CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:N/AC:M/Au:N/C:C/I:C/A:C
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
AI Score
Confidence
High
EPSS
Percentile
93.3%
This host is missing an important security
update according to Microsoft KB4011686
# SPDX-FileCopyrightText: 2018 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("1.3.6.1.4.1.25623.1.0.812905");
script_version("2023-07-20T05:05:17+0000");
script_cve_id("CVE-2018-0851");
script_tag(name:"cvss_base", value:"9.3");
script_tag(name:"cvss_base_vector", value:"AV:N/AC:M/Au:N/C:C/I:C/A:C");
script_tag(name:"last_modification", value:"2023-07-20 05:05:17 +0000 (Thu, 20 Jul 2023)");
script_tag(name:"severity_vector", value:"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H");
script_tag(name:"severity_origin", value:"NVD");
script_tag(name:"severity_date", value:"2020-08-24 17:37:00 +0000 (Mon, 24 Aug 2020)");
script_tag(name:"creation_date", value:"2018-02-14 10:01:49 +0530 (Wed, 14 Feb 2018)");
script_name("Microsoft Office 2016 Remote Code Execution Vulnerability (KB4011686)");
script_tag(name:"summary", value:"This host is missing an important security
update according to Microsoft KB4011686");
script_tag(name:"vuldetect", value:"Checks if a vulnerable version is present on the target host.");
script_tag(name:"insight", value:"The flaw exists due to an error in Microsoft
Office software when the Office software fails to properly handle objects in
memory.");
script_tag(name:"impact", value:"Successful exploitation will allow an attacker
who successfully exploited the vulnerability to run arbitrary code in the
context of the current user.");
script_tag(name:"affected", value:"Microsoft Office 2016.");
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_tag(name:"qod_type", value:"executable_version");
script_xref(name:"URL", value:"https://support.microsoft.com/en-us/help/4011686");
script_xref(name:"URL", value:"http://www.securityfocus.com/bid/102870");
script_category(ACT_GATHER_INFO);
script_copyright("Copyright (C) 2018 Greenbone AG");
script_family("Windows : Microsoft Bulletins");
script_dependencies("secpod_office_products_version_900032.nasl");
script_mandatory_keys("MS/Office/Ver");
script_require_ports(139, 445);
exit(0);
}
include("smb_nt.inc");
include("host_details.inc");
include("version_func.inc");
include("secpod_smb_func.inc");
officeVer = get_kb_item("MS/Office/Ver");
if(!officeVer){
exit(0);
}
if(officeVer =~ "^16\.")
{
os_arch = get_kb_item("SMB/Windows/Arch");
if("x86" >< os_arch){
key_list = make_list("SOFTWARE\Microsoft\Windows\CurrentVersion");
}
else if("x64" >< os_arch){
key_list = make_list("SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion",
"SOFTWARE\Microsoft\Windows\CurrentVersion");
}
foreach key(key_list)
{
propath = registry_get_sz(key:key, item:"ProgramFilesDir");
if(propath)
{
offPath = propath + "\Microsoft Office\root\VFS\ProgramFilesCommonX86\Microsoft Shared\Office16";
offdllVer = fetch_file_version(sysPath:offPath, file_name:"mso.dll");
if(!offdllVer || offdllVer !~ "^16\."){
exit(0);
}
if(version_is_less(version:offdllVer, test_version:"16.0.4654.1000"))
{
report = report_fixed_ver( file_checked:offPath + "\Mso.dll",
file_version:offdllVer, vulnerable_range:"16.0 - 16.0.4654.0999");
security_message(data:report);
exit(0);
}
}
}
}
exit(0);
CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:N/AC:M/Au:N/C:C/I:C/A:C
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
AI Score
Confidence
High
EPSS
Percentile
93.3%