Microsoft Windows IIS FTP Service Information Disclosure Vulnerability (2761226)

###############################################################################
# OpenVAS Vulnerability Test
# $Id: secpod_ms12-073.nasl 5346 2017-02-19 08:43:11Z cfi $
#
# Microsoft Windows IIS FTP Service Information Disclosure Vulnerability (2761226)
#
# Authors:
# Rachana Shetty <[email protected]>
#
# Copyright:
# Copyright (c) 2012 SecPod, http://www.secpod.com
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License version 2
# (or any later version), as published by the Free Software Foundation.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
###############################################################################

tag_impact = "Successful exploitation will allow an attacker to gain access to sensitive
  information that may aid in further attacks.
  Impact Level: Application";
tag_affected = "Microsoft FTP Service 7.0 for IIS 7.0
  - On Microsoft Windows Vista/2008 server Service Pack 2 and prior
  Microsoft FTP Service 7.5 for IIS 7.5
  - On Microsoft Windows Vista/2008 server Service Pack 2 and prior
  - On Microsoft Windows 7 Service Pack 1 and prior
  - On Microsoft Windows Server 2008 R2 Service Pack 1 and prior";
tag_insight = "The flaws are due to
  - IIS improperly manages the permissions of a log file.
  - An error within the IIS FTP service when negotiating encrypted
    communications channels.";
tag_solution = "Run Windows Update and update the listed hotfixes or download and
  update mentioned hotfixes in the advisory from the below link,
  http://technet.microsoft.com/en-us/security/bulletin/ms12-073";
tag_summary = "This host is missing a moderate security update according to
  Microsoft Bulletin MS12-073.";

if(description)
{
  script_id(902694);
  script_version("$Revision: 5346 $");
  script_cve_id("CVE-2012-2531", "CVE-2012-2532");
  script_bugtraq_id(56440);
  script_tag(name:"cvss_base", value:"5.0");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:N/C:P/I:N/A:N");
  script_tag(name:"last_modification", value:"$Date: 2017-02-19 09:43:11 +0100 (Sun, 19 Feb 2017) $");
  script_tag(name:"creation_date", value:"2012-11-14 10:33:22 +0530 (Wed, 14 Nov 2012)");
  script_name("Microsoft Windows IIS FTP Service Information Disclosure Vulnerability (2761226)");
  script_xref(name : "URL" , value : "http://secunia.com/advisories/51235");
  script_xref(name : "URL" , value : "http://support.microsoft.com/kb/2733829");
  script_xref(name : "URL" , value : "http://technet.microsoft.com/en-us/security/bulletin/ms12-073");

  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2012 SecPod");
  script_family("Windows : Microsoft Bulletins");
  script_dependencies("secpod_reg_enum.nasl");
  script_require_ports(139, 445);
  script_mandatory_keys("SMB/WindowsVersion");

  script_tag(name : "impact" , value : tag_impact);
  script_tag(name : "affected" , value : tag_affected);
  script_tag(name : "insight" , value : tag_insight);
  script_tag(name : "solution" , value : tag_solution);
  script_tag(name : "summary" , value : tag_summary);
  script_tag(name:"qod_type", value:"registry");
  script_tag(name:"solution_type", value:"VendorFix");
  exit(0);
}


include("smb_nt.inc");
include("secpod_reg.inc");
include("version_func.inc");
include("secpod_smb_func.inc");

sysPath = "";
dllVer = "";

## Check for OS and Service Pack
if(hotfix_check_sp(winVista:3, win2008:3, win7:2, win2008r2:2) <= 0){
  exit(0);
}

## Get System Path
sysPath = smb_get_systemroot();
if(!sysPath ){
  exit(0);
}

## Get Version from Ftpsvc.dll file
dllVer = fetch_file_version(sysPath, file_name:"system32\inetsrv\ftpsvc.dll");
if(dllVer)
{
  ## Windows Vista and Windows Server 2008
  if(hotfix_check_sp(winVista:3, win2008:3) > 0)
  {
    ## Check for Ftpsvc.dll version
    ## File info is not given in bulletin taken based on patch
    if(version_in_range(version:dllVer, test_version:"7.5.7600.0", test_version2:"7.5.7600.14979"))
    {
      security_message(0);
      exit(0);
    }
  }

  ## Windows 7
  else if(hotfix_check_sp(win7:2, win2008r2:2) > 0)
  {
    dllVer2 = fetch_file_version(sysPath, file_name:"system32\inetsrv\Aspnetca.exe");
    if(dllVer2)
    {
      ## Check for Ftpsvc.dll version
      if(version_is_less(version:dllVer, test_version:"7.5.7600.17034") ||
         version_in_range(version:dllVer, test_version:"7.5.7600.20000", test_version2:"7.5.7600.21223")||
         version_in_range(version:dllVer, test_version:"7.5.7601.17000", test_version2:"7.5.7601.17854")||
         version_in_range(version:dllVer, test_version:"7.5.7601.21000", test_version2:"7.5.7601.22008")||
         version_is_less(version:dllVer2, test_version:"7.5.7600.17034") ||
         version_in_range(version:dllVer2, test_version:"7.5.7600.20000", test_version2:"7.5.7600.21223")||
         version_in_range(version:dllVer2, test_version:"7.5.7601.17000", test_version2:"7.5.7601.17854")||
         version_in_range(version:dllVer2, test_version:"7.5.7601.21000", test_version2:"7.5.7601.22008")){
        security_message(0);
      }
    }
  }
}