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Security Advisories: MDE2OlNlY3VyaXR5QWR2aXNvcnlHSFNBLWM1OTctZjc0bS1qZ2My
Improper Certificate Validation and Improper Validation of Certificate with Host Mismatch in Keycloak
A flaw was found in Keycloak in versions before 10.0.0, where it does not perform the TLS hostname verification while sending emails using the SMTP server. This flaw allows an attacker to perform a man-in-the-middle (MITM) attack.
Permalink: https://github.com/advisories/GHSA-c597-f74m-jgc2JSON: https://advisories.ecosyste.ms/api/v1/advisories/MDE2OlNlY3VyaXR5QWR2aXNvcnlHSFNBLWM1OTctZjc0bS1qZ2My
Source: GitHub Advisory Database
Origin: Unspecified
Severity: Moderate
Classification: General
Published: about 2 years ago
Updated: about 1 year ago
CVSS Score: 5.9
CVSS vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
Identifiers: GHSA-c597-f74m-jgc2, CVE-2020-1758
References:
- https://nvd.nist.gov/vuln/detail/CVE-2020-1758
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-1758
- https://issues.redhat.com/browse/KEYCLOAK-13285
- https://github.com/advisories/GHSA-c597-f74m-jgc2
Affected Packages
maven:org.keycloak:keycloak-parent
Dependent packages: 9Dependent repositories: 41
Downloads:
Affected Version Ranges: < 10.0.0
Fixed in: 10.0.0
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
All unaffected versions: 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, 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