CVE-2020-16844
Medium
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.
SeverityMedium
CVSS6.8
Exploit probability—
ProductIstio
PublishedOct 1, 2020
First seenOct 1, 2020
How to fix
Update
- istio.io/istio1.5.9, 1.6.8 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| istio istio | 1.5.0 ≤ v ≤ 1.5.8, 1.6.0 ≤ v ≤ 1.6.7 | — |
| istio.io/istioGo | 1.5.0 ≤ v < 1.5.9, 1.6.0 ≤ v < 1.6.8 | 1.5.9, 1.6.8 |
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