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.
Affected Software
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Istio | Istio | 1.5.0 (including) | 1.5.8 (including) |
| Istio | Istio | 1.6.0 (including) | 1.6.7 (including) |
| OpenShift Service Mesh 1.1 | RedHat | servicemesh-0:1.1.7-1.el8 | * |