Insufficient Verification of Data Authenticity Affecting org.keycloak:keycloak-services package, versions [,21.0.1)


Severity

0.0
high
0
10

    Threat Intelligence

    EPSS
    0.07% (29th percentile)

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  • Snyk ID SNYK-JAVA-ORGKEYCLOAK-3338524
  • published 3 Mar 2023
  • disclosed 2 Mar 2023
  • credit Unknown

How to fix?

Upgrade org.keycloak:keycloak-services to version 21.0.1 or higher.

Overview

org.keycloak:keycloak-services is an open source identity and access management solution for modern applications and services.

Affected versions of this package are vulnerable to Insufficient Verification of Data Authenticity such that Keycloak's OpenID Connect user authentication was found to incorrectly authenticate requests. An authenticated attacker who could also obtain a certain piece of info from a user request, from a victim within the same realm, can use that data to impersonate the victim and generate new session tokens.

CVSS Scores

version 3.1
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Snyk

8.7 high
  • Attack Vector (AV)
    Network
  • Attack Complexity (AC)
    Low
  • Privileges Required (PR)
    Low
  • User Interaction (UI)
    Required
  • Scope (S)
    Changed
  • Confidentiality (C)
    High
  • Integrity (I)
    High
  • Availability (A)
    None
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NVD

5 medium
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Red Hat

4.6 medium