Improper Input Validation Affecting cri-o package, versions <0:1.20.4-7.rhaos4.7.git6287500.el8


Severity

Recommended
medium

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.14% (51st percentile)

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  • Snyk IDSNYK-RHEL8-CRIO-4405218
  • published11 Aug 2021
  • disclosed21 May 2021

Introduced: 21 May 2021

CVE-2021-33197  (opens in a new tab)
CWE-20  (opens in a new tab)

How to fix?

Upgrade RHEL:8 cri-o to version 0:1.20.4-7.rhaos4.7.git6287500.el8 or higher.
This issue was patched in RHBA-2021:2979.

NVD Description

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

In Go before 1.15.13 and 1.16.x before 1.16.5, some configurations of ReverseProxy (from net/http/httputil) result in a situation where an attacker is able to drop arbitrary headers.

CVSS Scores

version 3.1