GHSA-7774-7VR3-CC8J Authorization Policy Bypass Due to Case Insensitive Host Comparison

Impact According to RFC 4343, 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 Envoy proxy will route the request hostname in a case-insensitive way which means the authorization policy...

GHSA-7774-7VR3-CC8J vulnerabilities

Vulnerabilities for packages: istio-pilot-discovery, istio-pilot-agent, istio-cni, istio-operator...

Authorization Policy Bypass Due to Case Insensitive Host Comparison

Impact According to RFC 4343, 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 Envoy proxy will route the request hostname in a case-insensitive way which means the authorization policy...

Improper Handling of Case Sensitivity

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, Istio authorization policy should compare the hostname in the HTTP Host header in a case...

Improper Handling of Case Sensitivity

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, Istio authorization policy should compare the hostname in the HTTP Host header in a case...

Incorrect Authorization

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...

Privilege Escalation

Istio is vulnerable to privilege escalation. The vulnerability exists due to case insensitive when authorizing hostname in the HTTP Host header...

Privilege Escalation

github.com/istio/istio is vulnerable to privilege escalation. Lack of case-sensitive comparison of hostname in the HTTP Host header allows an attacker to bypass the authorization policy as it causes the Envoy proxy to route the request hostname in a case-insensitive way...

Privilege Escalation

github.com/istio/istio is vulnerable to privilege escalation. An attacker is able exploit the vulnerability to bypass the URI based authorization policies by sending an HTTP request with fragment in the path...

Important: Red Hat Security Advisory: Red Hat OpenShift Service Mesh 2.0.7.1 security update

An update for servicemesh and servicemesh-proxy is now available for OpenShift Service Mesh 2.0. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for...

istio/istio: HTTP request with fragment in URI can bypass authorization mechanisms

An authorization bypass vulnerability was found in istio/istio. An HTTP request is incorrectly evaluated when a URI fragment is specified. This flaw allows an attacker to bypass an Istio URI-based authorization rule. The highest threat from this vulnerability is to confidentiality, integrity, as...

istio/istio: HTTP request can bypass authorization mechanisms due to case insensitive host comparison

An authorization bypass vulnerability was found in istio/istio. The case insensitive host comparison incorrectly works when evaluating rules specified with host or notHost. This flaw allows an attacker to bypass an Istio authorization policy that uses hosts in the rules, potentially gaining acces...

istio/istio: HTTP request can bypass authorization mechanisms due to case insensitive host comparison

An authorization bypass vulnerability was found in istio/istio. The case insensitive host comparison incorrectly works when evaluating rules specified with host or notHost. This flaw allows an attacker to bypass an Istio authorization policy that uses hosts in the rules, potentially gaining acces...

istio/istio: HTTP request with fragment in URI can bypass authorization mechanisms

An authorization bypass vulnerability was found in istio/istio. An HTTP request is incorrectly evaluated when a URI fragment is specified. This flaw allows an attacker to bypass an Istio URI-based authorization rule. The highest threat from this vulnerability is to confidentiality, integrity, as...

Important: Red Hat Security Advisory: Red Hat OpenShift Service Mesh 1.1.17.1 security update

An update for servicemesh and servicemesh-proxy is now available for OpenShift Service Mesh 1.1. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for...

RHEL 8 : Red Hat OpenShift Service Mesh 2.0.7.1 (RHSA-2021:3272)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2021:3272 advisory. Red Hat OpenShift Service Mesh is Red Hat's distribution of the Istio service mesh project, tailored for installation into an on-premise...

RHEL 8 : Red Hat OpenShift Service Mesh 1.1.17.1 (RHSA-2021:3273)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2021:3273 advisory. Red Hat OpenShift Service Mesh is Red Hat's distribution of the Istio service mesh project, tailored for installation into an on-premise...

CVE-2021-39156 vulnerabilities

Vulnerabilities for packages: istio-pilot-discovery, istio-pilot-agent, istio-cni, istio-operator...

CVE-2021-39156

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...

CVE-2021-39156

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...