Microsoft Uniscribe Remote Code Execution Vulnerability (3204063)

# SPDX-FileCopyrightText: 2016 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("1.3.6.1.4.1.25623.1.0.809832");
  script_version("2023-07-21T05:05:22+0000");
  script_cve_id("CVE-2016-7274");
  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:"2023-07-21 05:05:22 +0000 (Fri, 21 Jul 2023)");
  script_tag(name:"severity_vector", value:"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H");
  script_tag(name:"severity_origin", value:"NVD");
  script_tag(name:"severity_date", value:"2018-10-12 22:14:00 +0000 (Fri, 12 Oct 2018)");
  script_tag(name:"creation_date", value:"2016-12-14 09:12:25 +0530 (Wed, 14 Dec 2016)");
  script_name("Microsoft Uniscribe Remote Code Execution Vulnerability (3204063)");

  script_tag(name:"summary", value:"This host is missing a critical security
  update according to Microsoft Bulletin MS16-147.");

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

  script_tag(name:"insight", value:"The flaw exists due to the way Windows
  Uniscribe handles objects in the memory.");

  script_tag(name:"impact", value:"Successful exploitation will allow an attacker
  to take control of the affected system. An attacker could then:

  - install programs

  - view, change, or delete data

  - or create new accounts with full user rights.

  Users whose accounts are configured to have fewer user rights on the system could
  be less impacted than users who operate with administrative user rights.");

  script_tag(name:"affected", value:"- Microsoft Windows 8.1 x32/x64

  - Microsoft Windows 10 x32/x64

  - Microsoft Windows Server 2012/2012R2

  - Microsoft Windows 10 Version 1511 x32/x64

  - Microsoft Windows 10 Version 1607 x32/x64

  - Microsoft Windows Vista x32/x64 Service Pack 2

  - Microsoft Windows Server 2008 x32/x64 Service Pack 2

  - Microsoft Windows 7 x32/x64 Service Pack 1

  - Microsoft Windows Server 2008 R2 x64 Service Pack 1

  - Microsoft Windows Server 2016");

  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_tag(name:"qod_type", value:"executable_version");
  script_xref(name:"URL", value:"https://support.microsoft.com/en-us/kb/3204063");
  script_xref(name:"URL", value:"https://technet.microsoft.com/library/security/MS16-147");
  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2016 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, winVistax64:3,
                   win2008x64:3, win2012:1, win2012R2:1, win8_1:1, win8_1x64:1, win10:1,
                   win10x64:1, win2016:1) <= 0){
  exit(0);
}

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

usrVer = fetch_file_version(sysPath:sysPath, file_name:"System32\Usp10.dll");
gdiVer = fetch_file_version(sysPath:sysPath, file_name:"System32\Mshtml.dll");

if(!usrVer && !gdiVer){
  exit(0);
}

if(hotfix_check_sp(win7:2, win7x64:2, win2008r2:2) > 0 && usrVer)
{
    ## Presently GDR information is not available.
    if(version_is_less(version:usrVer, test_version:"1.626.7601.23585"))
    {
      Vulnerable_range1 = "Less than 1.626.7601.23585";
      VULN1 = TRUE ;
    }
}

else if(hotfix_check_sp(winVista:3, winVistax64:3, win2008:3, win2008x64:3) > 0 && usrVer)
{
    if(version_is_less(version:usrVer, test_version:"1.626.6002.19707"))
    {
      Vulnerable_range1 = "Less than 1.626.6002.19707";
      VULN1 = TRUE ;
    }

    else if(version_in_range(version:usrVer, test_version:"1.626.6002.24000", test_version2:"1.626.6002.24029"))
    {
      Vulnerable_range1 = "1.626.6002.24000 - 1.626.6002.24029";
      VULN1 = TRUE ;
    }
}

else if(hotfix_check_sp(win2012:1) > 0 && gdiVer)
{
  if(version_is_less(version:gdiVer, test_version:"10.0.9200.22028"))
  {
     Vulnerable_range = "Less than 10.0.9200.22028";
     VULN = TRUE ;
  }
}

## Win 8.1 and win2012R2
else if(hotfix_check_sp(win8_1:1, win8_1x64:1, win2012R2:1) > 0 && gdiVer)
{
  if(version_is_less(version:gdiVer, test_version:"11.0.9600.18538"))
  {
    Vulnerable_range = "Less than 11.0.9600.18538";
    VULN = TRUE ;
  }
}

else if(hotfix_check_sp(win10:1, win10x64:1) > 0 && gdiVer)
{
  if(version_is_less(version:gdiVer, test_version:"11.0.10240.17202") )
  {
    Vulnerable_range = "Less than 11.0.10240.17202";
    VULN = TRUE;
  }

  else if(version_in_range(version:gdiVer, test_version:"11.0.10586.0", test_version2:"11.0.10586.712"))
  {
    Vulnerable_range = "11.0.10586.0 - 11.0.10586.712";
    VULN = TRUE ;
  }

  else if(version_in_range(version:gdiVer, test_version:"11.0.14393.0", test_version2:"11.0.14393.575"))
  {
    Vulnerable_range = "11.0.14393.0 - 11.0.14393.575";
    VULN = TRUE ;
  }
}

else if(hotfix_check_sp(win2016:1) > 0 && gdiVer)
{
  if(version_in_range(version:gdiVer, test_version:"11.0.14393.0", test_version2:"11.0.14393.575"))
  {
    Vulnerable_range = "11.0.14393.0 - 11.0.14393.575";
    VULN = TRUE ;
  }
}

if(VULN1)
{
  report = 'File checked:     ' + sysPath + "\System32\Usp10.dll" + '\n' +
           'File version:     ' + usrVer  + '\n' +
           'Vulnerable range: ' + Vulnerable_range1 + '\n' ;
  security_message(data:report);
  exit(0);
}

else if(VULN)
{
  report = 'File checked:     ' + sysPath + "\System32\Mshtml.dll" + '\n' +
           'File version:     ' + gdiVer  + '\n' +
           'Vulnerable range: ' + Vulnerable_range + '\n' ;
  security_message(data:report);
  exit(0);
}
exit(0);