Cross-site Scripting (XSS) Affecting conmon package, versions <2:2.0.17-1.rhaos4.3.el7


Severity

Recommended
high

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.05% (24th percentile)

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  • Snyk IDSNYK-RHEL7-CONMON-3375583
  • published26 Mar 2023
  • disclosed25 Mar 2020

Introduced: 25 Mar 2020

CVE-2020-2161  (opens in a new tab)
CWE-79  (opens in a new tab)

How to fix?

Upgrade RHEL:7 conmon to version 2:2.0.17-1.rhaos4.3.el7 or higher.
This issue was patched in RHBA-2020:2435.

NVD Description

Note: Versions mentioned in the description apply only to the upstream conmon package and not the conmon package as distributed by RHEL. See How to fix? for RHEL:7 relevant fixed versions and status.

Jenkins 2.227 and earlier, LTS 2.204.5 and earlier does not properly escape node labels that are shown in the form validation for label expressions on job configuration pages, resulting in a stored XSS vulnerability exploitable by users able to define node labels.

CVSS Scores

version 3.1