Microsoft Windows Kernel Privilege Elevation Vulnerability (3063858)

# SPDX-FileCopyrightText: 2015 Greenbone AG
# 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-only

if(description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.805583");
  script_version("2023-07-25T05:05:58+0000");
  script_cve_id("CVE-2015-1758");
  script_tag(name:"cvss_base", value:"6.9");
  script_tag(name:"cvss_base_vector", value:"AV:L/AC:M/Au:N/C:C/I:C/A:C");
  script_tag(name:"last_modification", value:"2023-07-25 05:05:58 +0000 (Tue, 25 Jul 2023)");
  script_tag(name:"creation_date", value:"2015-06-10 09:08:28 +0530 (Wed, 10 Jun 2015)");
  script_tag(name:"qod_type", value:"executable_version");
  script_name("Microsoft Windows Kernel Privilege Elevation Vulnerability (3063858)");

  script_tag(name:"summary", value:"This host is missing an important security
  update according to Microsoft Bulletin MS15-063.");

  script_tag(name:"vuldetect", value:"Checks if a vulnerable version is present on the target host.");

  script_tag(name:"insight", value:"The flaw exists in the Windows LoadLibrary
  as it fails to properly validate user input.");

  script_tag(name:"impact", value:"Successful exploitation will allow attackers
  to gain elevated privileges on affected system.");

  script_tag(name:"affected", value:"- Microsoft Windows 8 x32/x64

  - Microsoft Windows Server 2012

  - Microsoft Windows Vista x32/x64 Edition Service Pack 2 and prior

  - Microsoft Windows Server 2008 x32/x64 Edition Service Pack 2 and prior

  - Microsoft Windows 7 x32/x64 Edition Service Pack 1 and prior

  - Microsoft Windows Server 2008 R2 x64 Edition Service Pack 1 and prior");

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

  script_tag(name:"solution_type", value:"VendorFix");

  script_xref(name:"URL", value:"https://support.microsoft.com/en-us/kb/3063858");
  script_xref(name:"URL", value:"http://www.securityfocus.com/bid/75004");
  script_xref(name:"URL", value:"https://technet.microsoft.com/library/security/MS15-063");

  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2015 Greenbone AG");
  script_family("Windows : Microsoft Bulletins");
  script_dependencies("smb_reg_service_pack.nasl");
  script_require_ports(139, 445);
  script_mandatory_keys("SMB/WindowsVersion");
  exit(0);
}

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

if(hotfix_check_sp(winVista:3, win7:2, win7x64:2,
                   win2008:3, win2008r2:2, win8:1, win8x64:1, win2012:1) <= 0){
  exit(0);
}

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

sysVer = fetch_file_version(sysPath:sysPath, file_name:"system32\kernel32.dll");
if(sysVer)
{
  ## Currently not supporting for Vista and Windows Server 2008 64 bit
  if(hotfix_check_sp(winVista:3, win2008:3) > 0)
  {
    if(version_is_less(version:sysVer, test_version:"6.0.6002.19381") ||
       version_in_range(version:sysVer, test_version:"6.0.6002.23000", test_version2:"6.0.6002.23687")){
      security_message( port: 0, data: "The target host was found to be vulnerable" );
    }
    exit(0);
  }

  if(hotfix_check_sp(win7:2, win7x64:2, win2008r2:2) > 0)
  {
    if(version_is_less(version:sysVer, test_version:"6.1.7601.18847") ||
       version_in_range(version:sysVer, test_version:"6.1.7601.22000", test_version2:"6.1.7601.23048")){
      security_message( port: 0, data: "The target host was found to be vulnerable" );
    }
    exit(0);
  }
}

## Win 8 and 2012
if(hotfix_check_sp(win8:1, win8x64:1, win2012:1) > 0)
{
  sysVer = fetch_file_version(sysPath:sysPath, file_name:"system32\Kernelbase.dll");
  if(!sysVer){
    exit(0);
  }

  if(version_is_less(version:sysVer, test_version:"6.2.9200.17366") ||
     version_in_range(version:sysVer, test_version:"6.2.9200.20000", test_version2:"6.2.9200.21477")){
    security_message( port: 0, data: "The target host was found to be vulnerable" );
  }
  exit(0);
}