Microsoft .NET Framework Information Disclosure Vulnerability (3192884)

# 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("1.3.6.1.4.1.25623.1.0.809706");
  script_version("2023-07-21T05:05:22+0000");
  script_cve_id("CVE-2016-3209");
  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:"2023-07-21 05:05:22 +0000 (Fri, 21 Jul 2023)");
  script_tag(name:"severity_vector", value:"CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N");
  script_tag(name:"severity_origin", value:"NVD");
  script_tag(name:"severity_date", value:"2018-10-12 22:11:00 +0000 (Fri, 12 Oct 2018)");
  script_tag(name:"creation_date", value:"2016-10-12 13:56:09 +0530 (Wed, 12 Oct 2016)");
  script_name("Microsoft .NET Framework Information Disclosure Vulnerability (3192884)");

  script_tag(name:"summary", value:"This host is missing an important security
  update according to Microsoft Bulletin MS16-120.");

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

  script_tag(name:"insight", value:"Flaw exists due to error in the way that the
  Windows Graphics Device Interface (GDI) handles objects in memory.");

  script_tag(name:"impact", value:"Successful exploitation will allow remote
  attackers to gain access to potentially sensitive information.");

  script_tag(name:"affected", value:"- Microsoft .NET Framework 3.0 Service Pack 2

  - Microsoft .NET Framework 4.5.2

  - Microsoft .NET Framework 4.6

  - Microsoft .NET Framework 3.5.1

  - Microsoft .NET Framework 3.5");

  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/3192884");
  script_xref(name:"URL", value:"http://www.securityfocus.com/bid/93385");
  script_xref(name:"URL", value:"https://technet.microsoft.com/library/security/MS16-120");
  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_mandatory_keys("SMB/WindowsVersion");
  script_require_ports(139, 445);

  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, winVistax64:3, win7:2, win7x64:2, win2008:3,
   win2008x64:3, win2008r2:2, win8_1:1, win8_1x64:1, win2012:1, win2012R2:1,
   win10:1, win10x64:1) <= 0){
  exit(0);
}

sysPath = smb_get_system32root();
if(!sysPath){
  exit(0);
}

key = "SOFTWARE\Microsoft\ASP.NET\";
if(!registry_key_exists(key:key)){
  exit(0);
}

##.NET Framework 3.5.1 and .NET Framework 3.0
key = "SOFTWARE\Microsoft\.NETFramework\AssemblyFolders\v3.0";
if(!registry_key_exists(key:key)){
  exit(0);
}

path = registry_get_sz(key:key , item:"All Assemblies In");
if(path){
  dllVer = fetch_file_version(sysPath:path, file_name:"System.printing.dll");
}

if(dllVer)
{
  ## Only LDR is given
  ## https://support.microsoft.com/en-us/kb/3188730
  ## https://support.microsoft.com/en-us/kb/3188731
  ## https://support.microsoft.com/en-us/kb/3188732
  ## https://support.microsoft.com/en-us/kb/3188743
  ## https://support.microsoft.com/en-us/kb/3188741
  ## https://support.microsoft.com/en-us/kb/3188740
  ## .NET Framework 3.5 for Windows 8.1, and Windows Server 2012 R2
  ## .NET Framework 3.5 for Windows Server 2012
  ## .NET Framework 3.5.1 for Windows 7 and Windows Server 2008 R2 Service Pack 1
  if(hotfix_check_sp(win7:2, win7x64:2, win2008r2:2, win2012:1, win8_1:1, win8_1x64:1, win2012R2:1) > 0)
  {
    if(version_in_range(version:dllVer, test_version:"3.0", test_version2:"3.0.6920.8719"))
    {
      VULN1 = TRUE ;
      vulnerable_range1 = "3.0 - 3.0.6920.8719";
    }
  }

  ## .NET Framework 3.0 Service Pack 2 for Windows Vista Service Pack 2 and Windows Server 2008 Service Pack 2
  ## https://support.microsoft.com/en-us/kb/3188735
  ## https://support.microsoft.com/en-us/kb/3188726
  ## Only LDR is given
  ## in Windows Vista Service Pack 2 and Windows Server 2008 Service Pack 2
  else if(hotfix_check_sp(winVista:3, winVistax64:3, win2008:3, win2008x64:3) > 0)
  {
    if(version_in_range(version:dllVer, test_version:"3.0", test_version2:"3.0.6920.8719"))
    {
      VULN1 = TRUE ;
      vulnerable_range1 = "3.0 - 3.0.6920.8719";
    }
  }
}

## NET Framework 4.5.2
key = "SOFTWARE\Microsoft\NET Framework Setup\NDP\v4\Client\";
if(registry_key_exists(key:key))
{
  pathv45 = registry_get_sz(key:key, item:"InstallPath");
  if(pathv45)
  {
    dllv45 = fetch_file_version(sysPath:pathv45, file_name:"WPF\wpfgfx_v0400.dll");
    if(dllv45)
    {
      ## .NET Framework 4.5.2 for Windows Vista Service Pack 2 and Windows Server 2008 Service Pack 2
      ## https://support.microsoft.com/en-us/kb/3189039
      if(hotfix_check_sp(winVista:3, winVistax64:3, win2008:3, win2008x64:3) > 0)
      {
        if(version_in_range(version:dllv45, test_version: "4.0", test_version2:"4.0.30319.36366"))
        {
          VULN2 = TRUE ;
          vulnerable_range2 = "4.0 - 4.0.30319.36366";
        }
      }
    }
    dfdllVer = fetch_file_version(sysPath:pathv45, file_name:"dfdll.dll");
    if(dfdllVer)
    {
      ##https://support.microsoft.com/en-us/kb/3189052
      if(hotfix_check_sp(winVista:3, winVistax64:3, win2008:3, win2008x64:3) > 0)
      {
        if(version_in_range(version:dfdllVer, test_version: "4.6", test_version2:"4.6.1084"))
        {
          VULN3 = TRUE ;
          vulnerable_range3 = "4.6 - 4.6.1084";
        }
      }
    }
  }
}
## https://support.microsoft.com/en-us/kb/3189040
## File path seems dynamic ..\Windows\Microsoft.NET\Framework\v4.0.30319\SetupCache\v4.6.00081\

##https://support.microsoft.com/en-us/kb/3189051
##Can lead to FP not covering

edgeVer = fetch_file_version(sysPath:sysPath, file_name:"edgehtml.dll");
if(hotfix_check_sp(win10:1, win10x64:1) > 0 && edgeVer)
{
  if(version_is_less(version:edgeVer, test_version:"11.0.10240.17146"))
  {
    vulnerable_range4 = "Less than 11.0.10240.17146";
    VULN4 = TRUE ;
  }
  else if(version_in_range(version:edgeVer, test_version:"11.0.10586.0", test_version2:"11.0.10586.632"))
  {
    vulnerable_range4 = "11.0.10586.0 - 11.0.10586.632";
    VULN4 = TRUE ;
  }
  else if(version_in_range(version:edgeVer, test_version:"11.0.14393.0", test_version2:"11.0.14393.320"))
  {
    vulnerable_range4 = "11.0.14393.0 - 11.0.14393.320";
    VULN4 = TRUE ;
  }
}

if(VULN1)
{
  report = 'File checked:     ' + path + "System.printing.dll" + '\n' +
           'File version:     ' + dllVer  + '\n' +
           'Vulnerable range: ' + vulnerable_range1 + '\n' ;
  security_message(data:report);
  exit(0);
}

else if(VULN2)
{
  report = 'File checked:     ' + pathv45 + "WPF\wpfgfx_v0400.dll" + '\n' +
           'File version:     ' + dllv45  + '\n' +
           'Vulnerable range: ' + vulnerable_range2 + '\n' ;
  security_message(data:report);
  exit(0);
}

else if(VULN3)
{
  report = 'File checked:     ' + pathv45 + "dfdll.dll" + '\n' +
           'File version:     ' + dfdllVer  + '\n' +
           'Vulnerable range: ' + vulnerable_range3 + '\n' ;
  security_message(data:report);
  exit(0);
}

else if(VULN4)
{
  report = 'File checked:     ' + sysPath + "\edgehtml.dll" + '\n' +
           'File version:     ' + edgeVer  + '\n' +
           'Vulnerable range: ' + vulnerable_range4 + '\n' ;
  security_message(data:report);
  exit(0);
}
exit(0);