MS16-150: Security Update for Secure Kernel Mode (3205642)

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

include("compat.inc");

if (description)
{
  script_id(95767);
  script_version("1.9");
  script_cvs_date("Date: 2019/11/13");

  script_cve_id("CVE-2016-7271");
  script_bugtraq_id(94734);
  script_xref(name:"MSFT", value:"MS16-150");
  script_xref(name:"MSKB", value:"3205383");
  script_xref(name:"MSKB", value:"3205386");
  script_xref(name:"MSKB", value:"3206632");
  script_xref(name:"IAVA", value:"2016-A-0348");

  script_name(english:"MS16-150: Security Update for Secure Kernel Mode (3205642)");
  script_summary(english:"Checks for the December 2016 Rollup.");

  script_set_attribute(attribute:"synopsis", value:
"The remote host is affected by an elevation of privilege
vulnerability.");
  script_set_attribute(attribute:"description", value:
"The remote Windows host is missing a security update. It is,
therefore, affected by an elevation of privilege vulnerability in
Windows Secure Kernel Mode due to improper handling of objects in
memory. A local attacker can exploit this, via a specially crafted
application, to bypass virtual trust levels (VTL).");
  script_set_attribute(attribute:"see_also", value:"https://docs.microsoft.com/en-us/security-updates/SecurityBulletins/2016/ms16-150");
  script_set_attribute(attribute:"solution", value:
"Microsoft has released a set of patches for Windows 10 and 2016.");
  script_set_cvss_base_vector("CVSS2#AV:L/AC:L/Au:N/C:P/I:P/A:P");
  script_set_cvss_temporal_vector("CVSS2#E:U/RL:OF/RC:C");
  script_set_cvss3_base_vector("CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H");
  script_set_cvss3_temporal_vector("CVSS:3.0/E:U/RL:O/RC:C");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2016-7271");

  script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"false");

  script_set_attribute(attribute:"vuln_publication_date", value:"2016/12/13");
  script_set_attribute(attribute:"patch_publication_date", value:"2016/12/13");
  script_set_attribute(attribute:"plugin_publication_date", value:"2016/12/13");

  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:"II");
  script_end_attributes();

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

  script_copyright(english:"This script is Copyright (C) 2016-2019 and is owned by Tenable, Inc. or an Affiliate thereof.");

  script_dependencies("smb_check_rollup.nasl", "smb_hotfixes.nasl", "ms_bulletin_checks_possible.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("smb_reg_query.inc");
include("misc_func.inc");

get_kb_item_or_exit("SMB/MS_Bulletin_Checks/Possible");

bulletin = 'MS16-150';
kbs = make_list(
  '3205383', # 10
  '3205386', # 10 Version 1511
  '3206632'  # 10 Version 1607, Server 2016
);

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

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

if (hotfix_check_sp_range(win10:'0') <= 0) audit(AUDIT_OS_SP_NOT_VULN);

if (hotfix_check_server_nano() == 1) audit(AUDIT_OS_NOT, "a currently supported OS (Windows Nano Server)");

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

if (
  # Windows 10 / Server 2016
  smb_check_rollup(os:"10", sp:0, os_build:"10240", rollup_date:"12_2016", bulletin:bulletin, rollup_kb_list:make_list(3205383)) ||
  smb_check_rollup(os:"10", sp:0, os_build:"10586", rollup_date:"12_2016", bulletin:bulletin, rollup_kb_list:make_list(3205386)) ||
  smb_check_rollup(os:"10", sp:0, os_build:"14393", rollup_date:"12_2016", bulletin:bulletin, rollup_kb_list:make_list(3206632))
)
{
  set_kb_item(name:'SMB/Missing/'+bulletin, value:TRUE);
  hotfix_security_warning();
  hotfix_check_fversion_end();
}
else
{
  hotfix_check_fversion_end();
  audit(AUDIT_HOST_NOT, hotfix_get_audit_report());
}