.3 High

AI Score

Confidence

Low

0.001 Low

EPSS

Percentile

51.3%

Grafana is validating Azure AD accounts based on the email claim. On Azure AD, the profile email field is not unique and can be easily modified. This leads to account takeover and authentication bypass when Azure AD OAuth is configured with a multi-tenant app.

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

7.3 High

AI Score

Confidence

Low

0.001 Low

EPSS

Percentile

51.3%