Cross-site Scripting (XSS) Affecting ecs-init package, versions <0:1.79.1-1.amzn2023


Severity

Recommended
0.0
medium
0
10

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
0.09% (40th percentile)

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  • Snyk IDSNYK-AMZN2023-ECSINIT-6147199
  • published9 Jan 2024
  • disclosed2 Aug 2023

Introduced: 2 Aug 2023

CVE-2023-3978  (opens in a new tab)
CWE-79  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2023 ecs-init to version 0:1.79.1-1.amzn2023 or higher.
This issue was patched in ALAS2023-2024-476.

NVD Description

Note: Versions mentioned in the description apply only to the upstream ecs-init package and not the ecs-init package as distributed by Amazon-Linux. See How to fix? for Amazon-Linux:2023 relevant fixed versions and status.

Text nodes not in the HTML namespace are incorrectly literally rendered, causing text which should be escaped to not be. This could lead to an XSS attack.

CVSS Scores

version 3.1