Microsoft Windows Active Directory Service Denial of Service Vulnerability (3072595)

# SPDX-FileCopyrightText: 2015 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("1.3.6.1.4.1.25623.1.0.806044");
  script_version("2023-07-25T05:05:58+0000");
  script_cve_id("CVE-2015-2535");
  script_tag(name:"cvss_base", value:"4.0");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:S/C:N/I:N/A:P");
  script_tag(name:"last_modification", value:"2023-07-25 05:05:58 +0000 (Tue, 25 Jul 2023)");
  script_tag(name:"creation_date", value:"2015-09-09 08:24:16 +0530 (Wed, 09 Sep 2015)");
  script_tag(name:"qod_type", value:"executable_version");
  script_name("Microsoft Windows Active Directory Service Denial of Service Vulnerability (3072595)");

  script_tag(name:"summary", value:"This host is missing an important security
  update according to Microsoft Bulletin MS15-096.");

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

  script_tag(name:"insight", value:"The flaw is due to improper resource
  management by the affected software while creating multiple machine accounts.");

  script_tag(name:"impact", value:"Successful exploitation will allow an
  the attacker to cause the service to become non-responsive, resulting in
  denial-of-service conditions.");

  script_tag(name:"affected", value:"- Microsoft Windows Server 2012

  - Microsoft Windows Server 2012R2

  - Microsoft Windows Server 2008 x32/x64 Edition Service Pack 2 and prior

  - Microsoft Windows Server 2008 R2 x64 Edition Service Pack 1 and prior");

  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/3072595");
  script_xref(name:"URL", value:"https://technet.microsoft.com/library/security/MS15-096");

  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2015 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(win2008:3, win2008r2:2, win2012:1, win2012R2:1) <= 0){
  exit(0);
}

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

dllVer = fetch_file_version(sysPath:sysPath, file_name:"system32\Samsrv.dll");

if(!dllVer) exit(0);

if(dllVer =~ "^(6\.0\.6002\.1)"){
  Vulnerable_range = "6.0.6002.18000 - 6.0.6002.19467";
}
else if (dllVer =~ "^(6\.0\.6002\.2)"){
  Vulnerable_range = "6.0.6002.23000 - 6.0.6002.23776";
}
else if (dllVer =~ "^(6\.1\.7601\.1)"){
  Vulnerable_range = "6.1.7601.18000 - 6.1.7601.18956";
}
else if (dllVer =~ "^(6\.1\.7601\.2)"){
  Vulnerable_range = "6.1.7601.22000 - 6.1.7601.23158";
}
else if (dllVer =~ "^(6\.2\.9200\.1)"){
  Vulnerable_range = "6.2.9200.16000 - 6.2.9200.17469";
}
else if (dllVer =~ "^(6\.2\.9200\.2)"){
  Vulnerable_range = "6.2.9200.20000 - 6.2.9200.21584";
}
else if (dllVer =~ "^(6\.3\.9200\.1)"){
  Vulnerable_range = "6.3.9200.16000 - 6.3.9600.18009";
}


## Currently not supporting for Windows Server 2008 64 bit
if(hotfix_check_sp(win2008:3) > 0)
{
  if(version_is_less(version:dllVer, test_version:"6.0.6002.19467") ||
     version_in_range(version:dllVer, test_version:"6.0.6002.23000", test_version2:"6.0.6002.23776")){
    VULN = TRUE ;
  }
}

if(hotfix_check_sp(win2008r2:2) > 0)
{
  if(version_is_less(version:dllVer, test_version:"6.1.7601.18956") ||
     version_in_range(version:dllVer, test_version:"6.1.7601.22000", test_version2:"6.1.7601.23158")){
    VULN = TRUE ;
  }
}

if(hotfix_check_sp(win2012:1) > 0)
{
  if(version_is_less(version:dllVer, test_version:"6.2.9200.17469") ||
     version_in_range(version:dllVer, test_version:"6.2.9200.20000", test_version2:"6.2.9200.21584")){
    VULN = TRUE ;
  }
}

if(hotfix_check_sp(win2012R2:1) > 0)
{
  if(version_is_less(version:dllVer, test_version:"6.3.9600.18009")){
    VULN = TRUE;
  }
}

if(VULN)
{
  report = 'File checked:     ' + sysPath + "\system32\Samsrv.dll" + '\n' +
           'File version:     ' + dllVer  + '\n' +
           'Vulnerable range: ' + Vulnerable_range + '\n' ;
  security_message(data:report);
  exit(0);
}