Improper Input Validation Affecting cri-o package, versions <0:1.21.2-8.rhaos4.8.git8d4264e.el8


Severity

Recommended
medium

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.73% (81st percentile)

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  • Snyk IDSNYK-RHEL8-CRIO-4401058
  • published11 Aug 2021
  • disclosed18 May 2021

Introduced: 18 May 2021

CVE-2021-33195  (opens in a new tab)
CWE-20  (opens in a new tab)

How to fix?

Upgrade RHEL:8 cri-o to version 0:1.21.2-8.rhaos4.8.git8d4264e.el8 or higher.
This issue was patched in RHSA-2021:2984.

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.

Go before 1.15.13 and 1.16.x before 1.16.5 has functions for DNS lookups that do not validate replies from DNS servers, and thus a return value may contain an unsafe injection (e.g., XSS) that does not conform to the RFC1035 format.

CVSS Scores

version 3.1