Vulnerabilities > CVE-2018-14657 - Improper Restriction of Excessive Authentication Attempts vulnerability in Redhat Keycloak and Single Sign-On
Attack vector
NETWORK Attack complexity
HIGH Privileges required
NONE Confidentiality impact
HIGH Integrity impact
HIGH Availability impact
HIGH Summary
A flaw was found in Keycloak 4.2.1.Final, 4.3.0.Final. When TOPT enabled, an improper implementation of the Brute Force detection algorithm will not enforce its protection measures.
Vulnerable Configurations
Part | Description | Count |
---|---|---|
Application | 4 | |
OS | 2 |
Common Weakness Enumeration (CWE)
Nessus
NASL family Red Hat Local Security Checks NASL id REDHAT-RHSA-2018-3592.NASL description New Red Hat Single Sign-On 7.2.5 packages are now available for Red Hat Enterprise Linux 6. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section. Red Hat Single Sign-On 7.2 is a standalone server, based on the Keycloak project, that provides authentication and standards-based single sign-on capabilities for web and mobile applications. This release of Red Hat Single Sign-On 7.2.5 serves as a replacement for Red Hat Single Sign-On 7.2.4, and includes bug fixes and enhancements, which are documented in the Release Notes document linked to in the References. Security Fix(es) : * keycloak: auth permitted with expired certs in SAML client (CVE-2018-10894) * keycloak: XSS-Vulnerability with response_mode=form_post (CVE-2018-14655) * keycloak: Open Redirect in Login and Logout (CVE-2018-14658) * keycloak: brute force protection not working for the entire login workflow (CVE-2018-14657) For more details about the security issue(s), including the impact, a CVSS score, and other related information, refer to the CVE page(s) listed in the References section. The CVE-2018-10894 issue was discovered by Benjamin Berg (Red Hat). last seen 2020-06-01 modified 2020-06-02 plugin id 118949 published 2018-11-14 reporter This script is Copyright (C) 2018-2019 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/118949 title RHEL 6 : Red Hat Single Sign-On 7.2.5 on RHEL 6 (RHSA-2018:3592) code # # (C) Tenable Network Security, Inc. # # The descriptive text and package checks in this plugin were # extracted from Red Hat Security Advisory RHSA-2018:3592. The text # itself is copyright (C) Red Hat, Inc. # include("compat.inc"); if (description) { script_id(118949); script_version("1.8"); script_cvs_date("Date: 2019/10/24 15:35:46"); script_cve_id("CVE-2018-10894", "CVE-2018-14637", "CVE-2018-14655", "CVE-2018-14657", "CVE-2018-14658"); script_xref(name:"RHSA", value:"2018:3592"); script_name(english:"RHEL 6 : Red Hat Single Sign-On 7.2.5 on RHEL 6 (RHSA-2018:3592)"); script_summary(english:"Checks the rpm output for the updated packages"); script_set_attribute( attribute:"synopsis", value:"The remote Red Hat host is missing one or more security updates." ); script_set_attribute( attribute:"description", value: "New Red Hat Single Sign-On 7.2.5 packages are now available for Red Hat Enterprise Linux 6. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section. Red Hat Single Sign-On 7.2 is a standalone server, based on the Keycloak project, that provides authentication and standards-based single sign-on capabilities for web and mobile applications. This release of Red Hat Single Sign-On 7.2.5 serves as a replacement for Red Hat Single Sign-On 7.2.4, and includes bug fixes and enhancements, which are documented in the Release Notes document linked to in the References. Security Fix(es) : * keycloak: auth permitted with expired certs in SAML client (CVE-2018-10894) * keycloak: XSS-Vulnerability with response_mode=form_post (CVE-2018-14655) * keycloak: Open Redirect in Login and Logout (CVE-2018-14658) * keycloak: brute force protection not working for the entire login workflow (CVE-2018-14657) For more details about the security issue(s), including the impact, a CVSS score, and other related information, refer to the CVE page(s) listed in the References section. The CVE-2018-10894 issue was discovered by Benjamin Berg (Red Hat)." ); script_set_attribute( attribute:"see_also", value:"https://access.redhat.com/documentation/en-us/red_hat_single_sign_on/?" ); script_set_attribute( attribute:"see_also", value:"https://access.redhat.com/errata/RHSA-2018:3592" ); script_set_attribute( attribute:"see_also", value:"https://access.redhat.com/security/cve/cve-2018-10894" ); script_set_attribute( attribute:"see_also", value:"https://access.redhat.com/security/cve/cve-2018-14637" ); script_set_attribute( attribute:"see_also", value:"https://access.redhat.com/security/cve/cve-2018-14655" ); script_set_attribute( attribute:"see_also", value:"https://access.redhat.com/security/cve/cve-2018-14657" ); script_set_attribute( attribute:"see_also", value:"https://access.redhat.com/security/cve/cve-2018-14658" ); script_set_attribute( attribute:"solution", value: "Update the affected rh-sso7-keycloak and / or rh-sso7-keycloak-server packages." ); script_set_cvss_base_vector("CVSS2#AV:N/AC:M/Au:N/C:P/I:P/A:P"); script_set_cvss3_base_vector("CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H"); script_set_attribute(attribute:"plugin_type", value:"local"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:rh-sso7-keycloak"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:rh-sso7-keycloak-server"); script_set_attribute(attribute:"cpe", value:"cpe:/o:redhat:enterprise_linux:6"); script_set_attribute(attribute:"vuln_publication_date", value:"2018/08/01"); script_set_attribute(attribute:"patch_publication_date", value:"2018/11/13"); script_set_attribute(attribute:"plugin_publication_date", value:"2018/11/14"); script_set_attribute(attribute:"generated_plugin", value:"current"); script_end_attributes(); script_category(ACT_GATHER_INFO); script_copyright(english:"This script is Copyright (C) 2018-2019 and is owned by Tenable, Inc. or an Affiliate thereof."); script_family(english:"Red Hat Local Security Checks"); script_dependencies("ssh_get_info.nasl"); script_require_keys("Host/local_checks_enabled", "Host/RedHat/release", "Host/RedHat/rpm-list", "Host/cpu"); exit(0); } include("audit.inc"); include("global_settings.inc"); include("misc_func.inc"); include("rpm.inc"); if (!get_kb_item("Host/local_checks_enabled")) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED); release = get_kb_item("Host/RedHat/release"); if (isnull(release) || "Red Hat" >!< release) audit(AUDIT_OS_NOT, "Red Hat"); os_ver = pregmatch(pattern: "Red Hat Enterprise Linux.*release ([0-9]+(\.[0-9]+)?)", string:release); if (isnull(os_ver)) audit(AUDIT_UNKNOWN_APP_VER, "Red Hat"); os_ver = os_ver[1]; if (! preg(pattern:"^6([^0-9]|$)", string:os_ver)) audit(AUDIT_OS_NOT, "Red Hat 6.x", "Red Hat " + os_ver); if (!get_kb_item("Host/RedHat/rpm-list")) audit(AUDIT_PACKAGE_LIST_MISSING); cpu = get_kb_item("Host/cpu"); if (isnull(cpu)) audit(AUDIT_UNKNOWN_ARCH); if ("x86_64" >!< cpu && cpu !~ "^i[3-6]86$" && "s390" >!< cpu) audit(AUDIT_LOCAL_CHECKS_NOT_IMPLEMENTED, "Red Hat", cpu); yum_updateinfo = get_kb_item("Host/RedHat/yum-updateinfo"); if (!empty_or_null(yum_updateinfo)) { rhsa = "RHSA-2018:3592"; yum_report = redhat_generate_yum_updateinfo_report(rhsa:rhsa); if (!empty_or_null(yum_report)) { security_report_v4( port : 0, severity : SECURITY_WARNING, extra : yum_report ); exit(0); } else { audit_message = "affected by Red Hat security advisory " + rhsa; audit(AUDIT_OS_NOT, audit_message); } } else { flag = 0; if (rpm_check(release:"RHEL6", reference:"rh-sso7-keycloak-3.4.14-1.Final_redhat_00001.1.jbcs.el6")) flag++; if (rpm_check(release:"RHEL6", reference:"rh-sso7-keycloak-server-3.4.14-1.Final_redhat_00001.1.jbcs.el6")) flag++; if (flag) { security_report_v4( port : 0, severity : SECURITY_WARNING, extra : rpm_report_get() + redhat_report_package_caveat() ); exit(0); } else { tested = pkg_tests_get(); if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested); else audit(AUDIT_PACKAGE_NOT_INSTALLED, "rh-sso7-keycloak / rh-sso7-keycloak-server"); } }
NASL family Red Hat Local Security Checks NASL id REDHAT-RHSA-2018-3593.NASL description New Red Hat Single Sign-On 7.2.5 packages are now available for Red Hat Enterprise Linux 7. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section. Red Hat Single Sign-On 7.2 is a standalone server, based on the Keycloak project, that provides authentication and standards-based single sign-on capabilities for web and mobile applications. This release of Red Hat Single Sign-On 7.2.5 serves as a replacement for Red Hat Single Sign-On 7.2.4, and includes bug fixes and enhancements, which are documented in the Release Notes document linked to in the References. Security Fix(es) : * keycloak: auth permitted with expired certs in SAML client (CVE-2018-10894) * keycloak: XSS-Vulnerability with response_mode=form_post (CVE-2018-14655) * keycloak: Open Redirect in Login and Logout (CVE-2018-14658) * keycloak: brute force protection not working for the entire login workflow (CVE-2018-14657) For more details about the security issue(s), including the impact, a CVSS score, and other related information, refer to the CVE page(s) listed in the References section. The CVE-2018-10894 issue was discovered by Benjamin Berg (Red Hat). last seen 2020-06-01 modified 2020-06-02 plugin id 118950 published 2018-11-14 reporter This script is Copyright (C) 2018-2019 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/118950 title RHEL 7 : Red Hat Single Sign-On 7.2.5 on RHEL 7 (RHSA-2018:3593)
Redhat
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