HTTP Request Smuggling Affecting eap7-wildfly-modules package, versions <0:7.4.1-2.GA_redhat_00003.1.el8eap


Severity

Recommended
high

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
1.78% (88th percentile)

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  • Snyk IDSNYK-RHEL8-EAP7WILDFLYMODULES-5315819
  • published26 Mar 2023
  • disclosed30 Mar 2021

Introduced: 30 Mar 2021

CVE-2021-21409  (opens in a new tab)
CWE-444  (opens in a new tab)

How to fix?

Upgrade RHEL:8 eap7-wildfly-modules to version 0:7.4.1-2.GA_redhat_00003.1.el8eap or higher.
This issue was patched in RHSA-2021:3658.

NVD Description

Note: Versions mentioned in the description apply only to the upstream eap7-wildfly-modules package and not the eap7-wildfly-modules package as distributed by RHEL. See How to fix? for RHEL:8 relevant fixed versions and status.

Netty is an open-source, asynchronous event-driven network application framework for rapid development of maintainable high performance protocol servers & clients. In Netty (io.netty:netty-codec-http2) before version 4.1.61.Final there is a vulnerability that enables request smuggling. The content-length header is not correctly validated if the request only uses a single Http2HeaderFrame with the endStream set to to true. This could lead to request smuggling if the request is proxied to a remote peer and translated to HTTP/1.1. This is a followup of GHSA-wm47-8v5p-wjpj/CVE-2021-21295 which did miss to fix this one case. This was fixed as part of 4.1.61.Final.

References

CVSS Scores

version 3.1