Improper Input Validation Affecting servicemesh-grafana package, versions *


Severity

Recommended
medium

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
1.19% (85th percentile)

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  • Snyk IDSNYK-RHEL8-SERVICEMESHGRAFANA-4396928
  • published26 Mar 2023
  • disclosed4 Nov 2019

Introduced: 4 Nov 2019

CVE-2019-20920  (opens in a new tab)
CWE-20  (opens in a new tab)

How to fix?

There is no fixed version for RHEL:8 servicemesh-grafana.

NVD Description

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

Handlebars before 3.0.8 and 4.x before 4.5.3 is vulnerable to Arbitrary Code Execution. The lookup helper fails to properly validate templates, allowing attackers to submit templates that execute arbitrary JavaScript. This can be used to run arbitrary code on a server processing Handlebars templates or in a victim's browser (effectively serving as XSS).

CVSS Scores

version 3.1