Microsoft Windows Indeo Codec Remote Code Execution Vulnerability (2661637)

# Copyright (C) 2012 Greenbone Networks GmbH
# Some text descriptions might be excerpted from (a) referenced
# source(s), and are Copyright (C) by the respective right holder(s).
#
# SPDX-License-Identifier: GPL-2.0-or-later
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# 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.

if(description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.902792");
  script_version("2022-07-26T10:10:42+0000");
  script_cve_id("CVE-2010-3138");
  script_tag(name:"cvss_base", value:"9.3");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:M/Au:N/C:C/I:C/A:C");
  script_tag(name:"last_modification", value:"2022-07-26 10:10:42 +0000 (Tue, 26 Jul 2022)");
  script_tag(name:"creation_date", value:"2012-02-15 13:02:52 +0530 (Wed, 15 Feb 2012)");
  script_name("Microsoft Windows Indeo Codec Remote Code Execution Vulnerability (2661637)");
  script_xref(name:"URL", value:"http://securitytracker.com/id/1026683");
  script_xref(name:"URL", value:"http://www.securityfocus.com/bid/42730");
  script_xref(name:"URL", value:"http://support.microsoft.com/kb/2661637");
  script_xref(name:"URL", value:"https://docs.microsoft.com/en-us/security-updates/securitybulletins/2012/ms12-014");

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

  script_tag(name:"impact", value:"Successful exploitation allows an attacker to load arbitrary libraries by
  tricking a user into opening an AVI file located on a remote WebDAV or SMB share via an application using the filter.");

  script_tag(name:"affected", value:"Microsoft Windows XP Service Pack 3 and prior.");

  script_tag(name:"insight", value:"The flaw is due to an error in 'Indeo' filter, it is loading libraries
  (e.g. iacenc.dll) in an insecure manner.");

  script_tag(name:"solution", value:"The vendor has released updates. Please see the references for more information.");

  script_tag(name:"summary", value:"This host is missing an important security update according to
  Microsoft Bulletin MS12-014.");

  script_tag(name:"qod_type", value:"executable_version");
  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");

if(hotfix_check_sp(xp:4) <= 0){
  exit(0);
}

## MS12-014 Hotfix (2661637)
if(hotfix_missing(name:"2661637") == 0){
  exit(0);
}

sysPath = smb_get_systemroot();
if(!sysPath ){
  exit(0);
}

path = sysPath + "\system32\Iacenc.dll";
share = ereg_replace(pattern:"([A-Z]):.*", replace:"\1$", string:path);
file = ereg_replace(pattern:"[A-Z]:(.*)", replace:"\1", string:path);

## After applying the patch file will be available in system32 directory
## so checking for the existence of file, if file is absent its vulnerable

if(share && file)
{
  dllSize = get_file_size(share:share, file:file);
  if(!dllSize)
  {
    security_message( port: 0, data: "The target host was found to be vulnerable" );
    exit(0);
  }
}

dllVer = fetch_file_version(sysPath:sysPath, file_name:"system32\Iacenc.dll");
if(dllVer)
{
  if(version_is_less(version:dllVer, test_version:"1.0.0.0")){
    security_message( port: 0, data: "The target host was found to be vulnerable" );
  }
}