A flaw was found in XNIO, specifically in the notifyReadClosed method. The issue revealed this method was logging a message to another expected end. This flaw allows an attacker to send flawed requests to a server, possibly causing log contention-related performance concerns or an unwanted disk fill-up.

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2022:7410 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 7.6.1 on RHEL 8 serves as a replacement for Red Hat Single Sign-On     7.6.0, and includes bug fixes and enhancements, which are documented in the Release Notes document linked     to in the References.

    Security Fix(es):

    * jackson-databind: denial of service via a large depth of nested objects (CVE-2020-36518)

    * h2: Remote Code Execution in Console (CVE-2021-42392)

    * netty: control chars in header names may lead to HTTP request smuggling (CVE-2021-43797)

    * xnio: org.xnio.StreamConnection.notifyReadClosed log to debug instead of stderr (CVE-2022-0084)

    * keycloak: Stored XSS in groups dropdown (CVE-2022-0225)

    * wildfly: Wildfly management of EJB Session context returns wrong caller principal with Elytron Security     enabled (CVE-2022-0866)

    * keycloak: Uploading of SAML javascript protocol mapper scripts through the admin console (CVE-2022-2668)

    For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, 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 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2022:7411 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 7.6.1 on RHEL 9 serves as a replacement for Red Hat Single Sign-On     7.6.0, and includes bug fixes and enhancements, which are documented in the Release Notes document linked     to in the References.

    Security Fix(es):

    * jackson-databind: denial of service via a large depth of nested objects (CVE-2020-36518)

    * h2: Remote Code Execution in Console (CVE-2021-42392)

    * netty: control chars in header names may lead to HTTP request smuggling (CVE-2021-43797)

    * xnio: org.xnio.StreamConnection.notifyReadClosed log to debug instead of stderr (CVE-2022-0084)

    * keycloak: Stored XSS in groups dropdown (CVE-2022-0225)

    * wildfly: Wildfly management of EJB Session context returns wrong caller principal with Elytron Security     enabled (CVE-2022-0866)

    * keycloak: Uploading of SAML javascript protocol mapper scripts through the admin console (CVE-2022-2668)

    For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, 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-2022:7409 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 7.6.1 on RHEL 7 serves as a replacement for Red Hat Single Sign-On     7.6.0, and includes bug fixes and enhancements, which are documented in the Release Notes document linked     to in the References.

    Security Fix(es):

    * jackson-databind: denial of service via a large depth of nested objects (CVE-2020-36518)

    * h2: Remote Code Execution in Console (CVE-2021-42392)

    * netty: control chars in header names may lead to HTTP request smuggling (CVE-2021-43797)

    * xnio: org.xnio.StreamConnection.notifyReadClosed log to debug instead of stderr (CVE-2022-0084)

    * keycloak: Stored XSS in groups dropdown (CVE-2022-0225)

    * wildfly: Wildfly management of EJB Session context returns wrong caller principal with Elytron Security     enabled (CVE-2022-0866)

    * keycloak: Uploading of SAML javascript protocol mapper scripts through the admin console (CVE-2022-2668)

    For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, 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 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2022:6783 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 7.5.3 on RHEL 8 serves as a replacement 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):

    * jackson-databind: denial of service via a large depth of nested objects (CVE-2020-36518)

    * wildfly: Wildfly management of EJB Session context returns wrong caller principal with Elytron Security     enabled (CVE-2022-0866)

    * xnio: org.xnio.StreamConnection.notifyReadClosed log to debug instead of stderr (CVE-2022-0084)

    * netty: control chars in header names may lead to HTTP request smuggling (CVE-2021-43797)

    * keycloak-saml-core: keycloak: Uploading of SAML javascript protocol mapper scripts through the admin     (CVE-2022-2668)

    * keycloak: Stored XSS in groups dropdown (CVE-2022-0225)

    * h2: Remote Code Execution in Console (CVE-2021-42392)

    * keycloak-core: keycloak: improper input validation permits script injection (CVE-2022-2256)

    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-2022:6782 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 7.5.3 on RHEL 7 serves as a replacement 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):

    * jackson-databind: denial of service via a large depth of nested objects (CVE-2020-36518)

    * wildfly: Wildfly management of EJB Session context returns wrong caller principal with Elytron Security     enabled (CVE-2022-0866)

    * xnio: org.xnio.StreamConnection.notifyReadClosed log to debug instead of stderr (CVE-2022-0084)

    * netty: control chars in header names may lead to HTTP request smuggling (CVE-2021-43797)

    * keycloak-saml-core: keycloak: Uploading of SAML javascript protocol mapper scripts through the admin     (CVE-2022-2668)

    * keycloak: Stored XSS in groups dropdown (CVE-2022-0225)

    * h2: Remote Code Execution in Console (CVE-2021-42392)

    * keycloak-core: keycloak: improper input validation permits script injection (CVE-2022-2256)

    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-2022:4918 advisory.

    Red Hat JBoss Enterprise Application Platform 7 is a platform for Java applications based on the WildFly     application runtime.

    This release of Red Hat JBoss Enterprise Application Platform 7.4.5 serves as a replacement for Red Hat     JBoss Enterprise Application Platform 7.4.4 and includes bug fixes and enhancements. See the Red Hat JBoss     Enterprise Application Platform 7.4.5 Release Notes for information about the most significant bug fixes     and enhancements included in this release.

    Security Fix(es):

    * h2: Loading of custom classes from remote servers through JNDI (CVE-2022-23221)

    * jackson-databind: denial of service via a large depth of nested objects (CVE-2020-36518)

    * netty-codec: Bzip2Decoder doesn't allow setting size restrictions for decompressed data (CVE-2021-37136)

    * netty-codec: SnappyFrameDecoder doesn't restrict chunk length and may buffer skippable chunks in an     unnecessary way (CVE-2021-37137)

    * h2: Remote Code Execution in Console (CVE-2021-42392)

    * netty: control chars in header names may lead to HTTP request smuggling (CVE-2021-43797)

    * xnio: org.xnio.StreamConnection.notifyReadClosed log to debug instead of stderr (CVE-2022-0084)

    * wildfly: Wildfly management of EJB Session context returns wrong caller principal with Elytron Security     enabled (CVE-2022-0866)

    * undertow: Double AJP response for 400 from EAP 7 results in CPING failures (CVE-2022-1319)

    * OpenJDK: Infinite loop related to incorrect handling of newlines in XMLEntityScanner (JAXP, 8270646)     (CVE-2022-21299)

    * mysql-connector-java: Difficult to exploit vulnerability allows high privileged attacker with network     access via multiple protocols to compromise MySQL Connectors (CVE-2022-21363)

    * xerces-j2: infinite loop when handling specially crafted XML document payloads (CVE-2022-23437)

    * artemis-commons: Apache ActiveMQ Artemis DoS (CVE-2022-23913)

    * Moment.js: Path traversal in moment.locale (CVE-2022-24785)

    * jboss-client: memory leakage in remote client transaction (CVE-2022-0853)

    For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, 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 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2022:4919 advisory.

    Red Hat JBoss Enterprise Application Platform 7 is a platform for Java applications based on the WildFly     application runtime.

    This release of Red Hat JBoss Enterprise Application Platform 7.4.5 serves as a replacement for Red Hat     JBoss Enterprise Application Platform 7.4.4 and includes bug fixes and enhancements. See the Red Hat JBoss     Enterprise Application Platform 7.4.5 Release Notes for information about the most significant bug fixes     and enhancements included in this release.

    Security Fix(es):

    * h2: Loading of custom classes from remote servers through JNDI (CVE-2022-23221)

    * jackson-databind: denial of service via a large depth of nested objects (CVE-2020-36518)

    * netty-codec: Bzip2Decoder doesn't allow setting size restrictions for decompressed data (CVE-2021-37136)

    * netty-codec: SnappyFrameDecoder doesn't restrict chunk length and may buffer skippable chunks in an     unnecessary way (CVE-2021-37137)

    * h2: Remote Code Execution in Console (CVE-2021-42392)

    * netty: control chars in header names may lead to HTTP request smuggling (CVE-2021-43797)

    * xnio: org.xnio.StreamConnection.notifyReadClosed log to debug instead of stderr (CVE-2022-0084)

    * wildfly: Wildfly management of EJB Session context returns wrong caller principal with Elytron Security     enabled (CVE-2022-0866)

    * undertow: Double AJP response for 400 from EAP 7 results in CPING failures (CVE-2022-1319)

    * OpenJDK: Infinite loop related to incorrect handling of newlines in XMLEntityScanner (JAXP, 8270646)     (CVE-2022-21299)

    * mysql-connector-java: Difficult to exploit vulnerability allows high privileged attacker with network     access via multiple protocols to compromise MySQL Connectors (CVE-2022-21363)

    * xerces-j2: infinite loop when handling specially crafted XML document payloads (CVE-2022-23437)

    * artemis-commons: Apache ActiveMQ Artemis DoS (CVE-2022-23913)

    * Moment.js: Path traversal in moment.locale (CVE-2022-24785)

    * jboss-client: memory leakage in remote client transaction (CVE-2022-0853)

    For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, 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
166948	RHEL 8 : Red Hat Single Sign-On 7.6.1 security update on RHEL 8 (Moderate) (RHSA-2022:7410)	Nessus	Red Hat Local Security Checks	critical
166947	RHEL 9 : Red Hat Single Sign-On 7.6.1 security update on RHEL 9 (Moderate) (RHSA-2022:7411)	Nessus	Red Hat Local Security Checks	critical
166946	RHEL 7 : Red Hat Single Sign-On 7.6.1 security update on RHEL 7 (Moderate) (RHSA-2022:7409)	Nessus	Red Hat Local Security Checks	critical
165673	RHEL 8 : Red Hat Single Sign-On 7.5.3 security update on RHEL 8 (Moderate) (RHSA-2022:6783)	Nessus	Red Hat Local Security Checks	critical
165657	RHEL 7 : Red Hat Single Sign-On 7.5.3 security update on RHEL 7 (Moderate) (RHSA-2022:6782)	Nessus	Red Hat Local Security Checks	critical
161911	RHEL 7 : Red Hat JBoss Enterprise Application Platform 7.4.5 security update on RHEL 7 (Moderate) (RHSA-2022:4918)	Nessus	Red Hat Local Security Checks	critical
161910	RHEL 8 : Red Hat JBoss Enterprise Application Platform 7.4.5 security update on RHEL 8 (Moderate) (RHSA-2022:4919)	Nessus	Red Hat Local Security Checks	critical

Detections

Analytics

CVE-2022-0084

high

Tenable Plugins

critical

critical

critical

critical

critical

critical

critical