Microsoft .NET Framework Security Bypass Vulnerability (2984625)

# SPDX-FileCopyrightText: 2014 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("1.3.6.1.4.1.25623.1.0.804740");
  script_version("2023-07-26T05:05:09+0000");
  script_cve_id("CVE-2014-4062");
  script_tag(name:"cvss_base", value:"4.3");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:M/Au:N/C:P/I:N/A:N");
  script_tag(name:"last_modification", value:"2023-07-26 05:05:09 +0000 (Wed, 26 Jul 2023)");
  script_tag(name:"creation_date", value:"2014-08-13 16:07:41 +0530 (Wed, 13 Aug 2014)");
  script_tag(name:"solution_type", value:"VendorFix");
  script_name("Microsoft .NET Framework Security Bypass Vulnerability (2984625)");

  script_tag(name:"summary", value:"This host is missing an important security update according to
  Microsoft Bulletin MS14-046.");

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

  script_tag(name:"insight", value:"Flaw is triggered when handling specially crafted website content due to the
  Address Space Layout Randomization (ASLR) security feature.");

  script_tag(name:"impact", value:"Successful exploitation could allow an attacker to execute of arbitrary code
  and bypass certain security mechanism.");

  script_tag(name:"affected", value:"Microsoft .NET Framework 2.0 Service Pack 2, 3.0 Service Pack 2, 3.5, 3.5.1.");

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

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

  script_xref(name:"URL", value:"https://technet.microsoft.com/en-us/security/bulletin/ms14-046");
  script_xref(name:"URL", value:"http://www.securityfocus.com/bid/69145");
  script_xref(name:"URL", value:"http://support.microsoft.com/kb/2984625");
  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2014 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, win8_1:1, win8_1x64:1, win2012:1, win2012R2:1) <= 0){
  exit(0);
}

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

foreach item (registry_enum_keys(key:key))
{
  path = registry_get_sz(key:key + item, item:"Path");
  if(path && "\Microsoft.NET\Framework" >< path)
  {
    dllVer = fetch_file_version(sysPath:path, file_name:"mscorlib.dll");
    if(dllVer)
    {
      ## .NET Framework 2.0 Service Pack 2 for Windows Vista Service Pack 2 and Windows Server 2008 Service Pack 2
      if((hotfix_check_sp(winVista:3, win2008:3) > 0) &&
         (version_in_range(version:dllVer, test_version:"2.0.50727.4000", test_version2:"2.0.50727.4251")||
          version_in_range(version:dllVer, test_version:"2.0.50727.7000", test_version2:"2.0.50727.7066")))
      {
        security_message( port: 0, data: "The target host was found to be vulnerable" );
        exit(0);
      }

      ## .NET Framework 3.5 for Windows 8 and Windows Server 2012
      if((hotfix_check_sp(win8:1, win8x64:1, win2012:1) > 0) &&
         (version_in_range(version:dllVer, test_version:"2.0.50727.6000", test_version2:"2.0.50727.6418")||
          version_in_range(version:dllVer, test_version:"2.0.50727.7000", test_version2:"2.0.50727.7056")))
      {
        security_message( port: 0, data: "The target host was found to be vulnerable" );
        exit(0);
      }

      ## .NET Framework 3.5 on Windows 8.1 and Windows Server 2012 R2
      if((hotfix_check_sp(win8_1:1, win8_1x64:1, win2012R2:1) > 0) &&
         (version_is_less(version:dllVer, test_version:"2.0.50727.8007")||
          version_in_range(version:dllVer, test_version:"2.0.50727.8600", test_version2:"2.0.50727.8611")))
      {
        security_message( port: 0, data: "The target host was found to be vulnerable" );
        exit(0);
      }

      ## .NET Framework 3.5.1 for Windows 7 Service Pack 1 and Windows Server 2008 R2 Service Pack 1
      if((hotfix_check_sp(win7:2, win7x64:2, win2008r2:2) > 0) &&
         (version_in_range(version:dllVer, test_version:"2.0.50727.5400", test_version2:"2.0.50727.5482")||
          version_in_range(version:dllVer, test_version:"2.0.50727.7000", test_version2:"2.0.50727.8629")))
      {
        security_message( port: 0, data: "The target host was found to be vulnerable" );
        exit(0);
      }
    }
  }
}

key2 = "SOFTWARE\Microsoft\.NETFramework\AssemblyFolders\";
foreach item (registry_enum_keys(key:key2))
{
  path = registry_get_sz(key:key2 + item, item:"All Assemblies In");
  if(path)
  {
    dllv2 = fetch_file_version(sysPath:path, file_name:"system.identitymodel.dll");
    if(dllv2)
    {
      ## .NET Framework 3.0 Service Pack 2 on Windows Vista and Windows Server 2008
      if((hotfix_check_sp(winVista:3, win2008:3) > 0) &&
         (version_in_range(version:dllv2, test_version:"3.0.4506.4000", test_version2:"3.0.4506.4222")||
          version_in_range(version:dllv2, test_version:"3.0.4506.7000", test_version2:"3.0.4506.7096")))
      {
        security_message( port: 0, data: "The target host was found to be vulnerable" );
        exit(0);
      }

      ## .NET Framework 3.5 for Windows 8 and Windows Server 2012
      if((hotfix_check_sp(win8:1, win8x64:1, win2012:1) > 0) &&
         (version_in_range(version:dllv2, test_version:"3.0.4506.6000", test_version2:"3.0.4506.6415")||
          version_in_range(version:dllv2, test_version:"3.0.4506.7000", test_version2:"3.0.4506.7081")))
      {
        security_message( port: 0, data: "The target host was found to be vulnerable" );
        exit(0);
      }

      ## .NET Framework 3.5 on Windows 8.1 and Windows Server 2012 R2
      ## ms14-046 is upgrading the version 3.0.4506.8603 and ms14-053 is
      ## downgrading the version to 3.0.4506.8602 (It's strange error higher
      ## KBs should not downgrade the version)
      ## https://support.microsoft.com/en-us/kb/2973114
      ## It will detect as vulnerable for ms14-046 when you install ms14-053 on top of ms14-046
      ## can consider 3.0.4506.8602 is not vulnerable here.
      if((hotfix_check_sp(win8_1:1, win8_1x64:1, win2012R2:1) > 0) &&
         (version_is_less(version:dllv2, test_version:"3.0.4506.8002")||
          version_in_range(version:dllv2, test_version:"3.0.4506.8600", test_version2:"3.0.4506.8601")))
      {
        security_message( port: 0, data: "The target host was found to be vulnerable" );
        exit(0);
      }

      ## .NET Framework 3.5.1 for Windows 7 Service Pack 1 and Windows Server 2008 R2 Service Pack 1
      if((hotfix_check_sp(win7:2, win7x64:2, win2008r2:2) > 0) &&
         (version_in_range(version:dllv2, test_version:"3.0.4506.5000", test_version2:"3.0.4506.5460")||
          version_in_range(version:dllv2, test_version:"3.0.4506.7082", test_version2:"3.0.4506.7081")))
      {
        security_message( port: 0, data: "The target host was found to be vulnerable" );
        exit(0);
      }
    }
  }
}