Drupal 8.5.x < 8.5.11 / 8.6.x < 8.6.10 Remote Code Execution (SA-CORE-2019-003) - Nessus

High Plugin ID: 122349

This page contains detailed information about the Drupal 8.5.x < 8.5.11 / 8.6.x < 8.6.10 Remote Code Execution (SA-CORE-2019-003) Nessus plugin including available exploits and PoCs found on GitHub, in Metasploit or Exploit-DB for verifying of this vulnerability.

Table Of Contents

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Plugin Overview
Vulnerability Information

Synopsis
Description
Solution

Public Exploits
Risk Information
Plugin Source
How to Run
References
Version

Plugin Overview

ID: 122349
Name: Drupal 8.5.x < 8.5.11 / 8.6.x < 8.6.10 Remote Code Execution (SA-CORE-2019-003)
Filename: drupal_8_6_10.nasl
Vulnerability Published: 2019-02-20
This Plugin Published: 2019-02-20
Last Modification Time: 2022-04-11
Plugin Version: 1.11
Plugin Type: remote
Plugin Family: CGI abuses
Dependencies: drupal_detect.nasl
Required KB Items [?]: installed_sw/Drupal, Settings/ParanoidReport

Vulnerability Information

Severity: High
Vulnerability Published: 2019-02-20
Patch Published: 2019-02-20
CVE [?]: CVE-2019-6340
CPE [?]: cpe:/a:drupal:drupal

Synopsis

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

Description

According to its self-reported version, the instance of Drupal running on the remote web server is 8.5.x prior to 8.5.11, or 8.6.x prior to 8.6.10. It is, therefore, affected by a remote code execution vulnerability due to improper sanitization of data from non-form sources.

Solution

Upgrade to Drupal version 8.5.11 / 8.6.10 or later.

Public Exploits

Target Network Port(s): 80, 443
Target Asset(s): Services/www
Exploit Available: True (Metasploit Framework, Exploit-DB, GitHub, Immunity Canvas, Core Impact)
Exploit Ease: Exploits are available

Here's the list of publicly known exploits and PoCs for verifying the Drupal 8.5.x < 8.5.11 / 8.6.x < 8.6.10 Remote Code Execution (SA-CORE-2019-003) vulnerability:

Metasploit: exploit/unix/webapp/drupal_restws_unserialize
[Drupal RESTful Web Services unserialize() RCE]
Exploit-DB: exploits/php/remote/46510.rb
[EDB-46510: Drupal < 8.5.11 / < 8.6.10 - RESTful Web Services unserialize() Remote Command Execution (Metasploit)]
Exploit-DB: exploits/php/webapps/46459.py
[EDB-46459: Drupal < 8.6.9 - REST Module Remote Code Execution]
GitHub: https://github.com/Aprillia01/auto-Exploiter
[CVE-2019-6340]
GitHub: https://github.com/DynamicDesignz/Alien-Framework
[CVE-2019-6340]
GitHub: https://github.com/Haruster/Apasys-CVE-2019-6340
[CVE-2019-6340: Drupal RCE CVE Python Exploit]
GitHub: https://github.com/Kinesys/Kinesys-CVE-2019-6340
[CVE-2019-6340: Drupal RCE CVE Python Exploit]
GitHub: https://github.com/PleXone2019/ICG-AutoExploiterBoT
[CVE-2019-6340]
GitHub: https://github.com/SexyBeast233/SecBooks
[CVE-2019-6340]
GitHub: https://github.com/amcai/myscan
[CVE-2019-6340]
GitHub: https://github.com/antonio-fr/DrupalRS
[CVE-2019-6340]
GitHub: https://github.com/anuslok2/IC
[CVE-2019-6340]
GitHub: https://github.com/borahan951/priv8.mechploit
[CVE-2019-6340]
GitHub: https://github.com/honeybot/wtf-plugin-honeybot-cve_2019_6340
[CVE-2019-6340]
GitHub: https://github.com/koala2099/GitHub-Chinese-Top-Charts
[CVE-2019-6340]
GitHub: https://github.com/koutto/jok3r-pocs
[CVE-2019-6340]
GitHub: https://github.com/lp008/Hack-readme
[CVE-2019-6340]
GitHub: https://github.com/neilzhang1/Chinese-Charts
[CVE-2019-6340]
GitHub: https://github.com/nobodyatall648/CVE-2019-6340
[CVE-2019-6340: Drupal Drupal 8.6.x RCE Exploit]
GitHub: https://github.com/opflep/Drupalgeddon-Toolkit
[CVE-2019-6340]
GitHub: https://github.com/pinkieli/GitHub-Chinese-Top-Charts
[CVE-2019-6340]
GitHub: https://github.com/qingyuanfeiniao/Chinese-Top-Charts
[CVE-2019-6340]
GitHub: https://github.com/tolgadevsec/Awesome-Deception
[CVE-2019-6340]
GitHub: https://github.com/zeralot/Dectect-CVE
[CVE-2019-6340]
GitHub: https://github.com/d1vious/cve-2019-6340-bits
[CVE-2019-6340: Bits generated while analyzing CVE-2019-6340 Drupal RESTful RCE]
GitHub: https://github.com/DevDungeon/CVE-2019-6340-Drupal-8.6.9-REST-Auth-Bypass
[CVE-2019-6340: CVE-2019-6340 Drupal 8.6.9 REST Auth Bypass examples]
GitHub: https://github.com/g0rx/Drupal-SA-CORE-2019-003
[CVE-2019-6340: CVE-2019-6340-Drupal SA-CORE-2019-003]
GitHub: https://github.com/jas502n/CVE-2019-6340
[CVE-2019-6340: Drupal8's REST RCE, SA-CORE-2019-003, CVE-2019-6340]
GitHub: https://github.com/knqyf263/CVE-2019-6340
[CVE-2019-6340: Environment for CVE-2019-6340 (Drupal)]
GitHub: https://github.com/ludy-dev/drupal8-REST-RCE
[CVE-2019-6340: (CVE-2019-6340, CVE-2018-7600) drupal8-REST-RCE]
GitHub: https://github.com/oways/CVE-2019-6340
[CVE-2019-6340: CVE-2019-6340 POC Drupal rce]
GitHub: https://github.com/zhzyker/exphub
[CVE-2019-6340: Exphub[漏洞利用脚本库] ...]
GitHub: https://github.com/cved-sources/cve-2019-6340
[CVE-2019-6340: Cve-2019-6340]
Immunity Canvas: CANVAS

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

CVSS Score Source [?]: CVE-2019-6340
CVSS V2 Vector: AV:N/AC:M/Au:N/C:P/I:P/A:P/E:H/RL:OF/RC:C

CVSS Base Score:	6.8 (Medium)
Impact Subscore:	6.4
Exploitability Subscore:	8.6
CVSS Temporal Score:	5.9 (Medium)
CVSS Environmental Score:	NA (None)
Modified Impact Subscore:	NA
Overall CVSS Score:	5.9 (Medium)

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

CVSS Base Score:	8.1 (High)
Impact Subscore:	5.9
Exploitability Subscore:	2.2
CVSS Temporal Score:	7.7 (High)
CVSS Environmental Score:	NA (None)
Modified Impact Subscore:	NA
Overall CVSS Score:	7.7 (High)

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Plugin Source

#%NASL_MIN_LEVEL 70300
#
# (C) Tenable Network Security, Inc.
#

include('deprecated_nasl_level.inc');
include('compat.inc');

if (description)
{
  script_id(122349);
  script_version("1.11");
  script_set_attribute(attribute:"plugin_modification_date", value:"2022/04/11");

  script_cve_id("CVE-2019-6340");
  script_xref(name:"CISA-KNOWN-EXPLOITED", value:"2022/04/15");

  script_name(english:"Drupal 8.5.x < 8.5.11 / 8.6.x < 8.6.10 Remote Code Execution (SA-CORE-2019-003)");

  script_set_attribute(attribute:"synopsis", value:
"A PHP application running on the remote web server is affected by
a remote code execution vulnerability.");
  script_set_attribute(attribute:"description", value:
"According to its self-reported version, the instance of Drupal
running on the remote web server is 8.5.x prior to 8.5.11, or 8.6.x
prior to 8.6.10. It is, therefore, affected by a remote code
execution vulnerability due to improper sanitization of data from
non-form sources.");
  script_set_attribute(attribute:"see_also", value:"https://www.drupal.org/sa-core-2019-003");
  script_set_attribute(attribute:"see_also", value:"https://www.drupal.org/project/drupal/releases/8.5.11");
  script_set_attribute(attribute:"see_also", value:"https://www.drupal.org/project/drupal/releases/8.6.10");
  script_set_attribute(attribute:"solution", value:
"Upgrade to Drupal version 8.5.11 / 8.6.10 or later.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:M/Au:N/C:P/I:P/A:P");
  script_set_cvss_temporal_vector("CVSS2#E:H/RL:OF/RC:C");
  script_set_cvss3_base_vector("CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H");
  script_set_cvss3_temporal_vector("CVSS:3.0/E:H/RL:O/RC:C");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2019-6340");

  script_set_attribute(attribute:"exploitability_ease", value:"Exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"true");
  script_set_attribute(attribute:"exploit_framework_core", value:"true");
  script_set_attribute(attribute:"metasploit_name", value:'Drupal RESTful Web Services unserialize() RCE');
  script_set_attribute(attribute:"exploit_framework_metasploit", value:"true");
  script_set_attribute(attribute:"exploit_framework_canvas", value:"true");
  script_set_attribute(attribute:"canvas_package", value:"CANVAS");

  script_set_attribute(attribute:"vuln_publication_date", value:"2019/02/20");
  script_set_attribute(attribute:"patch_publication_date", value:"2019/02/20");
  script_set_attribute(attribute:"plugin_publication_date", value:"2019/02/20");

  script_set_attribute(attribute:"potential_vulnerability", value:"true");
  script_set_attribute(attribute:"plugin_type", value:"remote");
  script_set_attribute(attribute:"cpe", value:"cpe:/a:drupal:drupal");
  script_set_attribute(attribute:"thorough_tests", value:"true");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_family(english:"CGI abuses");

  script_copyright(english:"This script is Copyright (C) 2019-2022 and is owned by Tenable, Inc. or an Affiliate thereof.");

  script_dependencies("drupal_detect.nasl");
  script_require_keys("installed_sw/Drupal", "Settings/ParanoidReport");
  script_require_ports("Services/www", 80, 443);

  exit(0);
}

include("vcf.inc");
include("http.inc");

if (report_paranoia < 2) audit(AUDIT_PARANOID);

port = get_http_port(default:80, php:TRUE);

app_info = vcf::get_app_info(app:"Drupal", port:port, webapp:true);

vcf::check_granularity(app_info:app_info, sig_segments:2);

constraints = [
  { "min_version" : "8.5", "fixed_version" : "8.5.11" },
  { "min_version" : "8.6", "fixed_version" : "8.6.10" }
];

vcf::check_version_and_report(app_info:app_info, constraints:constraints, severity:SECURITY_WARNING);

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

Linux / Unix:
/opt/nessus/lib/nessus/plugins/drupal_8_6_10.nasl
Windows:
C:\ProgramData\Tenable\Nessus\nessus\plugins\drupal_8_6_10.nasl
Mac OS X:
/Library/Nessus/run/lib/nessus/plugins/drupal_8_6_10.nasl

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How to Run

Here is how to run the Drupal 8.5.x < 8.5.11 / 8.6.x < 8.6.10 Remote Code Execution (SA-CORE-2019-003) as a standalone plugin via the Nessus web user interface (https://localhost:8834/):

Click to start a New Scan.
Select Advanced Scan.
Navigate to the Plugins tab.
On the top right corner click to Disable All plugins.
On the left side table select CGI abuses plugin family.
On the right side table select Drupal 8.5.x < 8.5.11 / 8.6.x < 8.6.10 Remote Code Execution (SA-CORE-2019-003) plugin ID 122349.
Specify the target on the Settings tab and click to Save the scan.
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 drupal_8_6_10.nasl -t <IP/HOST>

Run the plugin with audit trail message on the console:

/opt/nessus/bin/nasl -a drupal_8_6_10.nasl -t <IP/HOST>

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

/opt/nessus/bin/nasl -T - drupal_8_6_10.nasl -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 drupal_8_6_10.nasl -t <IP/HOST>

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References

See also:

Similar and related Nessus plugins:

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Version

This page has been produced using Nessus Professional 10.1.2 (#68) LINUX, Plugin set 202205072148.
Plugin file drupal_8_6_10.nasl version 1.11. For more plugins, visit the Nessus Plugin Library.

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Drupal 8.5.x < 8.5.11 / 8.6.x < 8.6.10 Remote Code Execution (SA-CORE-2019-003) - Nessus

Plugin Overview

Vulnerability Information

Synopsis

Description

Solution

Public Exploits

Risk Information

Plugin Source

How to Run

References

Version

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