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CVSS: 5.3EPSS: 0%CPEs: 2EXPL: 0

CNCF Envoy through 1.13.0 TLS inspector bypass. TLS inspector could have been bypassed (not recognized as a TLS client) by a client using only TLS 1.3. Because TLS extensions (SNI, ALPN) were not inspected, those connections might have been matched to a wrong filter chain, possibly bypassing some security restrictions in the process. Una omisión del inspector TLS de CNCF Envoy versiones hasta 1.13.0. El inspector TLS podría haber sido omitido (no reconocido como cliente TLS) por un cliente que usa solo TLS versión 1.3. • https://access.redhat.com/errata/RHSA-2020:0734 https://github.com/envoyproxy/envoy/security/advisories/GHSA-c4g8-7grc-5wvx https://www.envoyproxy.io/docs/envoy/v1.13.1/intro/version_history https://access.redhat.com/security/cve/CVE-2020-8660 https://bugzilla.redhat.com/show_bug.cgi?id=1802545 • CWE-345: Insufficient Verification of Data Authenticity CWE-358: Improperly Implemented Security Check for Standard •

CVSS: 7.3EPSS: 0%CPEs: 1EXPL: 0

CNCF Envoy through 1.13.0 has incorrect Access Control when using SDS with Combined Validation Context. Using the same secret (e.g. trusted CA) across many resources together with the combined validation context could lead to the “static” part of the validation context to be not applied, even though it was visible in the active config dump. CNCF Envoy versiones hasta 1.13.0, presenta un Control de Acceso incorrecto cuando se usa SDS con Contexto de Comprobación Combinada. Al utilizar el mismo secreto (por ejemplo, CA de confianza) a través de muchos recursos junto con el contexto de comprobación combinado podría conllevar a que la parte “static” del contexto de comprobación no sea aplicada, aún y cuando fuera visible en el volcado de la configuración activa. An access control bypass vulnerability was found in envoy. • https://access.redhat.com/errata/RHSA-2020:0734 https://github.com/envoyproxy/envoy/security/advisories/GHSA-3x9m-pgmg-xpx8 https://www.envoyproxy.io/docs/envoy/v1.13.1/intro/version_history https://access.redhat.com/security/cve/CVE-2020-8664 https://bugzilla.redhat.com/show_bug.cgi?id=1802542 • CWE-284: Improper Access Control CWE-287: Improper Authentication •

CVSS: 7.5EPSS: 0%CPEs: 2EXPL: 0

CNCF Envoy through 1.13.0 may consume excessive amounts of memory when responding internally to pipelined requests. CNCF Envoy versiones hasta 1.13.0, puede consumir cantidades excesivas de memoria cuando responde internamente a peticiones en tuberías "pipelined". A resource consumption vulnerability was found in the servicemesh-proxy in Envoy. An attacker could use pipelined requests to cause excessive amounts of memory to be used, possibly degrading or crashing the application. • https://access.redhat.com/errata/RHSA-2020:0734 https://github.com/envoyproxy/envoy/security/advisories/GHSA-36cq-ww7h-p4j7 https://www.envoyproxy.io/docs/envoy/v1.13.1/intro/version_history https://access.redhat.com/security/cve/CVE-2020-8661 https://bugzilla.redhat.com/show_bug.cgi?id=1802540 • CWE-400: Uncontrolled Resource Consumption •

CVSS: 7.5EPSS: 0%CPEs: 3EXPL: 0

CNCF Envoy through 1.13.0 may consume excessive amounts of memory when proxying HTTP/1.1 requests or responses with many small (i.e. 1 byte) chunks. CNCF Envoy versiones hasta 1.13.0, puede consumir cantidades excesivas de memoria cuando se hace proxy a peticiones o respuestas HTTP/1.1 con muchos fragmentos pequeños (es decir, 1 byte). A resource consumption vulnerability was found in the servicemesh-proxy in Envoy. An attacker could send specially crafted small HTTP/1.1 packets that, when processed, could cause excessive amounts of memory to be used, possibly degrading or crashing the application. • https://access.redhat.com/errata/RHSA-2020:0734 https://github.com/envoyproxy/envoy/security/advisories/GHSA-jwcm-4pwp-c2qv https://lists.debian.org/debian-lts-announce/2022/05/msg00025.html https://www.envoyproxy.io/docs/envoy/v1.13.1/intro/version_history https://access.redhat.com/security/cve/CVE-2020-8659 https://bugzilla.redhat.com/show_bug.cgi?id=1802539 • CWE-400: Uncontrolled Resource Consumption CWE-770: Allocation of Resources Without Limits or Throttling •

CVSS: 7.5EPSS: 0%CPEs: 1EXPL: 1

An issue was discovered in Envoy 1.12.0. Upon receipt of a malformed HTTP request without a Host header, it sends an internally generated "Invalid request" response. This internally generated response is dispatched through the configured encoder filter chain before being sent to the client. An encoder filter that invokes route manager APIs that access a request's Host header causes a NULL pointer dereference, resulting in abnormal termination of the Envoy process. Se detectó un problema en Envoy versión 1.12.0. • https://blog.envoyproxy.io https://github.com/envoyproxy/envoy/commits/master https://github.com/envoyproxy/envoy/security/advisories/GHSA-f2rv-4w6x-rwhc https://groups.google.com/forum/#%21forum/envoy-users https://access.redhat.com/security/cve/CVE-2019-18838 https://bugzilla.redhat.com/show_bug.cgi?id=1773449 • CWE-358: Improperly Implemented Security Check for Standard CWE-476: NULL Pointer Dereference •