Netop Remote Control dws File Handling Overflow - Nessus

High Plugin ID: 58769

This page contains detailed information about the Netop Remote Control dws File Handling Overflow 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: 58769
Name: Netop Remote Control dws File Handling Overflow
Filename: netop_remote_control_guest_dws_bof.nasl
Vulnerability Published: 2011-04-28
This Plugin Published: 2012-04-17
Last Modification Time: 2018-11-15
Plugin Version: 1.6
Plugin Type: local
Plugin Family: Windows
Dependencies: netop_remote_control_guest_installed.nasl
Required KB Items [?]: SMB/Netop_Remote_Control_Guest/Installed

Vulnerability Information

Severity: High
Vulnerability Published: 2011-04-28
Patch Published: 2011-03-30
CVE [?]: N/A
CPE [?]: cpe:/a:netop:remote_control

Synopsis

There is an application installed on the remote host that is affected by a buffer overflow vulnerability.

Description

Netop Remote Control Guest is installed on the remote Windows host and is less than version 10.0 build 2011087. As such, it reportedly has a flaw in handling '.dws' script files that can be utilized to trigger a buffer overflow.

By tricking the user into opening a specially crafted '.dws' file, a remote attacker may be able to execute arbitrary code subject to the user's privileges.

Solution

Upgrade to Netop Remote Control Guest 10.0 build 2011087 or greater.

Public Exploits

Target Network Port(s): N/A
Target Asset(s): N/A
Exploit Available: True (Metasploit Framework, Exploit-DB)
Exploit Ease: Exploits are available

Here's the list of publicly known exploits and PoCs for verifying the Netop Remote Control dws File Handling Overflow vulnerability:

Metasploit: exploit/windows/fileformat/netop
[NetOp Remote Control Client 9.5 Buffer Overflow]
Exploit-DB: exploits/windows/local/17223.pl
[EDB-17223: NetOp Remote Control 8.0/9.1/9.2/9.5 - Local Buffer Overflow]
Exploit-DB: exploits/windows/remote/18697.rb
[EDB-18697: NetOp Remote Control Client 9.5 - Remote Buffer Overflow (Metasploit)]

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

CVSS Base Score:	9.3 (High)
Impact Subscore:	10.0
Exploitability Subscore:	8.6
CVSS Temporal Score:	8.8 (High)
CVSS Environmental Score:	NA (None)
Modified Impact Subscore:	NA
Overall CVSS Score:	8.8 (High)

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Plugin Source

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

include("compat.inc");

if (description)
{
  script_id(58769);
  script_version("1.6");
  script_cvs_date("Date: 2018/11/15 20:50:27");

  script_bugtraq_id(47631);
  script_xref(name:"EDB-ID", value:"17223");
  script_xref(name:"EDB-ID", value:"18697");

  script_name(english:"Netop Remote Control dws File Handling Overflow");
  script_summary(english:"Checks version of Netop Remote Control Guest install");

  script_set_attribute(
    attribute:"synopsis",
    value:
"There is an application installed on the remote host that is affected
by a buffer overflow vulnerability."
  );
  script_set_attribute(
    attribute:"description",
    value:
"Netop Remote Control Guest is installed on the remote Windows host
and is less than version 10.0 build 2011087.  As such, it reportedly
has a flaw in handling '.dws' script files that can be utilized to
trigger a buffer overflow. 

By tricking the user into opening a specially crafted '.dws' file, a
remote attacker may be able to execute arbitrary code subject to the
user's privileges."
  );
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?ba257e44");
  script_set_attribute(
    attribute:"solution",
    value:"Upgrade to Netop Remote Control Guest 10.0 build 2011087 or greater."
  );
  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:U/RC:ND");
  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:'NetOp Remote Control Client 9.5 Buffer Overflow');
  script_set_attribute(attribute:"exploit_framework_metasploit", value:"true");

  script_set_attribute(attribute:"vuln_publication_date", value:"2011/04/28");
  script_set_attribute(attribute:"patch_publication_date", value:"2011/03/30");
  script_set_attribute(attribute:"plugin_publication_date", value:"2012/04/17");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"cpe:/a:netop:remote_control");
  script_end_attributes();

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

  script_copyright(english:"This script is Copyright (C) 2012-2018 Tenable Network Security, Inc.");

  script_dependencies("netop_remote_control_guest_installed.nasl");
  script_require_keys("SMB/Netop_Remote_Control_Guest/Installed");

  exit(0);
}

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

kb_base = "SMB/Netop_Remote_Control_Guest/";
port = get_kb_item("SMB/transport");

get_kb_item_or_exit(kb_base + "Installed");

version = get_kb_item_or_exit(kb_base + "Version");

if (ver_compare(ver:version, fix:'10.0.2011.87', strict:FALSE) == -1)
{
  if (report_verbosity > 0) 
  {
    version_ui = get_kb_item_or_exit(kb_base + "Version_UI");
    path = get_kb_item_or_exit(kb_base + "Path");
    report += '\n  Path              : '+path+
              '\n  Installed version : '+version_ui+ ' (' + version + ')' +
              '\n  Fixed version     : 10.0.11087 (10.0.2011.87)\n';
    security_hole(port:port, extra:report); 
  }
  else security_hole(port);
} 
else 
  audit(AUDIT_INST_VER_NOT_VULN, "Netop Remote Control Guest", version);

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

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

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How to Run

Here is how to run the Netop Remote Control dws File Handling Overflow 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 Windows plugin family.
On the right side table select Netop Remote Control dws File Handling Overflow plugin ID 58769.
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 netop_remote_control_guest_dws_bof.nasl -t <IP/HOST>

Run the plugin with audit trail message on the console:

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

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

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

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References

BID | SecurityFocus Bugtraq ID:

47631

See also:

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Version

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

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Netop Remote Control dws File Handling Overflow - Nessus

Plugin Overview

Vulnerability Information

Synopsis

Description

Solution

Public Exploits

Risk Information

Plugin Source

How to Run

References

Version

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