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Liferay Portal Java Unmarshalling via JSONWS RCE

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Liferay Portal Java Unmarshalling via JSONWS RCE

Disclosed
11/25/2019
Created
04/15/2020

Description

This module exploits a Java unmarshalling vulnerability via JSONWS in Liferay Portal versions < 6.2.5 GA6, 7.0.6 GA7, 7.1.3 GA4, and 7.2.1 GA2 to execute code as the Liferay user. Tested against 7.2.0 GA1.

Author(s)

  • Markus Wulftange
  • Thomas Etrillard
  • wvu <wvu@metasploit.com>

Platform

Java

Architectures

java

Development

Module Options

To display the available options, load the module within the Metasploit console and run the commands 'show options' or 'show advanced':

msf > use exploit/multi/http/liferay_java_unmarshalling
msf exploit(liferay_java_unmarshalling) > show targets
    ...targets...
msf exploit(liferay_java_unmarshalling) > set TARGET < target-id >
msf exploit(liferay_java_unmarshalling) > show options
    ...show and set options...
msf exploit(liferay_java_unmarshalling) > exploit

Time is precious, so I don’t want to do something manually that I can automate. Leveraging the Metasploit Framework when automating any task keeps us from having to re-create the wheel as we can use the existing libraries and focus our efforts where it matters.

– Jim O’Gorman | President, Offensive Security

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