HTTP Request Smuggling Affecting hadoop-fips-3.3.6 package, versions <3.3.6-r0


Severity

Recommended
0.0
medium
0
10

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Threat Intelligence

EPSS
0.12% (29th percentile)

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  • Snyk IDSNYK-CHAINGUARDLATEST-HADOOPFIPS336-9511497
  • published24 Mar 2025
  • disclosed9 Dec 2021

Introduced: 9 Dec 2021

CVE-2021-43797  (opens in a new tab)
CWE-444  (opens in a new tab)

How to fix?

Upgrade Chainguard hadoop-fips-3.3.6 to version 3.3.6-r0 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream hadoop-fips-3.3.6 package and not the hadoop-fips-3.3.6 package as distributed by Chainguard. See How to fix? for Chainguard relevant fixed versions and status.

Netty is an asynchronous event-driven network application framework for rapid development of maintainable high performance protocol servers & clients. Netty prior to version 4.1.71.Final skips control chars when they are present at the beginning / end of the header name. It should instead fail fast as these are not allowed by the spec and could lead to HTTP request smuggling. Failing to do the validation might cause netty to "sanitize" header names before it forward these to another remote system when used as proxy. This remote system can't see the invalid usage anymore, and therefore does not do the validation itself. Users should upgrade to version 4.1.71.Final.

CVSS Base Scores

version 3.1