CVE-2021-32777 Incorrect concatenation of multiple value request headers in ext-authz extension

Envoy is an open source L7 proxy and communication bus designed for large modern service oriented architectures. In affected versions when ext-authz extension is sending request headers to the external authorization service it must merge multiple value headers according to the HTTP spec. However,...

CVE-2021-32777

CVE-2021-32777 affects Envoy’s ext-authz extension, where sending request headers to the external authorization service fails to merge multiple value headers as required by HTTP spec. This can allow specially crafted requests to bypass authorization or escalate privileges when multiple-valued hea...

Envoy 代码问题漏洞

Envoy is an open source distributed proxy server. A code issue vulnerability exists in the Envoy functionality that stems from an invalid state transition from CLOSED to DRAINING in the same I/O event...

PT-2021-19926 · Envoy · Envoy

Name of the Vulnerable Software and Affected Versions: Envoy versions prior to 1.18.4 Envoy versions prior to 1.19.1 Description: Envoy is an open source L7 proxy and communication bus designed for large modern service oriented architectures. In affected versions, Envoy transitions a H/2 connecti...

Envoy SQL注入漏洞

Envoy is an open source distributed proxy server . envoyproxy envoy SQL injection vulnerability can be exploited by an attacker to cause a denial of service on the proxy...

Envoy 安全漏洞

Envoy is an open source distributed proxy server. A security vulnerability exists in Envoy. The vulnerability allows an attacker to bypass rule policies that use the extauthz extension. The biggest threats from this vulnerability are confidentiality, integrity, and system availability...

PT-2021-19927 · Envoy · Envoy

Name of the Vulnerable Software and Affected Versions: Envoy versions prior to 1.19.1 Envoy versions prior to 1.18.4 Envoy versions prior to 1.17.4 Envoy versions prior to 1.16.5 Description: Envoy is an open source L7 proxy and communication bus designed for large modern service-oriented...

PT-2021-19922 · Envoy · Envoy

Name of the Vulnerable Software and Affected Versions: Envoy versions 1.16.5 through 1.19.0 Description: The issue affects Envoy, an open source L7 proxy and communication bus. In the affected versions, when the ext-authz extension sends request headers to the external authorization service, it...

PT-2021-19923 · Envoy · Envoy

Name of the Vulnerable Software and Affected Versions: Envoy versions prior to 1.16.5 Envoy versions prior to 1.17.4 Envoy versions prior to 1.18.4 Envoy versions prior to 1.19.1 Description: The procedure for resetting an HTTP/2 stream in Envoy has ON^2 complexity, leading to high CPU utilizatio...

PT-2021-19924 · Envoy · Envoy

Name of the Vulnerable Software and Affected Versions: Envoy versions prior to 1.16.5 Envoy versions 1.16.5 through 1.19.0 Envoy version 1.18.0 with path normalization=false Description: The issue arises from Envoy's incorrect handling of a URI 'fragment' element as part of the path element. This...

Envoy 安全漏洞

Envoy is an open source distributed proxy server. Envoy suffers from a security vulnerability that stems from incorrectly evaluating HTTP requests containing URI fragments when an authorization policy based on URI paths is specified. An attacker could use this vulnerability to bypass the...

Envoy 缓冲区错误漏洞

Envoy is an open source distributed proxy server. Envoy suffers from a buffer error vulnerability that can be exploited by an attacker to trigger a denial of service...

Oracle Linux 8 : olcne (ELSA-2021-9398)

The remote Oracle Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2021-9398 advisory. - Address Istio CVE's CVE-2021-28683, CVE-2021-28682, CVE-2021-29258, CVE-2021-31920, CVE-2021-31921, CVE-2021-34824 - Address CVE-2021-28683,...

Oracle Linux 8 : olcne (ELSA-2021-9396)

The remote Oracle Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2021-9396 advisory. - Address Istio CVE's CVE-2021-28683, CVE-2021-28682, CVE-2021-29258, CVE-2021-31920, CVE-2021-31921, CVE-2021-34824 istio - Address CVE-2021-28683,...

Oracle Linux 7 : olcne (ELSA-2021-9399)

The remote Oracle Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2021-9399 advisory. - Address Istio CVE's CVE-2021-28683, CVE-2021-28682, CVE-2021-29258, CVE-2021-31920, CVE-2021-31921, CVE-2021-34824 - Address CVE-2021-28683,...

Oracle Linux 7 : olcne (ELSA-2021-9397)

The remote Oracle Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2021-9397 advisory. - Address Istio CVE's CVE-2021-28683, CVE-2021-28682, CVE-2021-29258, CVE-2021-31920, CVE-2021-31921, CVE-2021-34824 istio - Address CVE-2021-28683,...

CVE-2021-32783

Contour is a Kubernetes ingress controller using Envoy proxy. In Contour before version 1.17.1 a specially crafted ExternalName type Service may be used to access Envoy's admin interface, which Contour normally prevents from access outside the Envoy container. This can be used to shut down Envoy...

CVE-2021-32783

Contour is a Kubernetes ingress controller using Envoy proxy. In Contour before version 1.17.1 a specially crafted ExternalName type Service may be used to access Envoy's admin interface, which Contour normally prevents from access outside the Envoy container. This can be used to shut down Envoy...

Code injection

Contour is a Kubernetes ingress controller using Envoy proxy. In Contour before version 1.17.1 a specially crafted ExternalName type Service may be used to access Envoy's admin interface, which Contour normally prevents from access outside the Envoy container. This can be used to shut down Envoy...

CVE-2021-32783 Authorization bypass in Contour

Contour is a Kubernetes ingress controller using Envoy proxy. In Contour before version 1.17.1 a specially crafted ExternalName type Service may be used to access Envoy's admin interface, which Contour normally prevents from access outside the Envoy container. This can be used to shut down Envoy...