GHSA-pf38-cw3p-22q9

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    GHSA-pf38-cw3p-22q9

    Published: 28 Apr 2022Last Modified: 8 Nov 2023
    Aliases:
    CVE-2021-3424

    Summary: Keycloak is vulnerable to IDN homograph attack

    Details: A flaw was found in keycloak as shipped in Red Hat Single Sign-On 7.4 where IDN homograph attacks are possible. A malicious user can register himself with a name already registered and trick admin to grant him extra privileges.

    References: https://nvd.nist.gov/vuln/detail/CVE-2021-3424, https://bugzilla.redhat.com/show_bug.cgi?id=1933320, https://github.com/keycloak/keycloak

    Affected packages

    Package

    Name: org.keycloak:keycloak-services

    Purl: pkg:maven/org.keycloak/keycloak-services

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -18.0.0

    Affected versions

    1.0-alpha-1

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High
    GHSA-pf38-cw3p-22q9 | CVE-DB