Vulnerabilities > CVE-2012-0267 - Improper Input Validation vulnerability in Ntrglobal NTR Activex Control

047910
CVSS 9.3 - CRITICAL
Attack vector
NETWORK
Attack complexity
MEDIUM
Privileges required
NONE
Confidentiality impact
COMPLETE
Integrity impact
COMPLETE
Availability impact
COMPLETE
network
ntrglobal
CWE-20
critical
nessus
exploit available
metasploit
NVD
Published: 2012-01-15
Updated: 2017-08-29

Summary

The StopModule method in the NTR ActiveX control before 2.0.4.8 allows remote attackers to execute arbitrary code via a crafted lModule parameter that triggers use of an arbitrary memory address as a function pointer.

Vulnerable Configurations

Part Description Count
Application
Ntrglobal
1

Common Weakness Enumeration (CWE)

Common Attack Pattern Enumeration and Classification (CAPEC)

  • Buffer Overflow via Environment Variables
    This attack pattern involves causing a buffer overflow through manipulation of environment variables. Once the attacker finds that they can modify an environment variable, they may try to overflow associated buffers. This attack leverages implicit trust often placed in environment variables.
  • Server Side Include (SSI) Injection
    An attacker can use Server Side Include (SSI) Injection to send code to a web application that then gets executed by the web server. Doing so enables the attacker to achieve similar results to Cross Site Scripting, viz., arbitrary code execution and information disclosure, albeit on a more limited scale, since the SSI directives are nowhere near as powerful as a full-fledged scripting language. Nonetheless, the attacker can conveniently gain access to sensitive files, such as password files, and execute shell commands.
  • Cross Zone Scripting
    An attacker is able to cause a victim to load content into their web-browser that bypasses security zone controls and gain access to increased privileges to execute scripting code or other web objects such as unsigned ActiveX controls or applets. This is a privilege elevation attack targeted at zone-based web-browser security. In a zone-based model, pages belong to one of a set of zones corresponding to the level of privilege assigned to that page. Pages in an untrusted zone would have a lesser level of access to the system and/or be restricted in the types of executable content it was allowed to invoke. In a cross-zone scripting attack, a page that should be assigned to a less privileged zone is granted the privileges of a more trusted zone. This can be accomplished by exploiting bugs in the browser, exploiting incorrect configuration in the zone controls, through a cross-site scripting attack that causes the attackers' content to be treated as coming from a more trusted page, or by leveraging some piece of system functionality that is accessible from both the trusted and less trusted zone. This attack differs from "Restful Privilege Escalation" in that the latter correlates to the inadequate securing of RESTful access methods (such as HTTP DELETE) on the server, while cross-zone scripting attacks the concept of security zones as implemented by a browser.
  • Cross Site Scripting through Log Files
    An attacker may leverage a system weakness where logs are susceptible to log injection to insert scripts into the system's logs. If these logs are later viewed by an administrator through a thin administrative interface and the log data is not properly HTML encoded before being written to the page, the attackers' scripts stored in the log will be executed in the administrative interface with potentially serious consequences. This attack pattern is really a combination of two other attack patterns: log injection and stored cross site scripting.
  • Command Line Execution through SQL Injection
    An attacker uses standard SQL injection methods to inject data into the command line for execution. This could be done directly through misuse of directives such as MSSQL_xp_cmdshell or indirectly through injection of data into the database that would be interpreted as shell commands. Sometime later, an unscrupulous backend application (or could be part of the functionality of the same application) fetches the injected data stored in the database and uses this data as command line arguments without performing proper validation. The malicious data escapes that data plane by spawning new commands to be executed on the host.

Exploit-Db

descriptionNTR ActiveX Control StopModule() Remote Code Execution. CVE-2012-0267. Remote exploit for windows platform
fileexploits/windows/remote/21839.rb
idEDB-ID:21839
last seen2016-02-02
modified2012-10-10
platformwindows
port
published2012-10-10
reportermetasploit
sourcehttps://www.exploit-db.com/download/21839/
titleNTR ActiveX Control StopModule Remote Code Execution
typeremote

Metasploit

descriptionThis module exploits a vulnerability found in the NTR ActiveX 1.1.8. The vulnerability exists in the StopModule() method, where the lModule parameter is used to dereference memory to get a function pointer, which leads to code execution under the context of the user visiting a malicious web page.
idMSF:EXPLOIT/WINDOWS/BROWSER/NTR_ACTIVEX_STOPMODULE
last seen2020-06-13
modified2017-10-05
published2012-09-20
references
reporterRapid7
sourcehttps://github.com/rapid7/metasploit-framework/blob/master//modules/exploits/windows/browser/ntr_activex_stopmodule.rb
titleNTR ActiveX Control StopModule() Remote Code Execution

Nessus

NASL familyWindows
NASL idNTR_2_0_4_8_ACTIVEX.NASL
descriptionAt least one version of the NTR ActiveX control installed on the remote Windows host is earlier than 2.0.4.8. As such, it reportedly is affected by the following vulnerabilities : - Four stack-based buffer overflows exist involving the
last seen2020-06-01
modified2020-06-02
plugin id57556
published2012-01-16
reporterThis script is Copyright (C) 2012-2018 Tenable Network Security, Inc.
sourcehttps://www.tenable.com/plugins/nessus/57556
titleNTR ActiveX Control < 2.0.4.8 Multiple Vulnerabilities
code
#
# (C) Tenable Network Security, Inc.
#


include("compat.inc");


if (description)
{
  script_id(57556);
  script_version("1.16");
  script_cvs_date("Date: 2018/11/15 20:50:27");

  script_cve_id("CVE-2012-0266", "CVE-2012-0267");
  script_bugtraq_id(51374);
  script_xref(name:"Secunia", value:"45166");

  script_name(english:"NTR ActiveX Control < 2.0.4.8 Multiple Vulnerabilities");
  script_summary(english:"Checks control's version / kill bit");

  script_set_attribute(
    attribute:"synopsis",
    value:
"An ActiveX control installed on the remote Windows host is affected
by multiple vulnerabilities."
  );
  script_set_attribute(
    attribute:"description",
    value:
"At least one version of the NTR ActiveX control installed on the
remote Windows host is earlier than 2.0.4.8.  As such, it reportedly
is affected by the following vulnerabilities :

  - Four stack-based buffer overflows exist involving the
    'bstrUrl' parameter of the 'StartModule()' method, the
    'bstrParams' parameter of the 'Check()' method, and the
    'bstrUrl' parameter of the 'Download()' and
    'DownloadModule()' methods. (CVE-2012-0266)

  - An input validation vulnerability exists involving the
    'iModule' parameter of the 'StopModule()' method.
    (CVE-2012-0267)

If an attacker can trick a user on the affected host into visiting a
specially crafted web page, these issues could be leveraged to
execute arbitrary code on the host subject to the user's privileges."
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://secuniaresearch.flexerasoftware.com/secunia_research/2012-1/"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://secuniaresearch.flexerasoftware.com/secunia_research/2012-2/"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://www.securityfocus.com/archive/1/521210/30/0/threaded"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://www.securityfocus.com/archive/1/521211/30/0/threaded"
  );
  script_set_attribute(
    attribute:"solution",
    value:
"Upgrade affected installs to version 2.0.4.8 or later as that
reportedly resolves the vulnerability."
  );
  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:H/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:"exploited_by_malware", value:"true");
  script_set_attribute(attribute:"metasploit_name", value:'NTR ActiveX Control StopModule() Remote 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:'White_Phosphorus');

  script_set_attribute(attribute:"vuln_publication_date", value:"2012/01/11");
  script_set_attribute(attribute:"patch_publication_date", value:"2011/12/27");
  script_set_attribute(attribute:"plugin_publication_date", value:"2012/01/16");

  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) 2012-2018 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("misc_func.inc");
include("smb_func.inc");
include("smb_activex_func.inc");


get_kb_item_or_exit("SMB/Registry/Enumerated");
if (activex_init() != ACX_OK) exit(1, "activex_init() failed.");


# Determine if the control is installed.
clsids = make_list(
  '{0FADB9AA-6955-4319-B538-BB1461E11A28}',
  '{11BD6F81-233F-4B62-BAFB-27ECABD3CBCF}',
  '{31C766ED-EAB7-400B-A861-86EB4001F491}',
  '{7AFFF5C9-F28D-4A93-8362-3EB66D33D849}',
  '{7BABCBE7-ECFF-4EA0-A344-1DC32458A6ED}',
  '{93B08541-9F6B-4697-9F9A-7058F1E33785}',
  '{B8634A6E-38D5-4AAE-8708-3F3DB92FF9D0}',
  '{E6ACF817-0A85-4EBE-9F0A-096C6488CFEA}',
  '{F11BFF96-CC7A-4482-819B-91EAE4C454EF}'
);
fixed_version = "2.0.4.8";
installs = 0;

info = '';
foreach clsid (clsids)
{
  file = activex_get_filename(clsid:clsid);
  if (isnull(file))
  {
    debug_print('activex_get_filename() returned NULL.');
    continue;
  }
  if (!file)
  {
    debug_print("There is no ActiveX control using the class id '"+clsid+"' on the host.");
    continue;
  }
  installs++;

  # Get its version.
  version = activex_get_fileversion(clsid:clsid);

  # And check it.
  if (version && activex_check_fileversion(clsid:clsid, fix:fixed_version) == TRUE)
  {
    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     : ' + fixed_version + '\n';
     } 
  }
}
activex_end();
if (!installs) exit(0, 'None of the affected controls were found on the remote host.');


# Report findings.
if (info)
{
  # At this point, we want to know how many *vulnerable* installs there are.
  installs = max_index(split(info)) / 5;

  if (report_paranoia > 1)
  {
    if (installs == 1)
      report = info +
        '\nNote, though, that Nessus did not check whether the kill bit was set' +
        '\nfor the control\'s CLSID because of the Report Paranoia setting in' +
        '\neffect when this scan was run.\n';
    else
      report = info +
        '\nNote, though, that Nessus did not check whether the kill bits were set' +
        '\nfor the controls\' CLSIDs because of the Report Paranoia setting in' +
        '\neffect when this scan was run.\n';
  }
  else
  {
    if (installs == 1)
      report = info +
        '\nMoreover, its kill bit is not set so it is accessible via Internet' +
        '\nExplorer.\n';
    else
      report = info +
        '\nMoreover, their kill bits are not set so they are accessible via' +
        '\nInternet Explorer.\n';
  }

  if (report_verbosity > 0) security_hole(port:kb_smb_transport(), extra:report);
  else security_hole(kb_smb_transport());
  exit(0);
}
else 
{
  if (installs == 1) exit(0, 'One of the controls is installed but its kill bit is set.');
  else exit(0, 'The controls are installed but their kill bits are set.');
}

Packetstorm

data sourcehttps://packetstormsecurity.com/files/download/116796/ntr_activex_stopmodule.rb.txt
idPACKETSTORM:116796
last seen2016-12-05
published2012-09-22
reporterCarsten Eiram
sourcehttps://packetstormsecurity.com/files/116796/NTR-ActiveX-Control-StopModule-Remote-Code-Execution.html
titleNTR ActiveX Control StopModule() Remote Code Execution

References