Timbuktu Pro < 8.6.7 PlughNTCommand Named Pipe Remote Stack Buffer Overflow - Nessus

Critical Plugin ID: 39563

This page contains detailed information about the Timbuktu Pro < 8.6.7 PlughNTCommand Named Pipe Remote Stack Buffer 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: 39563
Name: Timbuktu Pro < 8.6.7 PlughNTCommand Named Pipe Remote Stack Buffer Overflow
Filename: timbuktu_867.nasl
Vulnerability Published: N/A
This Plugin Published: 2009-06-28
Last Modification Time: 2018-11-15
Plugin Version: 1.17
Plugin Type: local
Plugin Family: Windows
Dependencies: smb_hotfixes.nasl
Required KB Items [?]: SMB/Registry/Enumerated

Vulnerability Information

Severity: Critical
Vulnerability Published: N/A
Patch Published: N/A
CVE [?]: CVE-2009-1394
CPE [?]: N/A

Synopsis

The remote Windows host contains a program that is prone to a remote buffer overflow attack.

Description

The remote Windows host contains a version of Motorola Inc.'s Timbuktu Pro that is earlier than 8.6.7. Timbuktu Pro allows remote access to a computer's desktop, and versions before 8.6.7 reportedly contain a stack-based buffer overflow that can be triggered when the 'PlughNTCommand' named pipe receives an overly large character string. An unauthenticated, remote attacker can leverage this issue to crash the affected application or to execute arbitrary code with SYSTEM privileges.

Solution

Upgrade to Timbuktu Pro for Windows version 8.6.7 or later.

Public Exploits

Target Network Port(s): 139, 445
Target Asset(s): N/A
Exploit Available: True (Metasploit Framework, Exploit-DB, Core Impact)
Exploit Ease: Exploits are available

Here's the list of publicly known exploits and PoCs for verifying the Timbuktu Pro < 8.6.7 PlughNTCommand Named Pipe Remote Stack Buffer Overflow vulnerability:

Metasploit: exploit/windows/smb/timbuktu_plughntcommand_bof
[Timbuktu PlughNTCommand Named Pipe Buffer Overflow]
Exploit-DB: exploits/windows/remote/16370.rb
[EDB-16370: Timbuktu 8.6.6 - PlughNTCommand Named Pipe 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:L/Au:N/C:C/I:C/A:C/E:F/RL:OF/RC:C

CVSS Base Score:	10.0 (High)
Impact Subscore:	10.0
Exploitability Subscore:	10.0
CVSS Temporal Score:	8.3 (High)
CVSS Environmental Score:	NA (None)
Modified Impact Subscore:	NA
Overall CVSS Score:	8.3 (High)

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Plugin Source

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


include("compat.inc");


if (description)
{
  script_id(39563);
  script_version("1.17");
  script_cvs_date("Date: 2018/11/15 20:50:29");

  script_cve_id("CVE-2009-1394");
  script_bugtraq_id(35496);

  script_name(english:"Timbuktu Pro < 8.6.7 PlughNTCommand Named Pipe Remote Stack Buffer Overflow");
  script_summary(english:"Checks version of tb2pro.exe");

  script_set_attribute(attribute:"synopsis", value:
"The remote Windows host contains a program that is prone to a remote
buffer overflow attack.");
  script_set_attribute(attribute:"description", value:
"The remote Windows host contains a version of Motorola Inc.'s Timbuktu
Pro that is earlier than 8.6.7. Timbuktu Pro allows remote access to a
computer's desktop, and versions before 8.6.7 reportedly contain a
stack-based buffer overflow that can be triggered when the
'PlughNTCommand' named pipe receives an overly large character string.
An unauthenticated, remote attacker can leverage this issue to crash
the affected application or to execute arbitrary code with SYSTEM
privileges.");
  # http://www.verisigninc.com/en_US/cyber-security/security-intelligence/vulnerability-reports/articles/index.xhtml?id=809
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?34edc10d");
  script_set_attribute(attribute:"see_also", value:"https://www.securityfocus.com/archive/1/504554/30/0/threaded");
  # ftp://ftp-xo.netopia.com/evaluation/docs/timbuktu/win/867/relnotes/TB2Win867Evalrn.pdf
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?41cf5a58");
  script_set_attribute(attribute:"solution", value:"Upgrade to Timbuktu Pro for Windows version 8.6.7 or later.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/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:"exploit_framework_core", value:"true");
  script_set_attribute(attribute:"metasploit_name", value:'Timbuktu PlughNTCommand Named Pipe Buffer Overflow');
  script_set_attribute(attribute:"exploit_framework_metasploit", value:"true");
  script_cwe_id(119);

  script_set_attribute(attribute:"plugin_publication_date", value:"2009/06/28");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_end_attributes();

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

  script_copyright(english:"This script is Copyright (C) 2009-2018 Tenable Network Security, Inc.");

  script_dependencies("smb_hotfixes.nasl");
  script_require_keys("SMB/Registry/Enumerated");
  script_require_ports(139, 445);

  exit(0);
}


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


# Connect to the appropriate share.
if (!get_kb_item("SMB/Registry/Enumerated")) exit(0);
name    =  kb_smb_name();
port    =  kb_smb_transport();
login   =  kb_smb_login();
pass    =  kb_smb_password();
domain  =  kb_smb_domain();



if(! smb_session_init()) audit(AUDIT_FN_FAIL, 'smb_session_init');
rc = NetUseAdd(login:login, password:pass, domain:domain, share:"IPC$");
if (rc != 1)
{
  NetUseDel();
  exit(1, "Can't connect to IPC$ share.");
}


# Connect to remote registry.
hklm = RegConnectRegistry(hkey:HKEY_LOCAL_MACHINE);
if (isnull(hklm))
{
  NetUseDel();
  exit(1, "Can't connect to remote registry.");
}


# Check whether it's installed.
path = NULL;

key = "SOFTWARE\Netopia\Timbuktu Pro";
key_h = RegOpenKey(handle:hklm, key:key, mode:MAXIMUM_ALLOWED);
if (!isnull(key_h))
{
  value = RegQueryValue(handle:key_h, item:"InstallPath");
  if (!isnull(value))
  {
    path = value[1];
    path = ereg_replace(pattern:"^(.+)\\$", replace:"\1", string:path);
  }

  RegCloseKey(handle:key_h);
}
RegCloseKey(handle:hklm);
if (isnull(path))
{
  NetUseDel();
  exit(0, "Timbuktu Pro is not installed.");
}


# Check the version of the main exe.
share = ereg_replace(pattern:"^([A-Za-z]):.*", replace:"\1$", string:path);
exe =  ereg_replace(pattern:"^[A-Za-z]:(.*)", replace:"\1\tb2pro.exe", string:path);
NetUseDel(close:FALSE);
rc = NetUseAdd(login:login, password:pass, domain:domain, share:share);
if (rc != 1)
{
  NetUseDel();
  exit(1, "Can't connect to "+share+" share.");
}

fh = CreateFile(
  file:exe,
  desired_access:GENERIC_READ,
  file_attributes:FILE_ATTRIBUTE_NORMAL,
  share_mode:FILE_SHARE_READ,
  create_disposition:OPEN_EXISTING
);
ver = NULL;
if (!isnull(fh))
{
  ver = GetFileVersion(handle:fh);
  CloseFile(handle:fh);
}
NetUseDel();


# Check the version number.
if (!isnull(ver))
{
  version = string(ver[0], ".", ver[1], ".", ver[2]);

  fix = split("8.6.7.1379", sep:'.', keep:FALSE);
  for (i=0; i<max_index(fix); i++)
    fix[i] = int(fix[i]);

  for (i=0; i<max_index(ver); i++)
    if ((ver[i] < fix[i]))
    {
      if (report_verbosity > 0)
      {
        report = string(
          "\n",
          "  Version : ", version, "\n",
          "  Path    : ", path, "\n"
        );
        security_hole(port:port, extra:report);
      }
      else security_hole(port);
      exit(0);
    }
    else if (ver[i] > fix[i])
      break;

  exit(0, "Timbuktu Pro version "+version+" is installed and not vulnerable.");
}
else exit(1, "Couldn't get file version of '"+exe+"'.");

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

Linux / Unix:
/opt/nessus/lib/nessus/plugins/timbuktu_867.nasl
Windows:
C:\ProgramData\Tenable\Nessus\nessus\plugins\timbuktu_867.nasl
Mac OS X:
/Library/Nessus/run/lib/nessus/plugins/timbuktu_867.nasl

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How to Run

Here is how to run the Timbuktu Pro < 8.6.7 PlughNTCommand Named Pipe Remote Stack Buffer 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 Timbuktu Pro < 8.6.7 PlughNTCommand Named Pipe Remote Stack Buffer Overflow plugin ID 39563.
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 timbuktu_867.nasl -t <IP/HOST>

Run the plugin with audit trail message on the console:

/opt/nessus/bin/nasl -a timbuktu_867.nasl -t <IP/HOST>

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

/opt/nessus/bin/nasl -T - timbuktu_867.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 timbuktu_867.nasl -t <IP/HOST>

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References

BID | SecurityFocus Bugtraq ID:

35496

CWE | Common Weakness Enumeration:

CWE-119 (Weakness) Improper Restriction of Operations within the Bounds of a Memory Buffer

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 timbuktu_867.nasl version 1.17. For more plugins, visit the Nessus Plugin Library.

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Timbuktu Pro < 8.6.7 PlughNTCommand Named Pipe Remote Stack Buffer Overflow - Nessus

Plugin Overview

Vulnerability Information

Synopsis

Description

Solution

Public Exploits

Risk Information

Plugin Source

How to Run

References

Version

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