Improper Access Control Affecting istio.io/istio/pilot/pkg/security/authz/model/matcher package, versions >=1.5.0 <1.5.9 >=1.6.0 <1.6.8
Threat Intelligence
EPSS
0.08% (36th
percentile)
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Test your applications- Snyk ID SNYK-GOLANG-ISTIOIOISTIOPILOTPKGSECURITYAUTHZMODELMATCHER-1040464
- published 2 Oct 2020
- disclosed 2 Oct 2020
- credit Unknown
Introduced: 2 Oct 2020
CVE-2020-16844 Open this link in a new tabHow to fix?
Upgrade istio.io/istio/pilot/pkg/security/authz/model/matcher
to version 1.5.9, 1.6.8 or higher.
Overview
istio.io/istio/pilot/pkg/security/authz/model/matcher is an open platform to connect, manage, and secure microservices.
Affected versions of this package are vulnerable to Improper Access Control. 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.
CVSS Scores
version 3.1