The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2023:3885 advisory.

    Red Hat Single Sign-On 7.6 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 7.6.4 on RHEL 9 serves as a replacement for Red Hat Single Sign-On     7.6.3, and includes bug fixes and enhancements, which are documented in the Release Notes document linked     to in the References.

    Security Fix(es):

    * keycloak: Cross-site scripting when validating URI-schemes on SAML and OIDC (CVE-2022-4361)

    * undertow: Infinite loop in SslConduit during close (CVE-2023-1108)

    * keycloak: oauth client impersonation (CVE-2023-2422)

    * keycloak: Untrusted Certificate Validation (CVE-2023-1664)

    * keycloak: client access via device auth request spoof (CVE-2023-2585)

    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.

Detections

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RHEL 9 : Red Hat Single Sign-On 7.6.4 security update on RHEL 9 (Important) (RHSA-2023:3885)

high Nessus Plugin ID 177670

Version 1.6