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Arbitrary File Upload Affecting io.undertow:undertow-core package, versions [,2.0.30)

0.0
high

Snyk CVSS

    Attack Complexity Low
    User Interaction Required
    Confidentiality High
    Integrity High

    Threat Intelligence

    Exploit Maturity Mature
    EPSS 1.01% (84th percentile)
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NVD
9.8 critical
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Red Hat
7.6 high

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  • Snyk ID SNYK-JAVA-IOUNDERTOW-567770
  • published 28 Apr 2020
  • disclosed 28 Apr 2020
  • credit Unknown
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Introduced: 28 Apr 2020

CVE-2020-1745 Open this link in a new tab
CWE-285 Open this link in a new tab

How to fix?

Upgrade io.undertow:undertow-core to version 2.0.30 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 Arbitrary File Upload. A file inclusion vulnerability was found in the AJP connector enabled with a default AJP configuration port of 8009. A remote, unauthenticated attacker could exploit this vulnerability to read web application files from a vulnerable server. In instances where the vulnerable server allows file uploads, an attacker could upload malicious JavaServer Pages (JSP) code within a variety of file types and trigger this vulnerability to gain remote code execution.