Improper Access Control Affecting servicemesh-galley package, versions <0:1.0.3-1.el8


Severity

Recommended
critical

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.69% (81st percentile)

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  • Snyk IDSNYK-RHEL8-SERVICEMESHGALLEY-4402152
  • published26 Mar 2023
  • disclosed10 Dec 2019

Introduced: 10 Dec 2019

CVE-2019-18802  (opens in a new tab)
CWE-284  (opens in a new tab)

How to fix?

Upgrade RHEL:8 servicemesh-galley to version 0:1.0.3-1.el8 or higher.
This issue was patched in RHSA-2019:4222.

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.

An issue was discovered in Envoy 1.12.0. An untrusted remote client may send an HTTP header (such as Host) with whitespace after the header content. Envoy will treat "header-value " as a different string from "header-value" so for example with the Host header "example.com " one could bypass "example.com" matchers.

CVSS Scores

version 3.1