SAP GUI KWEdit ActiveX Control SaveDocumentAs() Insecure Method - Nessus

High Plugin ID: 36163

This page contains detailed information about the SAP GUI KWEdit ActiveX Control SaveDocumentAs() Insecure Method 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: 36163
Name: SAP GUI KWEdit ActiveX Control SaveDocumentAs() Insecure Method
Filename: sapgui_kwedit_activex.nasl
Vulnerability Published: N/A
This Plugin Published: 2009-04-15
Last Modification Time: 2018-11-15
Plugin Version: 1.13
Plugin Type: local
Plugin Family: Windows
Dependencies: smb_hotfixes.nasl
Required KB Items [?]: SMB/Registry/Enumerated

Vulnerability Information

Severity: High
Vulnerability Published: N/A
Patch Published: N/A
CVE [?]: CVE-2008-4830
CPE [?]: cpe:/a:sap:sap_gui

Synopsis

The remote Windows host has an ActiveX control that is affected by a remote code execution vulnerability.

Description

The version of the KWEdit ActiveX control on the remote host is reportedly affected by a remote code execution vulnerability. The control provides the insecure method 'SaveDocumentAs()', which saves an HTML document to a specified location. This can be exploited in combination with e.g. the 'OpenDocument()' method to disclose file contents or to execute arbitrary code on the affected host subject to the user's privileges.

Solution

Upgrade to the latest version and verify the kill bit is set.

Public Exploits

Target Network Port(s): 139, 445
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 SAP GUI KWEdit ActiveX Control SaveDocumentAs() Insecure Method vulnerability:

Metasploit: exploit/windows/browser/enjoysapgui_comp_download
[EnjoySAP SAP GUI ActiveX Control Arbitrary File Download]
Exploit-DB: exploits/windows/remote/16493.rb
[EDB-16493: EnjoySAP SAP GUI - ActiveX Control Arbitrary File Download (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: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

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


include("compat.inc");

if (description)
{
  script_id(36163);
  script_version("1.13");

  script_cve_id("CVE-2008-4830");
  script_bugtraq_id(34524);
  script_xref(name:"Secunia", value:"32869");

  script_name(english:"SAP GUI KWEdit ActiveX Control SaveDocumentAs() Insecure Method");
  script_summary(english:"Checks for control");

  script_set_attribute(attribute:"synopsis", value:
"The remote Windows host has an ActiveX control that is affected by a
remote code execution vulnerability." );
  script_set_attribute(attribute:"description", value:
"The version of the KWEdit ActiveX control on the remote host is
reportedly affected by a remote code execution vulnerability. The
control provides the insecure method 'SaveDocumentAs()', which saves
an HTML document to a specified location. This can be exploited in
combination with e.g. the 'OpenDocument()' method to disclose file
contents or to execute arbitrary code on the affected host subject to
the user's privileges.");
  script_set_attribute(attribute:"see_also", value:"https://secuniaresearch.flexerasoftware.com/secunia_research/2008-56/" );
  script_set_attribute(attribute:"solution", value:
"Upgrade to the latest version and verify the kill bit is set." );
 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:'EnjoySAP SAP GUI ActiveX Control Arbitrary File Download');
 script_set_attribute(attribute:"exploit_framework_metasploit", value:"true");
 script_set_attribute(attribute:"plugin_publication_date", value: "2009/04/15");
 script_cvs_date("Date: 2018/11/15 20:50:28");
  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe",value:"cpe:/a:sap:sap_gui");
  script_end_attributes();
  
  script_category(ACT_GATHER_INFO);
  script_family(english:"Windows");

  script_copyright(english:"This script is Copyright (C) 2009-2018 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("global_settings.inc");
include("smb_func.inc");
include("smb_activex_func.inc");

if (!get_kb_item("SMB/Registry/Enumerated")) exit(0);

# Locate the file used by the controls
if (activex_init() != ACX_OK) exit(0);

clsid = '{2137278D-EF5C-11D3-96CE-0004AC965257}';
file = activex_get_filename(clsid:clsid);
if (file)
{
  ver = activex_get_filename(clsid:clsid);

  if (ver) ver = string("Version ", ver);
  else ver = string("An unknown version");

  report = NULL;
  if (report_paranoia > 1)
    report = string(
      "\n",
      ver, " of the vulnerable control is installed as :\n",
      "\n",
      "  ", file, "\n",
      "\n",
      "Note, though, that Nessus did not check whether the kill bit was \n",
      "set for the control's CLSID because the Report Paranoia setting \n",
      "was in effect when this scan was run.\n"
    );
  else if(activex_get_killbit(clsid:clsid) == 0)
    report = string(
      "\n",
      ver, " of the vulnerable control is installed as :\n",
      "\n",
      "  ", file, "\n",
      "\n",
      "Moreover, its kill bit is not set so it is accessible via Internet\n",
      "Explorer.\n"
    );
  if (report)
  {
    if (report_verbosity > 0)
      security_hole(port:kb_smb_transport(), extra:report);
    else
      security_hole(kb_smb_transport());
  }
}
activex_end();

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

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

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How to Run

Here is how to run the SAP GUI KWEdit ActiveX Control SaveDocumentAs() Insecure Method 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 SAP GUI KWEdit ActiveX Control SaveDocumentAs() Insecure Method plugin ID 36163.
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 sapgui_kwedit_activex.nasl -t <IP/HOST>

Run the plugin with audit trail message on the console:

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

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

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

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References

BID | SecurityFocus Bugtraq ID:

34524

Secunia Advisory:

32869

See also:

Similar and related Nessus plugins:

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Version

This page has been produced using Nessus Professional 10.1.2 (#68) LINUX, Plugin set 202205072148.
Plugin file sapgui_kwedit_activex.nasl version 1.13. For more plugins, visit the Nessus Plugin Library.

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SAP GUI KWEdit ActiveX Control SaveDocumentAs() Insecure Method - Nessus

Plugin Overview

Vulnerability Information

Synopsis

Description

Solution

Public Exploits

Risk Information

Plugin Source

How to Run

References

Version

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