A flaw was found in Undertow that tripped the client-side invocation timeout with certain calls made over HTTP2. This flaw allows an attacker to carry out denial of service attacks.

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2022:0448 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 7.5.1 on RHEL 8 serves as a replacement for Red Hat Single Sign-On     7.5.0, and includes bug fixes and enhancements, which are documented in the Release Notes document linked     to in the References.

    Security Fix(es):

    * undertow: client side invocation timeout raised when calling over HTTP and     HTTP2 (CVE-2021-3859)

    * log4j: Remote code execution in Log4j 1.x when application is configured to     use JMSSink (CVE-2022-23302)

    * log4j: SQL injection in Log4j 1.x when application is configured to use     JDBCAppender (CVE-2022-23305)

    * log4j: Unsafe deserialization flaw in Chainsaw log viewer (CVE-2022-23307)

    * log4j: Remote code execution in Log4j 1.x when application is configured to     use JMSAppender (CVE-2021-4104)

    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-2022:0447 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 7.5.1 on RHEL 7 serves as a replacement for Red Hat Single Sign-On     7.5.0, and includes bug fixes and enhancements, which are documented in the Release Notes document linked     to in the References.

    Security Fix(es):

    * undertow: client side invocation timeout raised when calling over HTTP and HTTP2 (CVE-2021-3859)

    * log4j: Remote code execution in Log4j 1.x when application is configured to     use JMSSink (CVE-2022-23302)

    * log4j: SQL injection in Log4j 1.x when application is configured to use     JDBCAppender (CVE-2022-23305)

    * log4j: Unsafe deserialization flaw in Chainsaw log viewer (CVE-2022-23307)

    * log4j: Remote code execution in Log4j 1.x when application is configured to     use JMSAppender (CVE-2021-4104)

    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-2022:0401 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 7.4.3 serves as a replacement for Red Hat     JBoss Enterprise Application Platform 7.4.2 and includes bug fixes and enhancements. See the Red Hat JBoss     Enterprise Application Platform 7.4.3 Release Notes for information about the most significant bug fixes     and enhancements included in this release.

    Security Fix(es):

    * undertow: client side invocation timeout raised when calling over HTTP2 (CVE-2021-3859)

    * EAP 7: Incomplete fix of CVE-2016-4978 in HornetQ library (CVE-2021-20318)

    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-2022:0400 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 7.4.3 serves as a replacement for Red Hat     JBoss Enterprise Application Platform 7.4.2, and includes bug fixes and enhancements. See the Red Hat     JBoss Enterprise Application Platform 7.4.3 Release Notes for information about the most significant bug     fixes and enhancements included in this release.

    Security Fix(es):

    * undertow: client side invocation timeout raised when calling over HTTP2 (CVE-2021-3859)

    * EAP 7: Incomplete fix of CVE-2016-4978 in HornetQ library (CVE-2021-20318)

    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 6 / 7 / 8 host has a package installed that is affected by a vulnerability as referenced in the RHSA-2022:0405 advisory.

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

    This asynchronous patch is a security update for Red Hat JBoss Enterprise Application Platform 7.3.

    Security Fix(es):

    * undertow: client side invocation timeout raised when calling over HTTP2 (CVE-2021-3859)

    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 this issue but has instead relied only on the application's self-reported version number.

ID	Name	Product	Family	Severity
157455	RHEL 8 : Red Hat Single Sign-On 7.5.1 security update on RHEL 8 (Important) (RHSA-2022:0448)	Nessus	Red Hat Local Security Checks	critical
157418	RHEL 7 : Red Hat Single Sign-On 7.5.1 security update on RHEL 7 (Important) (RHSA-2022:0447)	Nessus	Red Hat Local Security Checks	critical
157363	RHEL 8 : Red Hat JBoss Enterprise Application Platform 7.4.3 (RHSA-2022:0401)	Nessus	Red Hat Local Security Checks	high
157337	RHEL 7 : Red Hat JBoss Enterprise Application Platform 7.4.3 (RHSA-2022:0400)	Nessus	Red Hat Local Security Checks	high
157336	RHEL 6 / 7 / 8 : Red Hat JBoss Enterprise Application Platform 7.3 (RHSA-2022:0405)	Nessus	Red Hat Local Security Checks	high

Detections

Analytics

CVE-2021-3859

high

Tenable Plugins

critical

critical

high

high

high