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


Severity

Recommended
0.0
medium
0
10

CVSS assessment made by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.11% (46th percentile)

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  • Snyk IDSNYK-GOLANG-GITHUBCOMHASHICORPCONSULAGENTXDS-1320030
  • published18 Jul 2021
  • disclosed18 Jul 2021
  • creditUnknown

Introduced: 18 Jul 2021

CVE-2021-36213  (opens in a new tab)
CWE-284  (opens 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.

CVSS Scores

version 3.1