Authentication Bypass Affecting grafana package, versions <0:9.0.9-3.el9_2.alma


Severity

Recommended
0.0
critical
0
10

Based on AlmaLinux security rating

    Threat Intelligence

    EPSS
    0.17% (55th percentile)

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  • Snyk ID SNYK-ALMALINUX9-GRAFANA-5773262
  • published 12 Jul 2023
  • disclosed 12 Jul 2023

How to fix?

Upgrade AlmaLinux:9 grafana to version 0:9.0.9-3.el9_2.alma or higher.
This issue was patched in ALSA-2023:4030.

NVD Description

Note: Versions mentioned in the description apply only to the upstream grafana package and not the grafana package as distributed by AlmaLinux. See How to fix? for AlmaLinux:9 relevant fixed versions and status.

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.

CVSS Scores

version 3.1
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NVD

9.8 critical
  • Attack Vector (AV)
    Network
  • Attack Complexity (AC)
    Low
  • Privileges Required (PR)
    None
  • User Interaction (UI)
    None
  • Scope (S)
    Unchanged
  • Confidentiality (C)
    High
  • Integrity (I)
    High
  • Availability (A)
    High
Expand this section

Red Hat

9.8 critical
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SUSE

9.4 critical