CVE-2022-21656: Improper Certificate Validation

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...

APPLE OS X AND IOS X509 CERTIFICATE PARSING NAME CONSTRAINTS REMOTE CODE EXECUTION VULNERABILITY

When a client establishes a secure connection to a server, the server presents an x509 certificate which the client must validate.On Apple macOS, most client applications will use macOS’s certificate validation agent, at which point the malicious certificate will be parsed by the vulnerable code...