
CVE-2023-44487 – HTTP/2 Rapid Reset Attack Vulnerability
https://notcve.org/view.php?id=CVE-2023-44487
10 Oct 2023 — The HTTP/2 protocol allows a denial of service (server resource consumption) because request cancellation can reset many streams quickly, as exploited in the wild in August through October 2023. El protocolo HTTP/2 permite una denegación de servicio (consumo de recursos del servidor) porque la cancelación de solicitudes puede restablecer muchas transmisiones rápidamente, como se explotó en la naturaleza entre agosto y octubre de 2023. A flaw was found in handling multiplexed streams in the HTTP/2 protocol. ... • https://github.com/imabee101/CVE-2023-44487 • CWE-400: Uncontrolled Resource Consumption •

CVE-2022-39278 – Istio vulnerable to denial of service attack due to Golang Regex Library
https://notcve.org/view.php?id=CVE-2022-39278
13 Oct 2022 — Istio is an open platform-independent service mesh that provides traffic management, policy enforcement, and telemetry collection. Prior to versions 1.15.2, 1.14.5, and 1.13.9, the Istio control plane, istiod, is vulnerable to a request processing error, allowing a malicious attacker that sends a specially crafted or oversized message which results in the control plane crashing when the Kubernetes validating or mutating webhook service is exposed publicly. This endpoint is served over TLS port 15017, but do... • https://github.com/istio/istio/security/advisories/GHSA-86vr-4wcv-mm9w • CWE-400: Uncontrolled Resource Consumption •

CVE-2022-31045 – Ill-formed headers may lead to unexpected behavior in Istio
https://notcve.org/view.php?id=CVE-2022-31045
09 Jun 2022 — Istio is an open platform to connect, manage, and secure microservices. In affected versions ill-formed headers sent to Envoy in certain configurations can lead to unexpected memory access resulting in undefined behavior or crashing. Users are most likely at risk if they have an Istio ingress Gateway exposed to external traffic. This vulnerability has been resolved in versions 1.12.8, 1.13.5, and 1.14.1. Users are advised to upgrade. • https://github.com/istio/istio/security/advisories/GHSA-xwx5-5c9g-x68x • CWE-125: Out-of-bounds Read •

CVE-2022-24726 – Unauthenticated control plane denial of service attack in Istio
https://notcve.org/view.php?id=CVE-2022-24726
10 Mar 2022 — Istio is an open platform to connect, manage, and secure microservices. In affected versions the Istio control plane, istiod, is vulnerable to a request processing error, allowing a malicious attacker that sends a specially crafted message which results in the control plane crashing when the validating webhook for a cluster is exposed publicly. This endpoint is served over TLS port 15017, but does not require any authentication from the attacker. For simple installations, Istiod is typically only reachable ... • https://github.com/golang/go/issues/51112 • CWE-400: Uncontrolled Resource Consumption CWE-770: Allocation of Resources Without Limits or Throttling •

CVE-2022-23635 – Unauthenticated control plane denial of service attack in Istio
https://notcve.org/view.php?id=CVE-2022-23635
22 Feb 2022 — Istio is an open platform to connect, manage, and secure microservices. In affected versions the Istio control plane, `istiod`, is vulnerable to a request processing error, allowing a malicious attacker that sends a specially crafted message which results in the control plane crashing. This endpoint is served over TLS port 15012, but does not require any authentication from the attacker. For simple installations, Istiod is typically only reachable from within the cluster, limiting the blast radius. However,... • https://github.com/istio/istio/commit/5f3b5ed958ae75156f8656fe7b3794f78e94db84 • CWE-287: Improper Authentication CWE-1284: Improper Validation of Specified Quantity in Input •

CVE-2021-39156 – Fragments in Path May Lead to Authorization Policy Bypass
https://notcve.org/view.php?id=CVE-2021-39156
24 Aug 2021 — Istio is an open source platform for providing a uniform way to integrate microservices, manage traffic flow across microservices, enforce policies and aggregate telemetry data. Istio 1.11.0, 1.10.3 and below, and 1.9.7 and below contain a remotely exploitable vulnerability where an HTTP request with `#fragment` in the path may bypass Istio’s URI path based authorization policies. Patches are available in Istio 1.11.1, Istio 1.10.4 and Istio 1.9.8. As a work around a Lua filter may be written to normalize t... • https://github.com/istio/istio/security/advisories/GHSA-hqxw-mm44-gc4r • CWE-706: Use of Incorrectly-Resolved Name or Reference CWE-863: Incorrect Authorization •

CVE-2021-39155 – Authorization Policy Bypass Due to Case Insensitive Host Comparison
https://notcve.org/view.php?id=CVE-2021-39155
24 Aug 2021 — Istio is an open source platform for providing a uniform way to integrate microservices, manage traffic flow across microservices, enforce policies and aggregate telemetry data. According to [RFC 4343](https://datatracker.ietf.org/doc/html/rfc4343), Istio authorization policy should compare the hostname in the HTTP Host header in a case insensitive way, but currently the comparison is case sensitive. The proxy will route the request hostname in a case-insensitive way which means the authorization policy cou... • https://datatracker.ietf.org/doc/html/rfc4343 • CWE-178: Improper Handling of Case Sensitivity CWE-863: Incorrect Authorization •

CVE-2021-34824
https://notcve.org/view.php?id=CVE-2021-34824
29 Jun 2021 — Istio (1.8.x, 1.9.0-1.9.5 and 1.10.0-1.10.1) contains a remotely exploitable vulnerability where credentials specified in the Gateway and DestinationRule credentialName field can be accessed from different namespaces. Istio (versiones 1.8.x, 1.9.0-1.9.5 y 1.10.0-1.10.1) contiene una vulnerabilidad explotable de forma remota en la que se puede acceder a las credenciales especificadas en el campo Gateway y DestinationRule credentialName desde diferentes espacios de nombres • https://github.com/rsalmond/CVE-2021-34824 •

CVE-2021-31921 – istio/istio: authorization bypass when using AUTO_PASSTHROUGH
https://notcve.org/view.php?id=CVE-2021-31921
20 May 2021 — Istio before 1.8.6 and 1.9.x before 1.9.5 contains a remotely exploitable vulnerability where an external client can access unexpected services in the cluster, bypassing authorization checks, when a gateway is configured with AUTO_PASSTHROUGH routing configuration. Istio antes de la versión 1.8.6 y 1.9.x antes de la versión 1.9.5 contiene una vulnerabilidad explotable de forma remota por la que un cliente externo puede acceder a servicios inesperados en el clúster, saltándose las comprobaciones de autorizac... • https://istio.io/latest/news/security/istio-security-2021-006 • CWE-862: Missing Authorization CWE-863: Incorrect Authorization •

CVE-2021-31920 – istio/istio: HTTP request with escaped slash characters can bypass authorization mechanisms
https://notcve.org/view.php?id=CVE-2021-31920
12 May 2021 — Istio before 1.8.6 and 1.9.x before 1.9.5 has a remotely exploitable vulnerability where an HTTP request path with multiple slashes or escaped slash characters (%2F or %5C) could potentially bypass an Istio authorization policy when path based authorization rules are used. Istio versiones anteriores a 1.8.6 y versiones 1.9.x anteriores a 1.9.5 presenta una vulnerabilidad explotable de forma remota en la que una ruta de petición HTTP con múltiples barras o caracteres de barra de escape (%2F o %5C) podría omi... • https://istio.io/latest/news/security/istio-security-2021-005 • CWE-706: Use of Incorrectly-Resolved Name or Reference CWE-863: Incorrect Authorization •