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Insufficient Hostname Verification Affecting org.eclipse.paho:org.eclipse.paho.client.mqttv3 package, versions [,1.2.1)

0.0
medium

Snyk CVSS

    Attack Complexity Low

    Threat Intelligence

    EPSS 0.16% (53rd percentile)
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NVD
7.5 high

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  • Snyk ID SNYK-JAVA-ORGECLIPSEPAHO-466669
  • published 11 Sep 2019
  • disclosed 11 Sep 2019
  • credit minii-dev
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Introduced: 11 Sep 2019

CVE-2019-11777 Open this link in a new tab
CWE-20 Open this link in a new tab

How to fix?

Upgrade org.eclipse.paho:org.eclipse.paho.client.mqttv3 to version 1.2.1 or higher.

Overview

org.eclipse.paho:org.eclipse.paho.client.mqttv3 is an an MQTT client library written in Java for developing applications that run on the JVM or other Java compatible platforms such as Android.

Affected versions of this package are vulnerable to Insufficient Hostname Verification. When connecting to an MQTT server using TLS, the package was found to not check the results of setting a host name verifier. This could allow one MQTT server to impersonate another and provide the client library with incorrect information.