Vulnerabilities > CVE-2017-0081 - Local Privilege Escalation vulnerability in Microsoft Windows Kernel 'Win32k.sys'

047910
CVSS 7.2 - HIGH
Attack vector
LOCAL
Attack complexity
LOW
Privileges required
NONE
Confidentiality impact
COMPLETE
Integrity impact
COMPLETE
Availability impact
COMPLETE
local
low complexity
microsoft
nessus

Summary

The kernel-mode drivers in Microsoft Windows 8.1; Windows Server 2012 Gold and R2; Windows RT 8.1; Windows 10 Gold, 1511, and 1607; and Windows Server 2016 allow local users to gain privileges via a crafted application, aka "Win32k Elevation of Privilege Vulnerability." This vulnerability is different from those described in CVE-2017-0024, CVE-2017-0026, CVE-2017-0056, CVE-2017-0078, CVE-2017-0079, CVE-2017-0080, CVE-2017-0082.

Msbulletin

bulletin_idMS17-018
bulletin_url
date2017-03-14T00:00:00
impactElevation of Privilege
knowledgebase_id4013083
knowledgebase_url
severityImportant
titleSecurity Update for Windows Kernel-Mode Drivers

Nessus

NASL familyWindows : Microsoft Bulletins
NASL idSMB_NT_MS17-018.NASL
descriptionThe remote Windows host is missing a security update. It is, therefore, affected by multiple elevation of privilege vulnerabilities in the Windows kernel-mode driver due to improper handling of objects in memory. A local attacker can exploit this, via a specially crafted application, to run arbitrary code in kernel mode.
last seen2020-06-01
modified2020-06-02
plugin id97738
published2017-03-15
reporterThis script is Copyright (C) 2017-2018 Tenable Network Security, Inc.
sourcehttps://www.tenable.com/plugins/nessus/97738
titleMS17-018: Security Update for Windows Kernel-Mode Drivers (4013083)
code
#
# (C) Tenable Network Security, Inc.
#

include("compat.inc");

if (description)
{
  script_id(97738);
  script_version("1.8");
  script_cvs_date("Date: 2018/07/30 15:31:34");

  script_cve_id(
    "CVE-2017-0024",
    "CVE-2017-0026",
    "CVE-2017-0056",
    "CVE-2017-0078",
    "CVE-2017-0079",
    "CVE-2017-0080",
    "CVE-2017-0081",
    "CVE-2017-0082"
  );
  script_bugtraq_id(
    96029,
    96032,
    96630,
    96631,
    96632,
    96633,
    96634,
    96635
  );
  script_xref(name:"MSFT", value:"MS17-018");
  script_xref(name:"MSKB", value:"4012497");
  script_xref(name:"MSKB", value:"4012212");
  script_xref(name:"MSKB", value:"4012213");
  script_xref(name:"MSKB", value:"4012214");
  script_xref(name:"MSKB", value:"4012215");
  script_xref(name:"MSKB", value:"4012216");
  script_xref(name:"MSKB", value:"4012217");
  script_xref(name:"MSKB", value:"4012606");
  script_xref(name:"MSKB", value:"4013198");
  script_xref(name:"MSKB", value:"4013429");
  script_xref(name:"IAVA", value:"2017-A-0069");

  script_name(english:"MS17-018: Security Update for Windows Kernel-Mode Drivers (4013083)");
  script_summary(english:"Checks the file versions.");

  script_set_attribute(attribute:"synopsis", value:
"The remote Windows host is affected multiple elevation of privilege
vulnerabilities.");
  script_set_attribute(attribute:"description", value:
"The remote Windows host is missing a security update. It is,
therefore, affected by multiple elevation of privilege vulnerabilities
in the Windows kernel-mode driver due to improper handling of objects
in memory. A local attacker can exploit this, via a specially crafted
application, to run arbitrary code in kernel mode.");
  script_set_attribute(attribute:"see_also", value:"https://technet.microsoft.com/library/security/ms17-018");
  script_set_attribute(attribute:"solution", value:
"Microsoft has released a set of patches for Windows Vista, 2008, 7,
2008 R2, 2012, 8.1, RT 8.1, 2012 R2, 10, and 2016.");
  script_set_cvss_base_vector("CVSS2#AV:L/AC:L/Au:N/C:C/I:C/A:C");
  script_set_cvss_temporal_vector("CVSS2#E:H/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:H/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:"exploited_by_malware", value:"true");

  script_set_attribute(attribute:"vuln_publication_date", value:"2017/03/14");
  script_set_attribute(attribute:"patch_publication_date", value:"2017/03/14");
  script_set_attribute(attribute:"plugin_publication_date", value:"2017/03/15");

  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) 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 = 'MS17-018';
kbs = make_list(
  '4012497',
  '4012212',
  '4012213',
  '4012214',
  '4012215',
  '4012216',
  '4012217',
  '4012606',
  '4013198',
  '4013429'
);

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', win8:'0', win81:'0', win10:'0') <= 0) audit(AUDIT_OS_SP_NOT_VULN);

# Windows 8 EOL
productname = get_kb_item_or_exit("SMB/ProductName", exit_code:1);
if ("Windows 8" >< productname && "8.1" >!< productname) 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);

date = "03_2017";
if (
  # Vista / Windows Server 2008
  hotfix_is_vulnerable(os:"6.0", sp:2, file:"win32k.sys", version:"6.0.6002.19741", min_version:"6.0.6002.18000", dir:"\system32", bulletin:bulletin, kb:"4012497") ||
  hotfix_is_vulnerable(os:"6.0", sp:2, file:"win32k.sys", version:"6.0.6002.24065", min_version:"6.0.6002.20000", dir:"\system32", bulletin:bulletin, kb:"4012497") ||
  # Windows 7 / Server 2008 R2
  smb_check_rollup(os:"6.1", sp:1, rollup_date:date, bulletin:bulletin, rollup_kb_list:make_list(4012212, 4012215)) ||
  # Windows 8.1 / Server 2012 R2
  smb_check_rollup(os:"6.3", sp:0, rollup_date:date, bulletin:bulletin, rollup_kb_list:make_list(4012213, 4012216)) ||
  # Server 2012
  smb_check_rollup(os:"6.2", sp:0, rollup_date:date, bulletin:bulletin, rollup_kb_list:make_list(4012214, 4012217)) ||
  # Windows 10
  smb_check_rollup(os:"10", sp:0, os_build:"10240", rollup_date:date, bulletin:bulletin, rollup_kb_list:make_list(4012606)) ||
  # Windows 10 1511
  smb_check_rollup(os:"10", sp:0, os_build:"10586", rollup_date:date, bulletin:bulletin, rollup_kb_list:make_list(4013198)) ||
  # Windows 10 1607 / Server 2016 x64
  smb_check_rollup(os:"10", sp:0, os_build:"14393", rollup_date:date, bulletin:bulletin, rollup_kb_list:make_list(4013429))
  )
{
  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());
}