Flexera AdminStudio LaunchProcess Function ActiveX Control Remote Command Execution - Nessus

Medium Plugin ID: 62392

This page contains detailed information about the Flexera AdminStudio LaunchProcess Function ActiveX Control Remote Command Execution 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: 62392
Name: Flexera AdminStudio LaunchProcess Function ActiveX Control Remote Command Execution
Filename: flexera_adminstudio_launchhelp_activex_command_exec.nasl
Vulnerability Published: 2011-10-19
This Plugin Published: 2012-10-02
Last Modification Time: 2019-12-04
Plugin Version: 1.14
Plugin Type: local
Plugin Family: Windows
Dependencies: smb_hotfixes.nasl
Required KB Items [?]: SMB/Registry/Enumerated

Vulnerability Information

Severity: Medium
Vulnerability Published: 2011-10-19
Patch Published: 2011-10-19
CVE [?]: CVE-2011-2657
CPE [?]: cpe:/a:novell:zenworks_configuration_management, x-cpe:/a:flexera:adminstudio
Exploited by Malware: True

Synopsis

The remote host has software installed that is affected by a remote command execution vulnerability.

Description

The remote host has the Flexera AdminStudio LaunchHelp ActiveX control installed. The control is affected by a remote command execution vulnerability that can be triggered by sending a directory traversal string to the 'LaunchProcess()' function.

By tricking a victim into visiting a specially crafted page, an attacker may be able to execute arbitrary commands on the host subject to the privileges of the user.

Solution

Apply the hotfix from Flexera.

Public Exploits

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

Here's the list of publicly known exploits and PoCs for verifying the Flexera AdminStudio LaunchProcess Function ActiveX Control Remote Command Execution vulnerability:

Metasploit: exploit/windows/browser/zenworks_helplauncher_exec
[AdminStudio LaunchHelp.dll ActiveX Arbitrary Code Execution]
Exploit-DB: exploits/windows/remote/19718.rb
[EDB-19718: AdminStudio - 'LaunchHelp.dll' ActiveX Arbitrary Code Execution (Metasploit)]
Immunity Canvas: D2ExploitPack

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-2011-2657
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)

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Plugin Source

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




include("compat.inc");

if (description)
{
  script_id(62392);
  script_version("1.14");
  script_cvs_date("Date: 2019/12/04");

  script_cve_id("CVE-2011-2657");
  script_bugtraq_id(50274);
  script_xref(name:"EDB-ID", value:"19718");

  script_name(english:"Flexera AdminStudio LaunchProcess Function ActiveX Control Remote Command Execution");
  script_summary(english:"Checks version of ActiveX Control");

  script_set_attribute(attribute:"synopsis", value:
"The remote host has software installed that is affected by a remote
command execution vulnerability.");
  script_set_attribute(attribute:"description", value:
"The remote host has the Flexera AdminStudio LaunchHelp ActiveX control
installed.  The control is affected by a remote command execution
vulnerability that can be triggered by sending a directory traversal
string to the 'LaunchProcess()' function.

By tricking a victim into visiting a specially crafted page, an attacker
may be able to execute arbitrary commands on the host subject to the
privileges of the user.");
  script_set_attribute(attribute:"see_also", value:"https://www.zerodayinitiative.com/advisories/ZDI-11-318/");
  # http://kb.flexerasoftware.com/selfservice/viewContent.do?externalId=Q201079
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?f940fbc9");
  script_set_attribute(attribute:"solution", value:
"Apply the hotfix from Flexera.");
  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_attribute(attribute:"cvss_score_source", value:"CVE-2011-2657");

  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:"exploited_by_malware", value:"true");
  script_set_attribute(attribute:"metasploit_name", value:'AdminStudio LaunchHelp.dll ActiveX Arbitrary Code Execution');
  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:'D2ExploitPack');

  script_set_attribute(attribute:"vuln_publication_date", value:"2011/10/19");
  script_set_attribute(attribute:"patch_publication_date", value:"2011/10/19");
  script_set_attribute(attribute:"plugin_publication_date", value:"2012/10/02");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"x-cpe:/a:flexera:adminstudio");
  script_set_attribute(attribute:"cpe", value:"cpe:/a:novell:zenworks_configuration_management");
  script_end_attributes();

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

  script_copyright(english:"This script is Copyright (C) 2012-2019 and is owned by Tenable, Inc. or an Affiliate thereof.");

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

  exit(0);
}

include("audit.inc");
include("smb_func.inc");
include("smb_hotfixes.inc");
include("smb_hotfixes_fcheck.inc");
include("smb_activex_func.inc");
include("smb_reg_query.inc");
include("misc_func.inc");

get_kb_item_or_exit("SMB/Registry/Enumerated");

clsid = '{7A758D94-E900-11D5-8467-00B0D023B202}';

if (activex_init() != ACX_OK) exit(1, "activex_init() failed.");

info = '';

fix = '10.1.0.0';

file = activex_get_filename(clsid:clsid);
if (isnull(file))
{
  activex_end();
  exit(1, "activex_get_filename() returned NULL.");
}
if (!file)
{
  activex_end();
  audit(AUDIT_ACTIVEX_NOT_FOUND, clsid);
}

# Get its version.
version = activex_get_fileversion(clsid:clsid);
if (!version)
{
  activex_end();
  audit(AUDIT_VER_FAIL, file);
}

if (version =~ "^(9|10)\." && ver_compare(ver:version, fix:fix) == -1)
{
  if (report_paranoia > 1 || activex_get_killbit(clsid:clsid) == 0)
  {
      info += '\n  Class identifier  : ' + clsid +
              '\n  Filename          : ' + file +
              '\n  Installed version : ' + version +
              '\n  Fixed version     : ' + fix + '\n';
   }
}

activex_end();

# Report findings.
if (info)
{
  if (report_paranoia > 1)
  {
    report = info +
      '\n' +
      'Note, though, that Nessus did not check whether the kill bit was\n' +
      "set for the control's CLSID because of the Report Paranoia setting" + '\n' +
      'in effect when this scan was run.\n';
  }
  else
  {
    report = info +
      '\n' +
      'Moreover, its kill bit is not set so it is accessible via Internet\n' +
      'Explorer.\n';
  }

  if (report_verbosity > 0) security_warning(port:kb_smb_transport(), extra:report);
  else security_warning(kb_smb_transport());

  exit(0);
}
else
{
  if(ver_compare(ver:version, fix:fix) >= 0)
    audit(AUDIT_INST_VER_NOT_VULN, file, version);
  else
    exit(0, "The " + file + " control is installed, but its kill bit is set.");
}

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

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

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How to Run

Here is how to run the Flexera AdminStudio LaunchProcess Function ActiveX Control Remote Command Execution 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 Flexera AdminStudio LaunchProcess Function ActiveX Control Remote Command Execution plugin ID 62392.
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 flexera_adminstudio_launchhelp_activex_command_exec.nasl -t <IP/HOST>

Run the plugin with audit trail message on the console:

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

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

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

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References

BID | SecurityFocus Bugtraq ID:

50274

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 flexera_adminstudio_launchhelp_activex_command_exec.nasl version 1.14. For more plugins, visit the Nessus Plugin Library.

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Flexera AdminStudio LaunchProcess Function ActiveX Control Remote Command Execution - Nessus

Plugin Overview

Vulnerability Information

Synopsis

Description

Solution

Public Exploits

Risk Information

Plugin Source

How to Run

References

Version

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