Authorization bypass in Istio

In Istio 1.5.0 though 1.5.8 and Istio 1.6.0 through 1.6.7, when users specify an AuthorizationPolicy resource with DENY actions using wildcard suffixes e.g. -some-suffix for source principals or namespace fields, callers will never be denied access, bypassing the intended policy...

Authorization bypass in Istio

In Istio 1.5.0 though 1.5.8 and Istio 1.6.0 through 1.6.7, when users specify an AuthorizationPolicy resource with DENY actions using wildcard suffixes e.g. -some-suffix for source principals or namespace fields, callers will never be denied access, bypassing the intended policy...