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Access Restriction Bypass Affecting github.com/hashicorp/consul/agent/xds package, versions >=1.10.0-alpha <1.10.1 <1.9.8

0.0
medium

  • Attack Complexity

    Low

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  • snyk-id

    SNYK-GOLANG-GITHUBCOMHASHICORPCONSULAGENTXDS-1320030

  • published

    18 Jul 2021

  • disclosed

    18 Jul 2021

  • credit

    Unknown

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Introduced: 18 Jul 2021

CVE-2021-36213 Open this link in a new tab
CWE-284 Open this link in a new tab

How to fix?

Upgrade github.com/hashicorp/consul/agent/xds to version 1.10.1, 1.9.8 or higher.

Overview

github.com/hashicorp/consul/agent/xds is a provides an implementation of a gRPC service that exports Envoy's xDS API for config discovery. Specifically we support the Aggregated Discovery Service (ADS) only as we control all config.

Affected versions of this package are vulnerable to Access Restriction Bypass. xds could generate a situation where a single L7 deny intention (with a default deny policy) results in an allow action.