MS17-004: Security Update for Local Security Authority Subsystem Service (3216771)

#
# (C) Tenable Network Security, Inc.
#

include("compat.inc");

if (description)
{
  script_id(96393);
  script_version("1.9");
  script_cvs_date("Date: 2018/11/15 20:50:32");

  script_cve_id("CVE-2017-0004");
  script_bugtraq_id(95318);
  script_xref(name:"MSFT", value:"MS17-004");
  script_xref(name:"MSKB", value:"3216775");
  script_xref(name:"MSKB", value:"3212642");
  script_xref(name:"MSKB", value:"3212646");
  script_xref(name:"IAVB", value:"2017-B-0005");

  script_name(english:"MS17-004: Security Update for Local Security Authority Subsystem Service (3216771)");
  script_summary(english:"Checks the file versions.");

  script_set_attribute(attribute:"synopsis", value:
"The remote Windows host is affected multiple vulnerabilities.");
  script_set_attribute(attribute:"description", value:
"The remote Windows host is missing a security update. It is,
therefore, affected by a denial of service vulnerability in the Local
Security Authority Subsystem Service (LSASS) component due to improper
handling of authentication requests. An unauthenticated, remote
attacker can exploit this to trigger a reboot of the system.");
  script_set_attribute(attribute:"see_also", value:"https://docs.microsoft.com/en-us/security-updates/SecurityBulletins/2017/ms17-004");
  script_set_attribute(attribute:"solution", value:
"Microsoft has released a set of patches for Windows Vista, 2008, 7,
and 2008 R2.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:C");
  script_set_cvss_temporal_vector("CVSS2#E:F/RL:OF/RC:C");
  script_set_cvss3_base_vector("CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H");
  script_set_cvss3_temporal_vector("CVSS:3.0/E:F/RL:O/RC:C");
  script_set_attribute(attribute:"exploitability_ease", value:"Exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"true");
  script_set_attribute(attribute:"exploit_framework_core", value:"true");

  script_set_attribute(attribute:"vuln_publication_date",value:"2017/01/10");
  script_set_attribute(attribute:"patch_publication_date",value:"2017/01/10");
  script_set_attribute(attribute:"plugin_publication_date", value:"2017/01/10");

  script_set_attribute(attribute:"plugin_type",value:"local");
  script_set_attribute(attribute:"cpe",value:"cpe:/o:microsoft:windows");
  script_set_attribute(attribute:"stig_severity", value:"I");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_family(english:"Windows : Microsoft Bulletins");

  script_copyright(english:"This script is Copyright (C) 2017-2018 Tenable Network Security, Inc.");

  script_dependencies("smb_hotfixes.nasl", "ms_bulletin_checks_possible.nasl", "smb_check_rollup.nasl");
  script_require_keys("SMB/MS_Bulletin_Checks/Possible");
  script_require_ports(139, 445, "Host/patch_management_checks");

  exit(0);
}

include("audit.inc");
include("smb_hotfixes_fcheck.inc");
include("smb_hotfixes.inc");
include("smb_func.inc");
include("misc_func.inc");

get_kb_item_or_exit("SMB/MS_Bulletin_Checks/Possible");

bulletin = 'MS17-004';
kbs = make_list(
  '3216775',
  '3212642',
  '3212646'
);

if (get_kb_item("Host/patch_management_checks")) hotfix_check_3rd_party(bulletin:bulletin, kbs:kbs, severity:SECURITY_HOLE);

get_kb_item_or_exit("SMB/Registry/Enumerated");
get_kb_item_or_exit("SMB/WindowsVersion", exit_code:1);

if (hotfix_check_sp_range(vista:'2', win7:'1') <= 0) audit(AUDIT_OS_SP_NOT_VULN);

share = hotfix_get_systemdrive(as_share:TRUE, exit_on_fail:TRUE);
if (!is_accessible_share(share:share)) audit(AUDIT_SHARE_FAIL, share);

if (
  # Vista / Windows Server 2008
  hotfix_is_vulnerable(os:"6.0", sp:2, file:"Schannel.dll", version:"6.0.6002.19678", min_version:"6.0.6002.18000", dir:"\system32", bulletin:bulletin, kb:"3216775") ||
  hotfix_is_vulnerable(os:"6.0", sp:2, file:"Schannel.dll", version:"6.0.6002.24048", min_version:"6.0.6002.20000", dir:"\system32", bulletin:bulletin, kb:"3216775") ||
  # Windows 7 / Server 2008 R2
  smb_check_rollup(os:"6.1", sp:1, rollup_date:"01_2017", bulletin:bulletin, rollup_kb_list:make_list(3212642, 3212646))
  )
{
  set_kb_item(name:'SMB/Missing/'+bulletin, value:TRUE);
  hotfix_security_hole();
  hotfix_check_fversion_end();
  exit(0);
}
else
{
  hotfix_check_fversion_end();
  audit(AUDIT_HOST_NOT, hotfix_get_audit_report());
}