Microsoft Windows Client/Server Run-time Subsystem Privilege Escalation Vulnerability (2790113)

# Copyright (C) 2013 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("1.3.6.1.4.1.25623.1.0.902946");
  script_version("2022-07-26T10:10:42+0000");
  script_cve_id("CVE-2013-0076");
  script_tag(name:"cvss_base", value:"7.2");
  script_tag(name:"cvss_base_vector", value:"AV:L/AC:L/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:"2013-02-13 07:39:40 +0530 (Wed, 13 Feb 2013)");
  script_name("Microsoft Windows Client/Server Run-time Subsystem Privilege Escalation Vulnerability (2790113)");
  script_xref(name:"URL", value:"http://support.microsoft.com/kb/2790113");
  script_xref(name:"URL", value:"http://www.securityfocus.com/bid/57821");
  script_xref(name:"URL", value:"http://www.securitytracker.com/id/1028127");
  script_xref(name:"URL", value:"https://docs.microsoft.com/en-us/security-updates/securitybulletins/2013/ms13-019");

  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2013 Greenbone Networks GmbH");
  script_family("Windows : Microsoft Bulletins");
  script_dependencies("smb_reg_service_pack.nasl");
  script_require_ports(139, 445);
  script_mandatory_keys("SMB/WindowsVersion");

  script_tag(name:"impact", value:"Successful exploitation will allow attackers to gain escalated privileges
  and execute the code.");
  script_tag(name:"affected", value:"- Microsoft Windows 7 x32/x64 Edition Service Pack 1 and prior

  - Microsoft Windows Server 2008 R2 Edition Service Pack 1 and prior");
  script_tag(name:"insight", value:"The flaw is due to an error in the Client/Server Run-time Subsystem (CSRSS)
  when handling the reference counter for certain objects in memory and can be
  execute code with escalated privileges.");
  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 MS13-019.");
  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(win7:2, win7x64:2, win2008r2:2) <= 0){
  exit(0);
}

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

sysVer = fetch_file_version(sysPath:sysPath, file_name:"system32\Winsrv.dll");
if(!sysVer){
  exit(0);
}

if(hotfix_check_sp(win7:2, win7x64:2, win2008r2:2) > 0)
{
  if(version_is_less(version:sysVer, test_version:"6.1.7600.17206") ||
     version_in_range(version:sysVer, test_version:"6.1.7600.20000", test_version2:"6.1.7600.21415")||
     version_in_range(version:sysVer, test_version:"6.1.7601.17000", test_version2:"6.1.7601.18042")||
     version_in_range(version:sysVer, test_version:"6.1.7601.21000", test_version2:"6.1.7601.22208")){
    security_message( port: 0, data: "The target host was found to be vulnerable" );
  }
}