HTTP Request Smuggling Affecting io.undertow:undertow-core package, versions [,2.1.1.Final)


Severity

Recommended
0.0
high
0
10

CVSS assessment made by Snyk's Security Team

    Threat Intelligence

    EPSS
    0.09% (39th percentile)

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  • Snyk ID SNYK-JAVA-IOUNDERTOW-570455
  • published 27 May 2020
  • disclosed 27 May 2020
  • credit Unknown

How to fix?

Upgrade io.undertow:undertow-core to version 2.1.1.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. A flaw was found in Undertow regarding the processing of invalid HTTP requests with large chunk sizes. This flaw allows an attacker to take advantage of HTTP request smuggling.

CVSS Scores

version 3.1
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Snyk

7.6 high
  • Attack Vector (AV)
    Network
  • Attack Complexity (AC)
    Low
  • Privileges Required (PR)
    Low
  • User Interaction (UI)
    None
  • Scope (S)
    Unchanged
  • Confidentiality (C)
    High
  • Integrity (I)
    Low
  • Availability (A)
    Low
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NVD

6.5 medium
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Red Hat

6.5 medium