Microsoft Windows SMB Server NTLM Multiple Vulnerabilities (971468)

###############################################################################
# OpenVAS Vulnerability Test
# $Id: secpod_ms10-012-remote.nasl 11684 2010-10-15 16:45:43Z oct$
#
# Microsoft Windows SMB Server NTLM  Multiple Vulnerabilities (971468)
#
# Authors:
# Antu Sanadi <[email protected]>
# Chandrashekhar B <[email protected]>
#
# Copyright:
# Copyright (c) 2010 SecPod, http://www.secpod.com
#
# 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.
###############################################################################

tag_impact = "Successful exploitation will allow remote attackers to execute arbitrary
  code or cause a denial of service or bypass the authentication mechanism
  via brute force technique.
  Impact Level: System/Application";
tag_affected = "Microsoft Windows 7
  Microsoft Windows 2000 Service Pack and prior
  Microsoft Windows XP Service Pack 3 and prior
  Microsoft Windows Vista Service Pack 2 and prior
  Microsoft Windows Server 2003 Service Pack 2 and prior
  Microsoft Windows Server 2008 Service Pack 2 and prior";
tag_insight = "- An input validation error exists while processing SMB requests and can
    be exploited to cause a buffer overflow via a specially crafted SMB packet.
  - An error exists in the SMB implementation while parsing SMB packets during
    the Negotiate phase causing memory corruption via a specially crafted SMB
    packet.
  - NULL pointer dereference error exists in SMB while verifying the 'share'
    and 'servername' fields in SMB packets causing denial of service.
  - A lack of cryptographic entropy when the SMB server generates challenges
    during SMB NTLM authentication and can be exploited to bypass the
    authentication mechanism.";
tag_solution = "Run Windows Update and update the listed hotfixes or download and
  update mentioned hotfixes in the advisory from the below link,
  http://www.microsoft.com/technet/security/bulletin/ms10-012.mspx";
tag_summary = "This host is missing a critical security update according to
  Microsoft Bulletin MS10-012.";

if(description)
{
  script_id(902269);
  script_version("$Revision: 7550 $");
  script_tag(name:"last_modification", value:"$Date: 2017-10-24 14:17:52 +0200 (Tue, 24 Oct 2017) $");
  script_tag(name:"creation_date", value:"2010-10-22 15:51:55 +0200 (Fri, 22 Oct 2010)");
  script_cve_id("CVE-2010-0020", "CVE-2010-0021", "CVE-2010-0022", "CVE-2010-0231");
  script_tag(name:"cvss_base", value:"10.0");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:N/C:C/I:C/A:C");
  script_name("Microsoft Windows SMB Server NTLM Multiple Vulnerabilities (971468)");

  script_xref(name : "URL" , value : "http://secunia.com/advisories/38510/");
  script_xref(name : "URL" , value : "http://support.microsoft.com/kb/971468");
  script_xref(name : "URL" , value : "http://www.vupen.com/english/advisories/2010/0345");
  script_xref(name : "URL" , value : "http://www.microsoft.com/technet/security/bulletin/ms10-012.mspx");

  script_category(ACT_ATTACK);
  script_copyright("Copyright (C) 2010 SecPod");
  script_family("Windows : Microsoft Bulletins");
  script_dependencies("os_detection.nasl");
  script_require_ports(445);
  script_mandatory_keys("Host/runs_windows");
  script_tag(name : "impact" , value : tag_impact);
  script_tag(name : "affected" , value : tag_affected);
  script_tag(name : "insight" , value : tag_insight);
  script_tag(name : "solution" , value : tag_solution);
  script_tag(name : "summary" , value : tag_summary);
  script_tag(name:"qod_type", value:"remote_app");
  script_tag(name:"solution_type", value:"VendorFix");
  script_timeout(360);
  exit(0);
}


include("smb_nt.inc");
include("host_details.inc");

## default port
port = "445";

## check port status
if(!get_port_state(port)){
  exit(0);
}

i = 0;
complet_key = "";

while(i < 5000)
{
  ## open socket
  soc = open_sock_tcp(port);
  if(!soc){
    exit(0);
  }

  ## construct the SMB negotiate request
  data = raw_string(0x00, 0x00, 0x00, 0x54, 0xff, 0x53, 0x4d, 0x42,
                    0x72, 0x00, 0x00, 0x00, 0x00, 0x18, 0x01, 0xc0,
                    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x86, 0x61,
                    0x00, 0x00, 0x54, 0x80, 0x00, 0x31, 0x00, 0x02,
                    0x4c, 0x41, 0x4e, 0x4d, 0x41, 0x4e, 0x31, 0x2e,
                    0x30, 0x00, 0x02, 0x4c, 0x4d, 0x31, 0x2e, 0x32,
                    0x58, 0x30, 0x30, 0x32, 0x00, 0x02, 0x4e, 0x54,
                    0x20, 0x4c, 0x41, 0x4e, 0x4d, 0x41, 0x4e, 0x20,
                    0x31, 0x2e, 0x30, 0x00, 0x02, 0x4e, 0x54, 0x20,
                    0x4c, 0x4d, 0x20, 0x30, 0x2e, 0x31, 0x32, 0x00);

  ## send the crafted raw data
  send(socket: soc, data: data);
  resp = smb_recv(socket:soc);

  close(soc);

  if(resp)
  {
    ## grep for the encryption key(challenge response) from response
    response = raw_string(substr(resp, 73, 73 + 7));
    if(response)
    {
      key_found = hexstr(response);

      ##  match the duplicate key
      if(key_found >< complet_key)
      {
        security_message(port:port);
        exit(0);
      }
    }

    ## If key does not match, add key to the list
    complet_key = complet_key + " " + key_found;
  }
  i++;
}