CVSS: 3.1EPSS: 0%CPEs: 2EXPL: 1CVE-2020-11767
https://notcve.org/view.php?id=CVE-2020-11767
15 Apr 2020 — Istio through 1.5.1 and Envoy through 1.14.1 have a data-leak issue. If there is a TCP connection (negotiated with SNI over HTTPS) to *.example.com, a request for a domain concurrently configured explicitly (e.g., abc.example.com) is sent to the server(s) listening behind *.example.com. The outcome should instead be 421 Misdirected Request. Imagine a shared caching forward proxy re-using an HTTP/2 connection for a large subnet with many users. If a victim is interacting with abc.example.com, and a server (f... • https://bugs.chromium.org/p/chromium/issues/detail?id=954160#c5 •
CVSS: 5.3EPSS: 0%CPEs: 2EXPL: 0CVE-2020-8660 – envoy: TLS inspector bypassc
https://notcve.org/view.php?id=CVE-2020-8660
04 Mar 2020 — 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 ... • https://access.redhat.com/errata/RHSA-2020:0734 • CWE-345: Insufficient Verification of Data Authenticity CWE-358: Improperly Implemented Security Check for Standard •
CVSS: 7.3EPSS: 0%CPEs: 1EXPL: 0CVE-2020-8664 – envoy: Incorrect Access Control when using SDS with Combined Validation Context
https://notcve.org/view.php?id=CVE-2020-8664
04 Mar 2020 — 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 e... • https://access.redhat.com/errata/RHSA-2020:0734 • CWE-284: Improper Access Control CWE-287: Improper Authentication •
CVSS: 7.5EPSS: 0%CPEs: 2EXPL: 0CVE-2020-8661 – envoy: Response flooding for HTTP/1.1
https://notcve.org/view.php?id=CVE-2020-8661
04 Mar 2020 — 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. Red Hat OpenShift Service M... • https://access.redhat.com/errata/RHSA-2020:0734 • CWE-400: Uncontrolled Resource Consumption •
CVSS: 7.5EPSS: 0%CPEs: 3EXPL: 0CVE-2020-8659 – envoy: Excessive CPU and/or memory usage when proxying HTTP/1.1
https://notcve.org/view.php?id=CVE-2020-8659
04 Mar 2020 — 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 ... • https://access.redhat.com/errata/RHSA-2020:0734 • CWE-400: Uncontrolled Resource Consumption CWE-770: Allocation of Resources Without Limits or Throttling •
CVSS: 9.8EPSS: 0%CPEs: 1EXPL: 1CVE-2019-18801 – envoy: an untrusted remote client may send HTTP/2 requests that write to the heap outside of the request buffers when the upstream is HTTP/1
https://notcve.org/view.php?id=CVE-2019-18801
12 Dec 2019 — An issue was discovered in Envoy 1.12.0. An untrusted remote client may send HTTP/2 requests that write to the heap outside of the request buffers when the upstream is HTTP/1. This may be used to corrupt nearby heap contents (leading to a query-of-death scenario) or may be used to bypass Envoy's access control mechanisms such as path based routing. An attacker can also modify requests from other users that happen to be proximal temporally and spatially. Se detectó un problema en Envoy versión 1.12.0. • https://access.redhat.com/errata/RHSA-2019:4222 • CWE-131: Incorrect Calculation of Buffer Size CWE-787: Out-of-bounds Write •
CVSS: 9.8EPSS: 0%CPEs: 1EXPL: 1CVE-2019-18802 – envoy: malformed request header may cause bypass of route matchers resulting in escalation of privileges or information disclosure
https://notcve.org/view.php?id=CVE-2019-18802
12 Dec 2019 — An issue was discovered in Envoy 1.12.0. An untrusted remote client may send an HTTP header (such as Host) with whitespace after the header content. Envoy will treat "header-value " as a different string from "header-value" so for example with the Host header "example.com " one could bypass "example.com" matchers. Se detectó un problema en Envoy versión 1.12.0. Un cliente remoto no confiable puede enviar un encabezado HTTP (como Host) con espacios en blanco después del contenido del encabezado. • http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00034.html • CWE-284: Improper Access Control •
CVSS: 7.5EPSS: 0%CPEs: 1EXPL: 1CVE-2019-18838 – envoy: malformed HTTP request without the Host header may cause abnormal termination of the Envoy process
https://notcve.org/view.php?id=CVE-2019-18838
12 Dec 2019 — 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 1.1... • https://blog.envoyproxy.io • CWE-358: Improperly Implemented Security Check for Standard CWE-476: NULL Pointer Dereference •
CVSS: 7.5EPSS: 0%CPEs: 2EXPL: 2CVE-2019-18836
https://notcve.org/view.php?id=CVE-2019-18836
11 Nov 2019 — Envoy 1.12.0 allows a remote denial of service because of resource loops, as demonstrated by a single idle TCP connection being able to keep a worker thread in an infinite busy loop when continue_on_listener_filters_timeout is used." Envoy versión 1.12.0 permite una denegación de servicio remota debido a bucles de recursos, como es demostrado por una conexión TCP inactiva que es capaz de mantener un subproceso o hilo de trabajo en un bucle ocupado infinito cuando la función continue_on_listener_filters_time... • https://blog.envoyproxy.io • CWE-835: Loop with Unreachable Exit Condition ('Infinite Loop') •
CVSS: 7.8EPSS: 13%CPEs: 16EXPL: 0CVE-2019-15226
https://notcve.org/view.php?id=CVE-2019-15226
09 Oct 2019 — Upon receiving each incoming request header data, Envoy will iterate over existing request headers to verify that the total size of the headers stays below a maximum limit. The implementation in versions 1.10.0 through 1.11.1 for HTTP/1.x traffic and all versions of Envoy for HTTP/2 traffic had O(n^2) performance characteristics. A remote attacker may craft a request that stays below the maximum request header size but consists of many thousands of small headers to consume CPU and result in a denial-of-serv... • https://github.com/envoyproxy/envoy/commit/afc39bea36fd436e54262f150c009e8d72db5014 • CWE-400: Uncontrolled Resource Consumption •