GoogleOSV:GHSA-MPV3-G8M3-3FJCGrafana vulnerable to Authentication Bypass by Spoofing
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
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.
References
github.com/grafana/bugbounty/security/advisories/GHSA-gxh2-6vvc-rrgp
github.com/grafana/grafana
github.com/grafana/grafana/blob/69fc4e6bc0be2a82085ab3885c2262a4d49e97d8/CHANGELOG.md
grafana.com/security/security-advisories/cve-2023-3128
nvd.nist.gov/vuln/detail/CVE-2023-3128
security.netapp.com/advisory/ntap-20230714-0004
Related
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
0.001 Low
EPSS
Percentile
51.3%