SUSE CVE-2022-21656

Envoy is an open source edge and service proxy, designed for cloud-native applications. The defaultvalidator.cc implementation used to implement the default certificate validation routines has a "type confusion" bug when processing subjectAltNames. This processing allows, for example, an rfc822Na...

CVE-2022-21656 X.509 subjectAltName matching bypass in Envoy

Envoy is an open source edge and service proxy, designed for cloud-native applications. The defaultvalidator.cc implementation used to implement the default certificate validation routines has a "type confusion" bug when processing subjectAltNames. This processing allows, for example, an rfc822Na...

CVE-2022-21656

CVE-2022-21656 concerns Envoy. The connected sources describe a type-confusion bug in the default_validator.cc handling of subjectAltNames that can allow rfc822Name or URI names to be treated as domain names, bypassing nameConstraints from OpenSSL/BoringSSL and enabling impersonation of upstream ...