HTTP Request Smuggling Affecting io.undertow:undertow-core package, versions [2.1.0.Final, 2.1.6.Final) [, 2.0.34.Final)


0.0
high

Snyk CVSS

    Attack Complexity Low
    Confidentiality High

    Threat Intelligence

    EPSS 0.11% (42nd percentile)
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NVD
4.8 medium
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Red Hat
4.8 medium

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  • Snyk ID SNYK-JAVA-IOUNDERTOW-1012559
  • published 24 Sep 2020
  • disclosed 24 Sep 2020
  • credit Unknown

How to fix?

Upgrade io.undertow:undertow-core to version 2.1.6.Final, 2.0.34.Final or higher.

Overview

io.undertow:undertow-core is a Java web server based on non-blocking IO.

Affected versions of this package are vulnerable to HTTP Request Smuggling. HTTP request smuggling related to CVE-2017-2666 is possible against HTTP/1.x and HTTP/2 due to permitting invalid characters in an HTTP request. This flaw allows an attacker to poison a web-cache, perform an XSS attack, or obtain sensitive information from request other than their own.

References