CVSS: 7.5EPSS: 0%CPEs: 3EXPL: 0CVE-2020-12605 – envoy: Resource exhaustion when processing HTTP/1.1 headers with long field names
https://notcve.org/view.php?id=CVE-2020-12605
Envoy version 1.14.2, 1.13.2, 1.12.4 or earlier may consume excessive amounts of memory when processing HTTP/1.1 headers with long field names or requests with long URLs. Envoy versiones 1.14.2, 1.13.2, 1.12.4 o anteriores, puede consumir cantidades excesivas de memoria cuando se procesan encabezados HTTP/1.1 con nombres de campo largos o peticiones con las URL largas An uncontrolled resource consumption vulnerability was found in Envoy. This flaw allows an attacker to craft many HTTP requests with long field names or URLs to cause the proxy to consume excessive amounts of memory, potentially resulting in a denial of service. The highest threat from this vulnerability is to system availability. • https://github.com/envoyproxy/envoy-setec/issues/137 https://github.com/envoyproxy/envoy/security/advisories/GHSA-fjxc-jj43-f777 https://access.redhat.com/security/cve/CVE-2020-12605 https://bugzilla.redhat.com/show_bug.cgi?id=1844252 • CWE-400: Uncontrolled Resource Consumption CWE-770: Allocation of Resources Without Limits or Throttling •
CVSS: 7.5EPSS: 0%CPEs: 3EXPL: 0CVE-2020-12604 – envoy: Resource exhaustion via HTTP/2 client requests with large payloads and improper stream windows
https://notcve.org/view.php?id=CVE-2020-12604
Envoy version 1.14.2, 1.13.2, 1.12.4 or earlier is susceptible to increased memory usage in the case where an HTTP/2 client requests a large payload but does not send enough window updates to consume the entire stream and does not reset the stream. Envoy versiones 1.14.2, 1.13.2, 1.12.4 o anteriores, es susceptible a incrementar un uso de memoria en el caso en que un cliente HTTP/2 solicita una gran carga útil pero no envía suficientes actualizaciones de ventana para consumir toda la transmisión de datos y no se reinicia la transmisión de datos • https://github.com/envoyproxy/envoy/commits/master https://github.com/envoyproxy/envoy/security/advisories/GHSA-8hf8-8gvw-ggvx https://access.redhat.com/security/cve/CVE-2020-12604 https://bugzilla.redhat.com/show_bug.cgi?id=1844255 • CWE-400: Uncontrolled Resource Consumption CWE-401: Missing Release of Memory after Effective Lifetime •
CVSS: 7.5EPSS: 0%CPEs: 3EXPL: 0CVE-2020-8663 – envoy: Resource exhaustion when accepting too many connections
https://notcve.org/view.php?id=CVE-2020-8663
Envoy version 1.14.2, 1.13.2, 1.12.4 or earlier may exhaust file descriptors and/or memory when accepting too many connections. Envoy versión 1.14.2, 1.13.2, 1.12.4 o anteriores, puede agotar los descriptores de archivo y/o memoria al aceptar demasiadas conexiones A flaw was found in envoy in versions through 1.14.1. Accepting too many connections may lead to an exhaustion of file descriptors and/or memory. The highest threat from this vulnerability is to system availability. • https://github.com/envoyproxy/envoy/security/advisories/GHSA-v8q7-fq78-4997 https://www.envoyproxy.io/docs/envoy/v1.13.1/intro/version_history https://access.redhat.com/security/cve/CVE-2020-8663 https://bugzilla.redhat.com/show_bug.cgi?id=1844254 • CWE-400: Uncontrolled Resource Consumption •
CVSS: 7.5EPSS: 0%CPEs: 3EXPL: 0CVE-2020-12603 – envoy: Resource exhaustion when proxying HTTP/2 requests or responses with small data frames
https://notcve.org/view.php?id=CVE-2020-12603
Envoy version 1.14.2, 1.13.2, 1.12.4 or earlier may consume excessive amounts of memory when proxying HTTP/2 requests or responses with many small (i.e. 1 byte) data frames. Envoy versiones 1.14.2, 1.13.2, 1.12.4 o anteriores, puede consumir cantidades excesivas de memoria al hacer proxy de peticiones o respuestas HTTP/2 con muchas tramas de datos pequeños (es decir, 1 byte) A flaw was found in Envoy in versions through 1.14.1. An excessive amount of memory may be consumed when proxying HTTP/2 requests and responses that contain many small (e.g. 1 byte) data frames. The highest threat from this vulnerability is to system availability. • https://github.com/envoyproxy/envoy-setec/issues/80 https://github.com/envoyproxy/envoy/security/advisories/GHSA-pc38-4q6c-85p6 https://access.redhat.com/security/cve/CVE-2020-12603 https://bugzilla.redhat.com/show_bug.cgi?id=1844251 • CWE-400: Uncontrolled Resource Consumption •
CVSS: 3.1EPSS: 0%CPEs: 2EXPL: 1CVE-2020-11767
https://notcve.org/view.php?id=CVE-2020-11767
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 (for abc.example.com) recycles the TCP connection to the forward proxy, the victim's browser may suddenly start sending sensitive data to a *.example.com server. • https://bugs.chromium.org/p/chromium/issues/detail?id=954160#c5 https://github.com/envoyproxy/envoy/issues/6767 https://github.com/istio/istio/issues/13589 https://github.com/istio/istio/issues/9429 •