Incorrect Authorization Affecting servicemesh-pilot-discovery package, versions <0:2.0.5-3.el8


Severity

Recommended
high

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
1.45% (70th percentile)

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  • Snyk IDSNYK-RHEL8-SERVICEMESHPILOTDISCOVERY-4401844
  • published26 Mar 2023
  • disclosed11 May 2021

Introduced: 11 May 2021

CVE-2021-31921  (opens in a new tab)
CWE-863  (opens in a new tab)

How to fix?

Upgrade RHEL:8 servicemesh-pilot-discovery to version 0:2.0.5-3.el8 or higher.
This issue was patched in RHSA-2021:2061.

NVD Description

Note: Versions mentioned in the description apply only to the upstream servicemesh-pilot-discovery package and not the servicemesh-pilot-discovery package as distributed by RHEL. See How to fix? for RHEL:8 relevant fixed versions and status.

Istio before 1.8.6 and 1.9.x before 1.9.5 contains a remotely exploitable vulnerability where an external client can access unexpected services in the cluster, bypassing authorization checks, when a gateway is configured with AUTO_PASSTHROUGH routing configuration.

CVSS Base Scores

version 3.1