CRLF Injection Affecting io.undertow:undertow-core package, versions [,1.4.25.Final) [2.0.0.Final,2.0.5.Final)


Severity

Recommended
0.0
medium
0
10

CVSS assessment made by Snyk's Security Team

    Threat Intelligence

    EPSS
    0.21% (59th percentile)

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  • Snyk ID SNYK-JAVA-IOUNDERTOW-32300
  • published 22 May 2018
  • disclosed 21 May 2018
  • credit Unknown

How to fix?

Upgrade io.undertow:undertow-core to versions 1.4.25, 2.0.5 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 CRLF Injection due to insufficient sanitization and validation of user input before the input is used as part of an HTTP header value.

Note: this issue exists because of an incomplete fix for CVE-2016-4993

CVSS Scores

version 3.1
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Snyk

Recommended
6.1 medium
  • Attack Vector (AV)
    Network
  • Attack Complexity (AC)
    Low
  • Privileges Required (PR)
    None
  • User Interaction (UI)
    Required
  • Scope (S)
    Changed
  • Confidentiality (C)
    Low
  • Integrity (I)
    Low
  • Availability (A)
    None
Expand this section

NVD

6.1 medium