Liferay Portal Remote Code Execution (direct check) - Nessus

Critical   Plugin ID: 146861

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This page contains detailed information about the Liferay Portal Remote Code Execution (direct check) Nessus plugin including available exploits and PoCs found on GitHub, in Metasploit or Exploit-DB for verifying of this vulnerability.

Plugin Overview

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ID: 146861
Name: Liferay Portal Remote Code Execution (direct check)
Filename: liferay_portal-cve-2020-7961.nbin
Vulnerability Published: 2020-03-20
This Plugin Published: 2021-02-25
Last Modification Time: 2022-05-03
Plugin Version: 1.16
Plugin Type: remote
Plugin Family: Web Servers
Dependencies: liferay_detect.nasl
Required KB Items [?]: installed_sw/liferay_portal

Vulnerability Information

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Severity: Critical
Vulnerability Published: 2020-03-20
Patch Published: 2019-09-25
CVE [?]: CVE-2020-7961
CPE [?]: cpe:/a:liferay:liferay_portal
Exploited by Malware: True

Synopsis

The web application running on the remote web server is affected by a remote code execution vulnerability.

Description

A remote code execution vulnerability exists in Liferay Portal prior to 7.2.1 CE GA2 due to Deserialization of Untrusted Data. An unauthenticated, remote attacker can exploit this to bypass authentication and execute arbitrary commands.

Solution

Refer to the vendor advisory.

Public Exploits

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Target Network Port(s): 8080
Target Asset(s): Services/www
Exploit Available: True (Metasploit Framework, Exploit-DB, GitHub)
Exploit Ease: Exploits are available

Here's the list of publicly known exploits and PoCs for verifying the Liferay Portal Remote Code Execution (direct check) vulnerability:

1. Metasploit: exploit/multi/http/liferay_java_unmarshalling
   [Liferay Portal Java Unmarshalling via JSONWS RCE]
2. Exploit-DB: exploits/java/remote/48332.msf
   [EDB-48332: Liferay Portal - Java Unmarshalling via JSONWS RCE (Metasploit)]
3. GitHub: https://codewhitesec.blogspot.com/2020/03/liferay-portal-json-vulns.html
   [CVE-2020-7961]
4. GitHub: https://github.com/Astrogeorgeonethree/Starred
   [CVE-2020-7961]
5. GitHub: https://github.com/Mathankumar2701/ALL-PENTESTING-BIBLE
   [CVE-2020-7961]
6. GitHub: https://github.com/SexyBeast233/SecBooks
   [CVE-2020-7961]
7. GitHub: https://github.com/Spacial/awesome-csirt
   [CVE-2020-7961]
8. GitHub: https://github.com/ThePirateWhoSmellsOfSunflowers/TheHackerLinks
   [CVE-2020-7961]
9. GitHub: https://github.com/codereveryday/Programming-Hacking-Resources
   [CVE-2020-7961]
10. GitHub: https://github.com/erSubhashThapa/pentest-bible
    [CVE-2020-7961]
11. GitHub: https://github.com/fofapro/vulfocus
    [CVE-2020-7961]
12. GitHub: https://github.com/gacontuyenchien1/Security
    [CVE-2020-7961]
13. GitHub: https://github.com/gobysec/Goby
    [CVE-2020-7961]
14. GitHub: https://github.com/iamrajivd/pentest
    [CVE-2020-7961]
15. GitHub: https://github.com/lovechinacoco/https-github.com-mai-lang-chai-Middleware-Vulnerability-detection
    [CVE-2020-7961]
16. GitHub: https://github.com/mathiznogoud/Liferay-Deserialize-POC
    [CVE-2020-7961]
17. GitHub: https://github.com/mishmashclone/qazbnm456-awesome-web-security
    [CVE-2020-7961]
18. GitHub: https://github.com/mzer0one/CVE-2020-7961-POC
    [CVE-2020-7961]
19. GitHub: https://github.com/papa-anniekey/CustomSignatures
    [CVE-2020-7961]
20. GitHub: https://github.com/qazbnm456/awesome-web-security
    [CVE-2020-7961]
21. GitHub: https://github.com/random-robbie/liferay-pwn
    [CVE-2020-7961]
22. GitHub: https://github.com/raystyle/paper
    [CVE-2020-7961]
23. GitHub: https://github.com/shacojx/LifeRCEJsonWSTool-POC-CVE-2020-7961-Gui
    [CVE-2020-7961]
24. GitHub: https://github.com/tdtc7/qps
    [CVE-2020-7961]
25. GitHub: https://github.com/wcxxxxx/CVE-2020-7961
    [CVE-2020-7961]
26. GitHub: https://github.com/yamori/pm2_logs
    [CVE-2020-7961]
27. GitHub: https://github.com/shacojx/GLiferay-CVE-2020-7961-golang
    [CVE-2020-7961: Detect vulns liferay CVE-2020-7961 by Nattroc (EOG Team)]
28. GitHub: https://github.com/shacojx/POC-CVE-2020-7961-Token-iterate
    [CVE-2020-7961: POC-CVE-2020-7961-Token-iterate]
29. GitHub: https://github.com/ShutdownRepo/CVE-2020-7961
    [CVE-2020-7961: Exploit script for CVE-2020-7961]
30. GitHub: https://github.com/thelostworldFree/CVE-2020-7961-payloads
    [CVE-2020-7961: Deserialization of Untrusted Data in Liferay Portal prior to 7.2.1 CE GA2 allows ...]
31. GitHub: https://github.com/Udyz/CVE-2020-7961-Mass
    [CVE-2020-7961: CVE-2020–7961 Mass exploit for Script Kiddies]

Before running any exploit against any system, make sure you are authorized by the owner of the target system(s) to perform such activity. In any other case, this would be considered as an illegal activity.

WARNING: Beware of using unverified exploits from sources such as GitHub or Exploit-DB. These exploits and PoCs could contain malware. For more information, see how to use exploits safely.

Risk Information

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CVSS Score Source [?]: CVE-2020-7961
CVSS V2 Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P/E:H/RL:OF/RC:C

CVSS Base Score:	7.5 (High)
Impact Subscore:	6.4
Exploitability Subscore:	10.0
CVSS Temporal Score:	6.5 (Medium)
CVSS Environmental Score:	NA (None)
Modified Impact Subscore:	NA
Overall CVSS Score:	6.5 (Medium)

CVSS V3 Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:H/RL:O/RC:C

CVSS Base Score:	9.8 (Critical)
Impact Subscore:	5.9
Exploitability Subscore:	3.9
CVSS Temporal Score:	9.4 (Critical)
CVSS Environmental Score:	NA (None)
Modified Impact Subscore:	NA
Overall CVSS Score:	9.4 (Critical)

STIG Severity [?]: I
STIG Risk Rating: High

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Plugin Source

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The liferay_portal-cve-2020-7961.nbin Nessus plugin is distributed in a propriatory binary format and its source code is protected. This script is Copyright (C) 2021-2022 and is owned by Tenable, Inc. or an Affiliate thereof.

The latest version of this script can be found in these locations depending on your platform:

• Linux / Unix:
  /opt/nessus/lib/nessus/plugins/liferay_portal-cve-2020-7961.nbin
• Windows:
  C:\ProgramData\Tenable\Nessus\nessus\plugins\liferay_portal-cve-2020-7961.nbin
• Mac OS X:
  /Library/Nessus/run/lib/nessus/plugins/liferay_portal-cve-2020-7961.nbin

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How to Run

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Here is how to run the Liferay Portal Remote Code Execution (direct check) as a standalone plugin via the Nessus web user interface (https://localhost:8834/):

1. Click to start a New Scan.
2. Select Advanced Scan.
3. Navigate to the Plugins tab.
4. On the top right corner click to Disable All plugins.
5. On the left side table select Web Servers plugin family.
6. On the right side table select Liferay Portal Remote Code Execution (direct check) plugin ID 146861.
7. Specify the target on the Settings tab and click to Save the scan.
8. Run the scan.

Here are a few examples of how to run the plugin in the command line. Note that the examples below demonstrate the usage on the Linux / Unix platform.

Basic usage:

/opt/nessus/bin/nasl liferay_portal-cve-2020-7961.nbin -t <IP/HOST>

Run the plugin with audit trail message on the console:

/opt/nessus/bin/nasl -a liferay_portal-cve-2020-7961.nbin -t <IP/HOST>

Run the plugin with trace script execution written to the console (useful for debugging):

/opt/nessus/bin/nasl -T - liferay_portal-cve-2020-7961.nbin -t <IP/HOST>

Run the plugin with using a state file for the target and updating it (useful for running multiple plugins on the target):

/opt/nessus/bin/nasl -K /tmp/state liferay_portal-cve-2020-7961.nbin -t <IP/HOST>

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References

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IAVA | Information Assurance Vulnerability Alert:

• 2021-A-0296

See also:

• https://www.tenable.com/plugins/nessus/146861
• http://www.nessus.org/u?e5493d5e
• https://vulners.com/nessus/LIFERAY_PORTAL-CVE-2020-7961.NBIN

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Version

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This page has been produced using Nessus Professional 10.1.2 (#68) LINUX, Plugin set 202205072148.
Plugin file liferay_portal-cve-2020-7961.nbin version 1.16. For more plugins, visit the Nessus Plugin Library.

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