Kurz gesagt
- CVE-2020-16844 ist eine Schwachstelle (MITTEL (CVSS 6.8)) in istio.io/istio, istio (istio).
- Wahrscheinlichkeit einer Ausnutzung in den nächsten 30 Tagen (EPSS): 1.1%, höher als bei 65.5% aller Schwachstellen.
- Abhilfe: auf 1.5.9, 1.6.8 oder neuer aktualisieren.
| Package | Affected versions | Patched versions |
|---|
| istio.io/istio Go | ≥ 1.5.0, < 1.5.9≥ 1.6.0, < 1.6.8
| 1.5.91.6.8
|
| istio | ≥ 1.5.0, ≤ 1.5.8≥ 1.6.0, ≤ 1.6.7
| No fix yet |
Description
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.
Specific Go Packages Affected
istio.io/istio/pilot/pkg/security/authz/model/matcher
NVD description
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.
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