CVE-2021-3690 – undertow: buffer leak on incoming websocket PONG message may lead to DoS
https://notcve.org/view.php?id=CVE-2021-3690
A flaw was found in Undertow. A buffer leak on the incoming WebSocket PONG message may lead to memory exhaustion. This flaw allows an attacker to cause a denial of service. The highest threat from this vulnerability is availability. Se ha encontrado un fallo en Undertow. • https://access.redhat.com/security/cve/CVE-2021-3690 https://bugzilla.redhat.com/show_bug.cgi?id=1991299 https://github.com/undertow-io/undertow/commit/c7e84a0b7efced38506d7d1dfea5902366973877 https://issues.redhat.com/browse/UNDERTOW-1935 • CWE-400: Uncontrolled Resource Consumption CWE-401: Missing Release of Memory after Effective Lifetime •
CVE-2021-3424 – keycloak: Internationalized domain name (IDN) homograph attack to impersonate users
https://notcve.org/view.php?id=CVE-2021-3424
A flaw was found in keycloak as shipped in Red Hat Single Sign-On 7.4 where IDN homograph attacks are possible. A malicious user can register himself with a name already registered and trick admin to grant him extra privileges. Se ha encontrado un fallo en keycloak, tal y como es enviado en Red Hat Single Sign-On versión 7.4, en el que son posibles los ataques de homografía IDN. Un usuario malicioso puede registrarse con un nombre ya registrado y engañar al administrador para que le conceda privilegios adicionales A flaw was found in keycloak, where IDN homograph attacks are possible. This flaw allows a malicious user to register a name that already exists and then tricking an admin to grant extra privileges. • https://bugzilla.redhat.com/show_bug.cgi?id=1933320 https://access.redhat.com/security/cve/CVE-2021-3424 • CWE-287: Improper Authentication •
CVE-2021-3461 – keycloak: Backchannel logout not working when Principal Type is set to Attribute Name for external SAML IDP
https://notcve.org/view.php?id=CVE-2021-3461
A flaw was found in keycloak where keycloak may fail to logout user session if the logout request comes from external SAML identity provider and Principal Type is set to Attribute [Name]. Se ha encontrado un fallo en keycloak por el que keycloak puede fallar al cerrar la sesión del usuario si la petición de cierre de sesión proviene de un proveedor de identidad SAML externo y el tipo de principal está configurado como atributo [nombre] • https://bugzilla.redhat.com/show_bug.cgi?id=1941565 https://access.redhat.com/security/cve/CVE-2021-3461 • CWE-613: Insufficient Session Expiration •
CVE-2020-14341
https://notcve.org/view.php?id=CVE-2020-14341
The "Test Connection" available in v7.x of the Red Hat Single Sign On application console can permit an authorized user to cause SMTP connections to be attempted to arbitrary hosts and ports of the user's choosing, and originating from the RHSSO installation. By observing differences in the timings of these scans, an attacker may glean information about hosts and ports which they do not have access to scan directly. La "Test Connection" disponible en la versión v7.x de la consola de la aplicación Red Hat Single Sign On puede permitir a un usuario autorizado causar conexiones SMTP que se intentarán con hosts y puertos arbitrarios para hosts y puertos arbitrarios que elija el usuario, y que se originen la instalación de RHSSO. Al observar las diferencias en los tiempos de estos análisis, un atacante puede obtener información sobre hosts y puertos a los que no tiene acceso para analizar directamente • https://bugzilla.redhat.com/show_bug.cgi?id=1860138 • CWE-385: Covert Timing Channel •
CVE-2020-10695 – containers/redhat-sso-7: /etc/passwd is given incorrect privileges
https://notcve.org/view.php?id=CVE-2020-10695
An insecure modification flaw in the /etc/passwd file was found in the redhat-sso-7 container. An attacker with access to the container can use this flaw to modify the /etc/passwd and escalate their privileges. Se encontró un fallo de modificación no segura del archivo /etc/passwd en el contenedor redhat-sso-7. Un atacante con acceso al contenedor puede usar este fallo para modificar el archivo /etc/passwd y escalar sus privilegios • https://bugzilla.redhat.com/show_bug.cgi?id=1817530 https://access.redhat.com/security/cve/CVE-2020-10695 https://access.redhat.com/articles/4859371 • CWE-266: Incorrect Privilege Assignment •