A privilege escalation flaw was found in the token exchange feature of keycloak. Missing authorization allows a client application holding a valid access token to exchange tokens for any target client by passing the client_id of the target. This could allow a client to gain unauthorized access to additional services.

There are packages installed that are affected by a vulnerability referenced in the following CVE:

  - A privilege escalation flaw was found in the token exchange feature of keycloak. Missing authorization
    allows a client application holding a valid access token to exchange tokens for any target client by
    passing the client_id of the target. This could allow a client to gain unauthorized access to additional
    services. (CVE-2022-1245)

The remote Redhat Enterprise Linux 7 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2022:1711 advisory.

    Red Hat Single Sign-On 7.5 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 7.5.2 on RHEL 7 serves as a security patch for Red Hat Single Sign-     On 7.5.2, and includes bug fixes and enhancements, which are documented in the Release Notes document     linked to in the References.

    Security Fix(es):

    * keycloak: Privilege escalation vulnerability on Token Exchange (CVE-2022-1245)

    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 a vulnerability as referenced in the RHSA-2022:1712 advisory.

    Red Hat Single Sign-On 7.5 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 7.5.2 on RHEL 8 serves as a security patch for Red Hat Single Sign-     On 7.5.2, and includes bug fixes and enhancements, which are documented in the Release Notes document     linked to in the References.

    Security Fix(es):

    * keycloak: Privilege escalation vulnerability on Token Exchange (CVE-2022-1245)

    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.

ID	Name	Product	Family	Severity
411845	SCA: security update for org.keycloak:keycloak-services (GHSA-75p6-52g3-rqc8)	Tenable Cloud Security	SCA Checks	critical
411845	SCA: security update for org.keycloak:keycloak-services (GHSA-75p6-52g3-rqc8)	Tenable Self-Hosted Container Security	SCA Checks	critical
160539	RHEL 7 : Red Hat Single Sign-On 7.5.2 security update on RHEL 7 (Moderate) (RHSA-2022:1711)	Nessus	Red Hat Local Security Checks	critical
160514	RHEL 8 : Red Hat Single Sign-On 7.5.2 security update on RHEL 8 (Moderate) (RHSA-2022:1712)	Nessus	Red Hat Local Security Checks	critical

Detections

Analytics

CVE-2022-1245

critical

Tenable Plugins

critical

critical

critical

critical