Information Exposure Affecting io.undertow:undertow-core package, versions [,1.4.27.Final)[2.0.0.Final,2.0.15.Final)


Severity

Recommended
0.0
medium
0
10

CVSS assessment made by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.32% (72nd percentile)

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  • Snyk IDSNYK-JAVA-IOUNDERTOW-174583
  • published6 May 2019
  • disclosed18 Sept 2018
  • creditPedro Sampaio

Introduced: 18 Sep 2018

CVE-2018-14642  (opens in a new tab)
CWE-200  (opens in a new tab)

How to fix?

Upgrade io.undertow:undertow-core to version 1.4.27.Final, 2.0.15.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 Information Exposure. If all headers were not written out in the first write() call then the code that handles flushing the buffer would always write out the full contents of the writevBuffer buffer, which might contain data from previous requests.

CVSS Scores

version 3.1