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CVSS: 6.4EPSS: 0%CPEs: 23EXPL: 0

25 Apr 2024 — A flaw was found in the SAML client registration in Keycloak that could allow an administrator to register malicious JavaScript URIs as Assertion Consumer Service POST Binding URLs (ACS), posing a Cross-Site Scripting (XSS) risk. This issue may allow a malicious admin in one realm or a client with registration access to target users in different realms or applications, executing arbitrary JavaScript in their contexts upon form submission. This can enable unauthorized access and harmful actions, compromising... • https://access.redhat.com/errata/RHSA-2024:1867 • CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') •

CVSS: 7.8EPSS: 0%CPEs: 22EXPL: 0

17 Apr 2024 — A flaw was found in Keycloak's OIDC component in the "checkLoginIframe," which allows unvalidated cross-origin messages. This flaw allows attackers to coordinate and send millions of requests in seconds using simple code, significantly impacting the application's availability without proper origin validation for incoming messages. Se encontró una falla en el componente OIDC de Keycloak en "checkLoginIframe", que permite mensajes de origen cruzado no validados. Esta falla permite a los atacantes coordinar y ... • https://access.redhat.com/errata/RHSA-2024:1860 • CWE-346: Origin Validation Error •

CVSS: 9.4EPSS: 0%CPEs: 21EXPL: 0

17 Apr 2024 — A flaw was found in Keycloak, where it does not properly validate URLs included in a redirect. This issue could allow an attacker to construct a malicious request to bypass validation and access other URLs and sensitive information within the domain or conduct further attacks. This flaw affects any client that utilizes a wildcard in the Valid Redirect URIs field, and requires user interaction within the malicious URL. Se encontró una falla en Keycloak, donde no valida correctamente las URL incluidas en una ... • https://access.redhat.com/errata/RHSA-2024:1860 • CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') •

CVSS: 5.5EPSS: 0%CPEs: 31EXPL: 0

02 Apr 2024 — A vulnerability in the Eclipse Vert.x toolkit causes a memory leak in TCP servers configured with TLS and SNI support. When processing an unknown SNI server name assigned the default certificate instead of a mapped certificate, the SSL context is erroneously cached in the server name map, leading to memory exhaustion. This flaw allows attackers to send TLS client hello messages with fake server names, triggering a JVM out-of-memory error. Una vulnerabilidad en Eclipse Vert.x toolkit provoca una pérdida de m... • https://access.redhat.com/errata/RHSA-2024:1662 • CWE-400: Uncontrolled Resource Consumption CWE-401: Missing Release of Memory after Effective Lifetime •

CVSS: 6.8EPSS: 0%CPEs: 31EXPL: 0

27 Mar 2024 — A vulnerability in the Eclipse Vert.x toolkit results in a memory leak due to using Netty FastThreadLocal data structures. Specifically, when the Vert.x HTTP client establishes connections to different hosts, triggering the memory leak. The leak can be accelerated with intimate runtime knowledge, allowing an attacker to exploit this vulnerability. For instance, a server accepting arbitrary internet addresses could serve as an attack vector by connecting to these addresses, thereby accelerating the memory le... • https://access.redhat.com/errata/RHSA-2024:1662 • CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer CWE-401: Missing Release of Memory after Effective Lifetime •

CVSS: 7.8EPSS: 0%CPEs: 18EXPL: 0

22 Mar 2024 — A flaw was found in XNIO. The XNIO NotifierState that can cause a Stack Overflow Exception when the chain of notifier states becomes problematically large can lead to uncontrolled resource management and a possible denial of service (DoS). Se encontró una falla en XNIO. El XNIO NotifierState que puede provocar una excepción de desbordamiento de pila cuando la cadena de estados de notificador se vuelve problemáticamente grande puede provocar una gestión descontrolada de recursos y una posible denegación de s... • https://access.redhat.com/errata/RHSA-2023:7637 • CWE-400: Uncontrolled Resource Consumption •

CVSS: 7.8EPSS: 0%CPEs: 25EXPL: 0

19 Feb 2024 — A vulnerability was found in Undertow. This vulnerability impacts a server that supports the wildfly-http-client protocol. Whenever a malicious user opens and closes a connection with the HTTP port of the server and then closes the connection immediately, the server will end with both memory and open file limits exhausted at some point, depending on the amount of memory available. At HTTP upgrade to remoting, the WriteTimeoutStreamSinkConduit leaks connections if RemotingConnection is closed by Remoting Ser... • https://access.redhat.com/errata/RHSA-2024:1674 • CWE-400: Uncontrolled Resource Consumption •

CVSS: 6.5EPSS: 0%CPEs: 11EXPL: 0

19 Feb 2024 — A flaw was found in Quarkus. When a Quarkus RestEasy Classic or Reactive JAX-RS endpoint has its methods declared in the abstract Java class or customized by Quarkus extensions using the annotation processor, the authorization of these methods will not be enforced if it is enabled by either 'quarkus.security.jaxrs.deny-unannotated-endpoints' or 'quarkus.security.jaxrs.default-roles-allowed' properties. Se encontró un defecto en Quarkus. Cuando un endpoint Quarkus RestEasy Classic o Reactive JAX-RS tiene sus... • https://access.redhat.com/errata/RHSA-2024:0494 • CWE-285: Improper Authorization CWE-287: Improper Authentication •