Incorrect Access Control Affecting istio.io/istio/pilot/pkg/networking/plugin/mixer package, versions >=1.1.0 <1.1.7


Severity

Recommended
0.0
critical
0
10

CVSS assessment by Snyk's Security Team. Learn more

Threat Intelligence

Exploit Maturity
Proof of Concept
EPSS
1.18% (67th percentile)

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  • Snyk IDSNYK-GOLANG-ISTIOIOISTIOPILOTPKGNETWORKINGPLUGINMIXER-1040846
  • published6 Jun 2019
  • disclosed17 May 2019
  • creditHaim Helman

Introduced: 17 May 2019

CVE-2019-12243  (opens in a new tab)
CWE-284  (opens in a new tab)

How to fix?

Upgrade istio.io/istio/pilot/pkg/networking/plugin/mixer to version 1.1.7 or higher.

Overview

istio.io/istio/pilot/pkg/networking/plugin/mixer is an open platform to connect, manage, and secure microservices.

Affected versions of this package are vulnerable to Incorrect Access Control. One will be vulnerable if the following conditions are all true:

  1. NOT using HTTP, HTTP/2, or gRPC protocols.

  2. A mixer adapter (e.g., Deny Checker, List Checker) is used to provide authorization for your backend TCP service.

  3. disablePolicyChecks is set to false. To check that use the following command: kubectl -n istio-system get cm istio -o jsonpath="{@.data.mesh}" | grep disablePolicyChecks

CVSS Base Scores

version 3.1