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openvasCopyright (C) 2017 Greenbone Networks GmbHOPENVAS:1361412562310811829
HistorySep 14, 2017 - 12:00 a.m.

Microsoft .NET Framework Remote Code Execution Vulnerability (KB4041086)

2017-09-1400:00:00
Copyright (C) 2017 Greenbone Networks GmbH
plugins.openvas.org
81

0.97 High

EPSS

Percentile

99.7%

This host is missing a critical security
update according to Microsoft Security Updates KB4041086.

###############################################################################
# OpenVAS Vulnerability Test
#
# Microsoft .NET Framework Remote Code Execution Vulnerability (KB4041086)
#
# Authors:
# Rinu Kuriakose <[email protected]>
#
# Copyright:
# Copyright (C) 2017 Greenbone Networks GmbH, http://www.greenbone.net
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License version 2
# (or any later version), as published by the Free Software Foundation.
#
# 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("1.3.6.1.4.1.25623.1.0.811829");
  script_version("2019-12-20T10:24:46+0000");
  script_cve_id("CVE-2017-8759");
  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:"2019-12-20 10:24:46 +0000 (Fri, 20 Dec 2019)");
  script_tag(name:"creation_date", value:"2017-09-14 10:52:54 +0530 (Thu, 14 Sep 2017)");
  script_name("Microsoft .NET Framework Remote Code Execution Vulnerability (KB4041086)");

  script_tag(name:"summary", value:"This host is missing a critical security
  update according to Microsoft Security Updates KB4041086.");

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

  script_tag(name:"insight", value:"Flaw exists as when Microsoft .NET Framework
  processes untrusted input.");

  script_tag(name:"impact", value:"Successful exploitation will allow remote
  attackers to take control of an 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 .NET Framework 4.5.2

  - Microsoft .NET Framework 4.6");

  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/help/4041086");
  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2017 Greenbone Networks GmbH");
  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(win2008:3, win2008x64:3) <= 0){
  exit(0);
}

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

foreach item (registry_enum_keys(key:key))
{
  dotPath = registry_get_sz(key:key + item, item:"Path");
  if(dotPath && "\Microsoft.NET\Framework" >< dotPath)
  {
    sysdllVer = fetch_file_version(sysPath:dotPath, file_name:"system.runtime.remoting.dll");
    if(!sysdllVer){
      exit(0);
    }

    ## .NET Framework 4.6 for Windows Server 2008  x64-based Systems Service Pack 2
    if(hotfix_check_sp(win2008x64:3) > 0 && version_in_range(version:sysdllVer, test_version:"4.6", test_version2:"4.7.2113"))
    {
       VULN = TRUE ;
       vulnerable_range = "4.6 - 4.7.2113";
    }

    ## .NET Framework 4.5.2 for Windows Server 2008  32-bit and x64-based Systems Service Pack 2
    else if(version_in_range(version:sysdllVer, test_version:"4.0.30319.30000", test_version2:"4.0.30319.36414"))
    {
       VULN = TRUE ;
       vulnerable_range = "4.0.30319.30000 - 4.0.30319.36414";
    }

    if(VULN)
    {
      report = 'File checked:     ' + dotPath + "\system.runtime.remoting.dll" + '\n' +
               'File version:     ' + sysdllVer  + '\n' +
               'Vulnerable range: ' + vulnerable_range + '\n' ;
      security_message(data:report);
      exit(0);
    }
  }
}

0.97 High

EPSS

Percentile

99.7%

Related for OPENVAS:1361412562310811829