Malwarebytes Anti-Exploit < 1.04.1.1012 RCE - Nessus

High   Plugin ID: 83957

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This page contains detailed information about the Malwarebytes Anti-Exploit < 1.04.1.1012 RCE 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: 83957
Name: Malwarebytes Anti-Exploit < 1.04.1.1012 RCE
Filename: malwarebytes_anti_exploit_1_04_1_1012.nasl
Vulnerability Published: 2014-12-11
This Plugin Published: 2015-06-03
Last Modification Time: 2019-11-22
Plugin Version: 1.6
Plugin Type: local
Plugin Family: Windows
Dependencies: malwarebytes_anti_exploit_installed.nbin
Required KB Items [?]: installed_sw/Malwarebytes Anti-Exploit

Vulnerability Information

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Severity: High
Vulnerability Published: 2014-12-11
Patch Published: 2014-09-04
CVE [?]: CVE-2014-4936
CPE [?]: cpe:/a:malwarebytes:malwarebytes_anti-exploit

Synopsis

The remote host has an anti-exploitation application installed that is affected by a remote code execution vulnerability.

Description

The Malwarebytes Anti-Exploit installed on the remote Windows host is a version prior to 1.04.1.1012. It is, therefore, affected by a vulnerability that allows a man-in-the-middle attacker to spoof the update server in order to upload and execute arbitrary code on the remote host.

Solution

Upgrade to Malwarebytes Anti-Exploit 1.04.1.1012 or later.

Public Exploits

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Target Network Port(s): N/A
Target Asset(s): N/A
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 Malwarebytes Anti-Exploit < 1.04.1.1012 RCE vulnerability:

1. Metasploit: exploit/windows/browser/malwarebytes_update_exec
   [Malwarebytes Anti-Malware and Anti-Exploit Update Remote Code Execution]
2. Exploit-DB: exploits/windows/local/41701.rb
   [EDB-41701: Malwarebytes Anti-Malware < 2.0.3 / Anti-Exploit < 1.03.1.1220 - Update Code Execution (Metasploit)]
3. GitHub: https://github.com/0x3a/CVE-2014-4936
   [CVE-2014-4936: Repository for CVE-2014-4936 POC code.]

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 V2 Vector [?]: AV:N/AC:M/Au:N/C:C/I:C/A:C/E:F/RL:OF/RC:C

CVSS Base Score:	9.3 (High)
Impact Subscore:	10.0
Exploitability Subscore:	8.6
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

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This is the malwarebytes_anti_exploit_1_04_1_1012.nasl nessus plugin source code. This script is Copyright (C) 2015-2019 and is owned by Tenable, Inc. or an Affiliate thereof.

#
# (C) Tenable Network Security, Inc.
#

include("compat.inc");

if (description)
{
  script_id(83957);
  script_version("1.6");
  script_cvs_date("Date: 2019/11/22");

  script_cve_id("CVE-2014-4936");

  script_name(english:"Malwarebytes Anti-Exploit < 1.04.1.1012 RCE");
  script_summary(english:"Checks the Malwarebytes Anti-Exploit version.");

  script_set_attribute(attribute:"synopsis", value:
"The remote host has an anti-exploitation application installed that is
affected by a remote code execution vulnerability.");
  script_set_attribute(attribute:"description", value:
"The Malwarebytes Anti-Exploit installed on the remote Windows host is
a version prior to 1.04.1.1012. It is, therefore, affected by a
vulnerability that allows a man-in-the-middle attacker to spoof the
update server in order to upload and execute arbitrary code on the
remote host.");
  script_set_attribute(attribute:"see_also", value:"https://www.malwarebytes.com/support/releasehistory/");
  # https://blog.0x3a.com/post/104954032239/cve-2014-4936-malwarebytes-anti-malware-and#_=_
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?28c4367f");
  script_set_attribute(attribute:"solution", value:
"Upgrade to Malwarebytes Anti-Exploit 1.04.1.1012 or later.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:M/Au:N/C:C/I:C/A:C");
  script_set_cvss_temporal_vector("CVSS2#E:F/RL:OF/RC:C");

  script_set_attribute(attribute:"exploitability_ease", value:"Exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"true");
  script_set_attribute(attribute:"metasploit_name", value:'Malwarebytes Anti-Malware and Anti-Exploit Update Remote Code Execution');
  script_set_attribute(attribute:"exploit_framework_metasploit", value:"true");

  script_set_attribute(attribute:"vuln_publication_date", value:"2014/12/11");
  script_set_attribute(attribute:"patch_publication_date", value:"2014/09/04");
  script_set_attribute(attribute:"plugin_publication_date", value:"2015/06/03");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"cpe:/a:malwarebytes:malwarebytes_anti-exploit");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_family(english:"Windows");

  script_copyright(english:"This script is Copyright (C) 2015-2019 and is owned by Tenable, Inc. or an Affiliate thereof.");

  script_dependencies("malwarebytes_anti_exploit_installed.nbin");
  script_require_keys("installed_sw/Malwarebytes Anti-Exploit");

  exit(0);
}

include("audit.inc");
include("global_settings.inc");
include("misc_func.inc");
include("install_func.inc");

app = "Malwarebytes Anti-Exploit";

install = get_single_install(
  app_name : app,
  exit_if_unknown_ver : TRUE
);
path    = install["path"];
version = install["version"];
edition = install["Edition"];

if (edition == "Business")
  audit(AUDIT_INST_PATH_NOT_VULN, app, version, path);
else if (edition == UNKNOWN_VER && report_paranoia < 2)
  exit(0, "The edition of " + app + " could not be determined.");

port = get_kb_item('SMB/transport');
if (!port) port = 445;

fix = '1.04.1.1012';

if (ver_compare(fix:fix, ver:version, strict:FALSE) < 0)
{
  if (report_verbosity > 0)
  {
    report =
      '\n  Path              : ' + path +
      '\n  Edition           : ' + edition +
      '\n  Installed version : ' + version +
      '\n  Fixed version     : ' + fix +
      '\n';
    security_hole(port:port, extra:report);
  }
  else security_hole(port);
}
else audit(AUDIT_INST_PATH_NOT_VULN, app, version, path);

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

• Linux / Unix:
  /opt/nessus/lib/nessus/plugins/malwarebytes_anti_exploit_1_04_1_1012.nasl
• Windows:
  C:\ProgramData\Tenable\Nessus\nessus\plugins\malwarebytes_anti_exploit_1_04_1_1012.nasl
• Mac OS X:
  /Library/Nessus/run/lib/nessus/plugins/malwarebytes_anti_exploit_1_04_1_1012.nasl

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How to Run

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Here is how to run the Malwarebytes Anti-Exploit < 1.04.1.1012 RCE 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 Windows plugin family.
6. On the right side table select Malwarebytes Anti-Exploit < 1.04.1.1012 RCE plugin ID 83957.
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 malwarebytes_anti_exploit_1_04_1_1012.nasl -t <IP/HOST>

Run the plugin with audit trail message on the console:

/opt/nessus/bin/nasl -a malwarebytes_anti_exploit_1_04_1_1012.nasl -t <IP/HOST>

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

/opt/nessus/bin/nasl -T - malwarebytes_anti_exploit_1_04_1_1012.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 malwarebytes_anti_exploit_1_04_1_1012.nasl -t <IP/HOST>

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References

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See also:

• https://www.tenable.com/plugins/nessus/83957
• https://www.malwarebytes.com/support/releasehistory/
• http://www.nessus.org/u?28c4367f
• https://vulners.com/nessus/MALWAREBYTES_ANTI_EXPLOIT_1_04_1_1012.NASL

Similar and related Nessus plugins:

• 83958 - Malwarebytes Anti-Exploit < 1.05.1.1014 DoS

Version

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This page has been produced using Nessus Professional 10.1.2 (#68) LINUX, Plugin set 202205072148.
Plugin file malwarebytes_anti_exploit_1_04_1_1012.nasl version 1.6. For more plugins, visit the Nessus Plugin Library.

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