It was found that keycloak before version 8.0.0 exposes internal adapter endpoints in org.keycloak.constants.AdapterConstants, which can be invoked via a specially-crafted URL. This vulnerability could allow an attacker to access unauthorized information.

The remote Redhat Enterprise Linux 6 / 7 / 8 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2019:3049 advisory.

    Red Hat Single Sign-On 7.3 is a standalone server, based on the Keycloak project, that provides     authentication and standards-based single sign-on capabilities for web and mobile applications.

    These packages provide security updates to adapters for use with Red Hat Single Sign-On 7.3.4 for Red Hat     JBoss Enterprise Application Platform 7.2.

    Security Fix(es):

    * keycloak: adapter endpoints are exposed via arbitrary URLs (CVE-2019-14820)

    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.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The remote Redhat Enterprise Linux 6 / 7 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2019:3048 advisory.

    Red Hat Single Sign-On 7.3 is a standalone server, based on the Keycloak project, that provides     authentication and standards-based single sign-on capabilities for web and mobile applications.

    These packages provide security updates to adapters for use with Red Hat Single Sign-On 7.3.4 for Red Hat     JBoss Enterprise Application Platform 6.

    Security Fix(es):

    * keycloak: adapter endpoints are exposed via arbitrary URLs (CVE-2019-14820)

    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.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2019:3046 advisory.

    Red Hat Single Sign-On 7.3 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 7.3.4 on RHEL 8 serves as a replacement for Red Hat Single Sign-On     7.3.3, and includes bug fixes and enhancements, which are documented in the Release Notes document linked     to in the References.

    Security Fix(es):

    * keycloak: cross-realm user access auth bypass (CVE-2019-14832)

    * keycloak: adapter endpoints are exposed via arbitrary URLs (CVE-2019-14820)

    * jackson-databind: polymorphic typing issue allows attacker to read arbitrary local files on the server     via crafted JSON message (CVE-2019-12814)

    * jackson-databind: default typing mishandling leading to remote code execution (CVE-2019-14379)

    * jackson-databind: polymorphic typing issue allows attacker to read arbitrary local files on the server     (CVE-2019-12086)

    * undertow: Information leak in requests for directories without trailing slashes (CVE-2019-10184)

    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.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote Redhat Enterprise Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2019:3045 advisory.

    Red Hat Single Sign-On 7.3 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 7.3.4 on RHEL 7 serves as a replacement for Red Hat Single Sign-On     7.3.3, and includes bug fixes and enhancements, which are documented in the Release Notes document linked     to in the References.

    Security Fix(es):

    * keycloak: cross-realm user access auth bypass (CVE-2019-14832)

    * keycloak: adapter endpoints are exposed via arbitrary URLs (CVE-2019-14820)

    * jackson-databind: polymorphic typing issue allows attacker to read arbitrary local files on the server     via crafted JSON message (CVE-2019-12814)

    * jackson-databind: default typing mishandling leading to remote code execution (CVE-2019-14379)

    * jackson-databind: polymorphic typing issue allows attacker to read arbitrary local files on the server     (CVE-2019-12086)

    * undertow: Information leak in requests for directories without trailing slashes (CVE-2019-10184)

    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.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote Redhat Enterprise Linux 6 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2019:3044 advisory.

    Red Hat Single Sign-On 7.3 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 7.3.4 on RHEL 6 serves as a replacement for Red Hat Single Sign-On     7.3.3, and includes bug fixes and enhancements, which are documented in the Release Notes document linked     to in the References.

    Security Fix(es):

    * keycloak: cross-realm user access auth bypass (CVE-2019-14832)

    * keycloak: adapter endpoints are exposed via arbitrary URLs (CVE-2019-14820)

    * jackson-databind: polymorphic typing issue allows attacker to read arbitrary local files on the server     via crafted JSON message (CVE-2019-12814)

    * jackson-databind: default typing mishandling leading to remote code execution (CVE-2019-14379)

    * jackson-databind: polymorphic typing issue allows attacker to read arbitrary local files on the server     (CVE-2019-12086)

    * undertow: Information leak in requests for directories without trailing slashes (CVE-2019-10184)

    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.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

ID	Name	Product	Family	Severity
129867	RHEL 6 / 7 / 8 : RH-SSO 7.3.4 adapters for Enterprise Application Platform 7.2 (RHSA-2019:3049)	Nessus	Red Hat Local Security Checks	medium
129866	RHEL 6 / 7 : RH-SSO 7.3.4 adapters for Enterprise Application Platform 6 (RHSA-2019:3048)	Nessus	Red Hat Local Security Checks	medium
129865	RHEL 8 : Red Hat Single Sign-On 7.3.4 security update on RHEL 8 (Important) (RHSA-2019:3046)	Nessus	Red Hat Local Security Checks	critical
129864	RHEL 7 : Red Hat Single Sign-On 7.3.4 security update on RHEL 7 (Important) (RHSA-2019:3045)	Nessus	Red Hat Local Security Checks	critical
129863	RHEL 6 : Red Hat Single Sign-On 7.3.4 security update on RHEL 6 (Important) (RHSA-2019:3044)	Nessus	Red Hat Local Security Checks	critical

Detections

Analytics

CVE-2019-14820

medium

Tenable Plugins

medium

medium

critical

critical

critical