MS16-113: Security Update for Windows Secure Kernel Mode (3185876)

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

include("compat.inc");

if (description)
{
  script_id(93472);
  script_version("1.7");
  script_cvs_date("Date: 2018/11/15 20:50:32");

  script_cve_id("CVE-2016-3344");
  script_bugtraq_id(92855);
  script_xref(name:"MSFT", value:"MS16-113");
  script_xref(name:"MSKB", value:"3185611");
  script_xref(name:"MSKB", value:"3185614");
  script_xref(name:"IAVA", value:"2016-A-0241");

  script_name(english:"MS16-113: Security Update for Windows Secure Kernel Mode (3185876)");
  script_summary(english:"Checks the version of ntoskrnl.exe.");

  script_set_attribute(attribute:"synopsis", value:
"The remote host is affected by an information disclosure
vulnerability.");
  script_set_attribute(attribute:"description", value:
"The remote Windows host is missing a security update. It is,
therefore, affected by an information disclosure vulnerability in the
Windows Secure Kernel Mode component due to improper handling of
objects in memory. A local attacker can exploit this, via a crafted
application, to disclose sensitive information from memory.");
  script_set_attribute(attribute:"see_also", value:"https://docs.microsoft.com/en-us/security-updates/SecurityBulletins/2016/ms16-113");
  script_set_attribute(attribute:"solution", value:
"Microsoft has released a set of patches for Windows 10.");
  script_set_cvss_base_vector("CVSS2#AV:L/AC:L/Au:N/C:P/I:N/A:N");
  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:L/I:N/A:N");
  script_set_cvss3_temporal_vector("CVSS:3.0/E:U/RL:O/RC:C");
  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:"2016/09/13");
  script_set_attribute(attribute:"patch_publication_date", value:"2016/09/13");
  script_set_attribute(attribute:"plugin_publication_date", value:"2016/09/13");

  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) 2016-2018 Tenable Network Security, Inc.");

  script_dependencies("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("misc_func.inc");

get_kb_item_or_exit("SMB/MS_Bulletin_Checks/Possible");

bulletin = 'MS16-113';
kbs = make_list("3185611", "3185614");

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

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

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

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

if (
  # 10 threshold 2 (aka 1511)
  hotfix_is_vulnerable(os:"10", sp:0, file:"ntoskrnl.exe", version:"10.0.10586.589", os_build:"10586", dir:"\system32", bulletin:bulletin, kb:"3185614") ||

  # 10 RTM
  hotfix_is_vulnerable(os:"10", sp:0, file:"ntoskrnl.exe", version:"10.0.10240.17113", os_build:"10240", dir:"\system32", bulletin:bulletin, kb:"3185611")
)
{
  set_kb_item(name:'SMB/Missing/'+bulletin, value:TRUE);
  hotfix_security_note();
  hotfix_check_fversion_end();
  exit(0);
}
else
{
  hotfix_check_fversion_end();
  audit(AUDIT_HOST_NOT, 'affected');
}