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Security Advisories: GSA_kwCzR0hTQS1wZjM4LWN3M3AtMjJxOc1Bjg
Keycloak is vulnerable to IDN homograph attack
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.
Permalink: https://github.com/advisories/GHSA-pf38-cw3p-22q9JSON: https://advisories.ecosyste.ms/api/v1/advisories/GSA_kwCzR0hTQS1wZjM4LWN3M3AtMjJxOc1Bjg
Source: GitHub Advisory Database
Origin: Unspecified
Severity: Moderate
Classification: General
Published: almost 2 years ago
Updated: about 1 year ago
CVSS Score: 5.3
CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Identifiers: GHSA-pf38-cw3p-22q9, CVE-2021-3424
References:
- https://nvd.nist.gov/vuln/detail/CVE-2021-3424
- https://bugzilla.redhat.com/show_bug.cgi?id=1933320
- https://github.com/advisories/GHSA-pf38-cw3p-22q9
Affected Packages
maven:org.keycloak:keycloak-services
Dependent packages: 90Dependent repositories: 561
Downloads:
Affected Version Ranges: < 18.0.0
Fixed in: 18.0.0
All affected versions: 5.0.0, 6.0.0, 6.0.1, 7.0.0, 7.0.1, 8.0.0, 8.0.1, 8.0.2, 9.0.0, 9.0.2, 9.0.3, 10.0.0, 10.0.1, 10.0.2, 11.0.0, 11.0.1, 11.0.2, 11.0.3, 12.0.0, 12.0.1, 12.0.2, 12.0.3, 12.0.4, 13.0.0, 13.0.1, 14.0.0, 15.0.0, 15.0.1, 15.0.2, 15.1.0, 15.1.1, 16.0.0, 16.1.0, 16.1.1, 17.0.0, 17.0.1
All unaffected versions: 18.0.0, 18.0.1, 18.0.2, 19.0.0, 19.0.1, 19.0.2, 19.0.3, 20.0.0, 20.0.1, 20.0.2, 20.0.3, 20.0.4, 20.0.5, 21.0.0, 21.0.1, 21.0.2, 21.1.0, 21.1.1, 21.1.2, 22.0.0, 22.0.1, 22.0.2, 22.0.3, 22.0.4, 22.0.5, 23.0.0, 23.0.1, 23.0.2, 23.0.3, 23.0.4, 23.0.5, 23.0.6, 23.0.7, 24.0.0, 24.0.1, 24.0.2, 24.0.3