(RHSA-2021:3273) Important: Red Hat OpenShift Service Mesh 1.1.17.1 security update

Red Hat OpenShift Service Mesh is Red Hat’s distribution of the Istio service mesh project, tailored for installation into an on-premise OpenShift Container Platform installation.

Security Fix(es):

• envoyproxy/envoy: HTTP request with multiple value headers can bypass authorization policies (CVE-2021-32777)

• envoyproxy/envoy: HTTP request with a URL fragment in the URI can bypass authorization policies (CVE-2021-32779)

• envoyproxy/envoy: denial of service when using extensions that modify request or response sizes (CVE-2021-32781)

• istio/istio: HTTP request can bypass authorization mechanisms due to case insensitive host comparison (CVE-2021-39155)

• istio/istio: HTTP request with fragment in URI can bypass authorization mechanisms (CVE-2021-39156)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.