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Authorization Bypass Affecting istio.io/istio/pilot/pkg/networking/core/v1alpha3 Open this link in a new tab package, versions >=1.9.0 <1.9.5 <1.8.6

0.0
high

  • Attack Complexity

    Low

  • Confidentiality

    High

  • Integrity

    High

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  • snyk-id

    SNYK-GOLANG-ISTIOIOISTIOPILOTPKGNETWORKINGCOREV1ALPHA3-1299109

  • published

    3 Jun 2021

  • disclosed

    3 Jun 2021

  • credit

    @Ruilin,@Test123

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Introduced: 3 Jun 2021

CVE-2021-31920 Open this link in a new tab
CWE-285 Open this link in a new tab

How to fix?

Upgrade istio.io/istio/pilot/pkg/networking/core/v1alpha3 to version 1.9.5, 1.8.6 or higher.

Overview

Affected versions of this package are vulnerable to Authorization Bypass. An HTTP request path with multiple slashes or escaped slash characters (e.g. %2F or %5C) could potentially bypass an Istio authorization policy when path-based authorization rules are used.