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{"acknowledgement": "This issue was discovered by Marek Posolda (Red Hat).", "affected_release": [{"advisory": "RHSA-2020:2366", "cpe": "cpe:/a:redhat:openshift_application_runtimes:1.0", "package": "keycloak", "product_name": "Red Hat Runtimes Spring Boot 2.1.12", "release_date": "2020-06-04T00:00:00Z"}, {"advisory": "RHSA-2019:1456", "cpe": "cpe:/a:redhat:jboss_single_sign_on:7.3", "package": "keycloak", "product_name": "Red Hat Single Sign-On 7.3.2 zip", "release_date": "2019-06-11T00:00:00Z"}, {"advisory": "RHSA-2020:2067", "cpe": "cpe:/a:redhat:openshift_application_runtimes:1.0", "product_name": "Text-Only RHOAR", "release_date": "2020-05-18T00:00:00Z"}], "bugzilla": {"description": "keycloak: missing signatures validation on CRL used to verify client certificates", "id": "1690628", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1690628"}, "csaw": false, "cvss3": {"cvss3_base_score": "6.5", "cvss3_scoring_vector": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N", "status": "verified"}, "cwe": "CWE-345->CWE-295", "details": ["A vulnerability was found in keycloak before 6.0.2. The X.509 authenticator supports the verification of client certificates through the CRL, where the CRL list can be obtained from the URL provided in the certificate itself (CDP) or through the separately configured path. The CRL are often available over the network through unsecured protocols ('http' or 'ldap') and hence the caller should verify the signature and possibly the certification path. Keycloak currently doesn't validate signatures on CRL, which can result in a possibility of various attacks like man-in-the-middle."], "name": "CVE-2019-3875", "package_state": [{"cpe": "cpe:/a:redhat:jboss_fuse:7", "fix_state": "Will not fix", "package_name": "keycloak", "product_name": "Red Hat Fuse 7"}, {"cpe": "cpe:/a:redhat:mobile_application_platform:4", "fix_state": "Out of support scope", "package_name": "keycloak", "product_name": "Red Hat Mobile Application Platform 4"}, {"cpe": "cpe:/a:redhat:openshift_application_runtimes:1.0", "fix_state": "Out of support scope", "package_name": "keycloak", "product_name": "Red Hat OpenShift Application Runtimes"}, {"cpe": "cpe:/a:redhat:openshift_application_runtimes:1.0", "fix_state": "Affected", "package_name": "keycloak", "product_name": "Red Hat support for Spring Boot"}], "public_date": "2019-06-11T14:22:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2019-3875\nhttps://nvd.nist.gov/vuln/detail/CVE-2019-3875"], "threat_severity": "Moderate"}