Improper Access Control Affecting servicemesh-galley package, versions <0:1.1.7-1.el8


Severity

Recommended
0.0
medium
0
10

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.08% (36th percentile)

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  • Snyk IDSNYK-RHEL8-SERVICEMESHGALLEY-4399438
  • published26 Mar 2023
  • disclosed11 Aug 2020

Introduced: 11 Aug 2020

CVE-2020-16844  (opens in a new tab)
CWE-284  (opens in a new tab)

How to fix?

Upgrade RHEL:8 servicemesh-galley to version 0:1.1.7-1.el8 or higher.
This issue was patched in RHSA-2020:3425.

NVD Description

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

In Istio 1.5.0 though 1.5.8 and Istio 1.6.0 through 1.6.7, when users specify an AuthorizationPolicy resource with DENY actions using wildcard suffixes (e.g. *-some-suffix) for source principals or namespace fields, callers will never be denied access, bypassing the intended policy.

CVSS Scores

version 3.1