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CVSS: 6.8EPSS: 0%CPEs: 12EXPL: 1

A memory leak flaw was found in WildFly in all versions up to 21.0.0.Final, where host-controller tries to reconnect in a loop, generating new connections which are not properly closed while not able to connect to domain-controller. This flaw allows an attacker to cause an Out of memory (OOM) issue, leading to a denial of service. The highest threat from this vulnerability is to system availability. Se encontró una fallo de filtrado de memoria en WildFly en todas las versiones hasta 21.0.0.Final, donde el controlador de host intenta reconectarse en un bucle, generando nuevas conexiones que no son cerradas apropiadamente mientras no es capaz de conectar al controlador de dominio. Este fallo permite a un atacante causar un problema de Falta de Memoria (OOM), conllevando a una denegación de servicio. • https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-25689 https://security.netapp.com/advisory/ntap-20201123-0006 https://access.redhat.com/security/cve/CVE-2020-25689 https://bugzilla.redhat.com/show_bug.cgi?id=1893070 • CWE-401: Missing Release of Memory after Effective Lifetime •

CVSS: 6.5EPSS: 0%CPEs: 3EXPL: 0

A flaw was found in JBoss EAP, where the authentication configuration is set-up using a legacy SecurityRealm, to delegate to a legacy PicketBox SecurityDomain, and then reloaded to admin-only mode. This flaw allows an attacker to perform a complete authentication bypass by using an arbitrary user and password. The highest threat to vulnerability is to system availability. Se encontró un fallo en JBoss EAP, donde la configuración de autenticación se configura usando un SecurityRealm heredado, para delegarlo en un SecurityDomain PicketBox heredado, y luego se vuelve a cargar al modo de solo administrador. Este fallo permite a un atacante llevar a cabo una omisión de autenticación completa mediante el uso de un usuario y una contraseña arbitrarios. • https://bugzilla.redhat.com/show_bug.cgi?id=1848533 https://access.redhat.com/security/cve/CVE-2020-14299 • CWE-287: Improper Authentication •

CVSS: 7.5EPSS: 0%CPEs: 10EXPL: 0

A memory leak flaw was found in WildFly OpenSSL in versions prior to 1.1.3.Final, where it removes an HTTP session. It may allow the attacker to cause OOM leading to a denial of service. The highest threat from this vulnerability is to system availability. Se encontró un fallo de pérdida de memoria en WildFly OpenSSL en versiones anteriores a 1.1.3.Final, donde se elimina una sesión HTTP. Puede permitir a un atacante causar OOM conllevando a una denegación de servicio. • https://bugzilla.redhat.com/show_bug.cgi?id=1885485 https://github.com/wildfly-security/wildfly-openssl-natives/pull/4/files https://issues.redhat.com/browse/WFSSL-51 https://security.netapp.com/advisory/ntap-20201016-0004 https://access.redhat.com/security/cve/CVE-2020-25644 • CWE-401: Missing Release of Memory after Effective Lifetime •

CVSS: 7.5EPSS: 0%CPEs: 6EXPL: 0

A vulnerability was found in Keycloak before 11.0.1 where DoS attack is possible by sending twenty requests simultaneously to the specified keycloak server, all with a Content-Length header value that exceeds the actual byte count of the request body. Se encontró una vulnerabilidad en Keycloak versiones anteriores a 11.0.1, donde el ataque de DoS es posible mediante el envío de veinte peticiones simultáneamente hacia el servidor de keycloak especificado, todas con un valor de encabezado Content-Length que excede el conteo de bytes real del cuerpo de la petición A flaw was found in Keycloak. This flaw allows an attacker to perform a denial of service attack by sending multiple simultaneous requests with a Content-Length header value greater than the actual byte count of the request body. The highest threat from this vulnerability is to system availability. • https://bugzilla.redhat.com/show_bug.cgi?id=1843849 https://github.com/keycloak/keycloak/commit/bee4ca89897766c4b68856eafe14f1a3dad34251 https://access.redhat.com/security/cve/CVE-2020-10758 • CWE-400: Uncontrolled Resource Consumption CWE-770: Allocation of Resources Without Limits or Throttling •

CVSS: 6.5EPSS: 0%CPEs: 6EXPL: 0

A flaw was discovered in Wildfly's EJB Client as shipped with Red Hat JBoss EAP 7, where some specific EJB transaction objects may get accumulated over the time and can cause services to slow down and eventaully unavailable. An attacker can take advantage and cause denial of service attack and make services unavailable. Se detectó un fallo en Wildfly's EJB Client que se incluyó con Red Hat JBoss EAP 7, donde algunos objetos de transacción EJB específicos pueden ser acumulados con el tiempo y pueden causar que los servicios se ralenticen y eventualmente no estén disponibles. Un atacante puede tomar ventaja y causar un ataque de denegación de servicio y hacer que los servicios no estén disponibles A flaw was found in Wildfly's EJB Client, where the accumulation of specific EJB transaction objects over time can cause services to slow down and eventually become unavailable. This flaw allows an attacker to cause a denial of service. • https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-14297 https://access.redhat.com/security/cve/CVE-2020-14297 https://bugzilla.redhat.com/show_bug.cgi?id=1853595 • CWE-400: Uncontrolled Resource Consumption •