Microsoft Exchange Server Information Disclosure Vulnerabilities (3185883)

# 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
CPE = "cpe:/a:microsoft:exchange_server";

if(description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.809314");
  script_version("2023-07-20T05:05:17+0000");
  script_cve_id("CVE-2016-0138");
  script_tag(name:"cvss_base", value:"4.0");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:S/C:P/I:N/A:N");
  script_tag(name:"last_modification", value:"2023-07-20 05:05:17 +0000 (Thu, 20 Jul 2023)");
  script_tag(name:"severity_vector", value:"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/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:"2016-09-14 10:21:52 +0530 (Wed, 14 Sep 2016)");
  script_tag(name:"qod_type", value:"executable_version");
  script_name("Microsoft Exchange Server Information Disclosure Vulnerabilities (3185883)");

  script_tag(name:"summary", value:"This host is missing an important security
  update according to Microsoft Bulletin MS16-108.");

  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 that Microsoft
  Exchange Server parses email messages.");

  script_tag(name:"impact", value:"Successful exploitation will allow remote
  an attacker to discover confidential user information that is contained in
  Microsoft Outlook applications.");

  script_tag(name:"affected", value:"- Microsoft Exchange Server 2007 Service Pack 3

  - Microsoft Exchange Server 2010 Service Pack 3

  - Microsoft Exchange Server 2013 Service Pack 1

  - Microsoft Exchange Server 2013 Cumulative Update 12

  - Microsoft Exchange Server 2013 Cumulative Update 13

  - Microsoft Exchange Server 2016 Cumulative Update 1

  - Microsoft Exchange Server 2016 Cumulative Update 2");

  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_xref(name:"URL", value:"https://support.microsoft.com/en-us/kb/3184736");
  script_xref(name:"URL", value:"http://www.securityfocus.com/bid/92806");
  script_xref(name:"URL", value:"https://technet.microsoft.com/library/security/MS16-108");

  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2016 Greenbone AG");
  script_family("Windows : Microsoft Bulletins");
  script_dependencies("gb_ms_exchange_server_detect.nasl");
  script_require_ports(139, 445);
  script_mandatory_keys("MS/Exchange/Server/Ver");
  exit(0);
}

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

exchangePath = get_app_location(cpe:CPE, skip_port:TRUE);
if(!exchangePath || "Could not find the install location" >< exchangePath){
  exit(0);
}

cum_update = get_kb_item("MS/Exchange/Cumulative/Update/no");

exeVer = fetch_file_version(sysPath:exchangePath, file_name:"Bin\ExSetup.exe");
if(exeVer)
{
  ## Exchange server 2007 SP3
  if(version_in_range(version:exeVer, test_version:"8.0", test_version2:"8.3.485.0"))
  {
    Vulnerable_range = "8.0 - 8.3.485.0";
    VULN = TRUE ;
  }

  ##Exchange server 2010 SP3
  else if(version_in_range(version:exeVer, test_version:"14.0", test_version2:"14.3.319.1"))
  {
    Vulnerable_range = "14.0 - 14.3.319.2";
    VULN = TRUE ;
  }

  ## Exchange Server 2013
  if(version_in_range(version:exeVer, test_version:"15.0", test_version2:"15.0.847.49"))
  {
    Vulnerable_range = "15.0 - 15.0.847.50";
    VULN = TRUE ;
  }

  ## Exchange Server 2013 CU 13
  else if(exeVer =~ "^(15.0)" && "Cumulative Update 13" >< cum_update)
  {
    if(version_is_less(version:exeVer, test_version:"15.0.1210.6"))
    {
      Vulnerable_range = "Less than 15.0.1210.6";
      VULN = TRUE ;
    }
  }

  ## Exchange Server 2013 CU 12
  else if(exeVer =~ "^(15.0)" && "Cumulative Update 12" >< cum_update)
  {
    if(version_is_less(version:exeVer, test_version:"15.0.1178.9"))
    {
      Vulnerable_range = "Less than 15.0.1178.9";
      VULN = TRUE ;
    }
  }

  ##Exchange Server 2016 CU 1
  else if(exeVer =~ "^(15.1)" && "Cumulative Update 1" >< cum_update)
  {
    if(version_is_less(version:exeVer, test_version:"15.1.396.37"))
    {
      Vulnerable_range = "Less than 15.1.396.37";
      VULN = TRUE ;
    }
  }

  ##Exchange Server 2016 CU 2
  else if(exeVer =~ "^(15.1)" && "Cumulative Update 2" >< cum_update)
  {
    if(version_is_less(version:exeVer, test_version:"15.1.466.37"))
    {
      Vulnerable_range = "Less than 15.1.466.37";
      VULN = TRUE ;
    }
  }

}

if(VULN)
{
  report = 'File checked:     ' + exchangePath + "\Bin\ExSetup.exe" + '\n' +
           'File version:     ' + exeVer  + '\n' +
           'Vulnerable range: ' + Vulnerable_range + '\n' ;
  security_message(data:report);
  exit(0);
}