envoyproxy/envoy: incorrectly validates TLS certificates when using wildcards for DNS SAN's

An improper certificate validation vulnerability was found in envoyproxy/envoy, when externally created certificates with wildcards in the DNS Subject Alternative Name are used. This flaw allows an attacker to subvert the envoy filter or destination rules to access restricted resources. The highe...

Envoy Access Control Error Vulnerability (CNVD-2020-43168)

Envoy is an open source distributed proxy server . An Access Control Error vulnerability exists in Envoy. The vulnerability arises from a network system or product that does not properly restrict access to resources from unauthorized roles. No detailed vulnerability details are currently availabl...

CVE-2020-15104

In Envoy before versions 1.12.6, 1.13.4, 1.14.4, and 1.15.0 when validating TLS certificates, Envoy would incorrectly allow a wildcard DNS Subject Alternative Name apply to multiple subdomains. For example, with a SAN of .example.com, Envoy would incorrectly allow nested.subdomain.example.com, wh...

CVE-2020-15104

In Envoy before versions 1.12.6, 1.13.4, 1.14.4, and 1.15.0 when validating TLS certificates, Envoy would incorrectly allow a wildcard DNS Subject Alternative Name apply to multiple subdomains. For example, with a SAN of .example.com, Envoy would incorrectly allow nested.subdomain.example.com, wh...

Design/Logic Flaw

In Envoy before versions 1.12.6, 1.13.4, 1.14.4, and 1.15.0 when validating TLS certificates, Envoy would incorrectly allow a wildcard DNS Subject Alternative Name apply to multiple subdomains. For example, with a SAN of .example.com, Envoy would incorrectly allow nested.subdomain.example.com, wh...

CVE-2020-15104

CVE-2020-15104 describes a TLS certificate validation issue in Envoy prior to 1.12.6, 1.13.4, 1.14.4, and 1.15.0 where a wildcard DNS SAN could apply to multiple subdomains, e.g., *.example.com allowing nested.subdomain.example.com instead of only subdomain.example.com. The defect affects both cl...

CVE-2020-15104 TLS Validation Vulnerability in Envoy

In Envoy before versions 1.12.6, 1.13.4, 1.14.4, and 1.15.0 when validating TLS certificates, Envoy would incorrectly allow a wildcard DNS Subject Alternative Name apply to multiple subdomains. For example, with a SAN of .example.com, Envoy would incorrectly allow nested.subdomain.example.com, wh...

PT-2020-14187 · Envoy · Envoy

Name of the Vulnerable Software and Affected Versions: Envoy versions prior to 1.12.6 Envoy versions prior to 1.13.4 Envoy versions prior to 1.14.4 Envoy versions prior to 1.15.0 Description: The issue arises when validating TLS certificates, where Envoy incorrectly allows a wildcard DNS Subject...

CVE-2020-15104

An improper certificate validation vulnerability was found in envoyproxy/envoy, when externally created certificates with wildcards in the DNS Subject Alternative Name are used. This flaw allows an attacker to subvert the envoy filter or destination rules to access restricted resources. The highe...

envoy: Resource exhaustion when processing HTTP/1.1 headers with long field names

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...

envoy: Resource exhaustion when proxying HTTP/2 requests or responses with small data frames

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...

envoy: Resource exhaustion via HTTP/2 client requests with large payloads and improper stream windows

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: Resource exhaustion when accepting too many connections

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...

RHEL 8 : Red Hat OpenShift Service Mesh 1.0 servicemesh-proxy (RHSA-2020:2864)

The remote Redhat Enterprise Linux 8 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2020:2864 advisory. Red Hat OpenShift Service Mesh is Red Hat's distribution of the Istio service mesh project, tailored for installation into an on-premise...

Envoy Buffer Overflow Vulnerability (CNVD-2020-51394)

Envoy is an open source distributed proxy server . A buffer overflow vulnerability exists in Envoy versions 1.14.2, 1.13.2, and 1.12.4 and earlier. A remote attacker could exploit this vulnerability to cause an application crash large memory consumption...

Envoy Resource Management Error Vulnerability (CNVD-2020-51750)

Envoy is an open source distributed proxy server . A resource management error vulnerability exists in Envoy versions 1.14.2 and earlier, 1.13.2 and earlier, and 1.12.4 and earlier. An attacker can exploit the vulnerability by consuming large amounts of memory with requests with HTTP/1.1 headers...

Envoy Resource Management Error Vulnerability (CNVD-2020-51393)

Envoy is an open source distributed proxy server . A resource management error vulnerability exists in Envoy versions 1.14.2 and earlier, 1.13.2 and earlier, and 1.12.4 and earlier. An attacker could exploit the vulnerability to exhaust file descriptors and memory...

Envoy Resource Management Error Vulnerability (CNVD-2020-51751)

Envoy is an open source distributed proxy server . A resource management error vulnerability exists in Envoy versions 1.14.2 and earlier, 1.13.2 and earlier, and 1.12.4 and earlier. An attacker can exploit the vulnerability to consume large amounts of memory...

envoy: Resource exhaustion via HTTP/2 client requests with large payloads and improper stream windows

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: Resource exhaustion when accepting too many connections

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...