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:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
AI Score
Confidence
High
EPSS
Percentile
93.6%
This host is missing an important security
update according to Microsoft KB4484273
# Copyright (C) 2020 Greenbone Networks GmbH
# 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-or-later
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
if(description)
{
script_oid("1.3.6.1.4.1.25623.1.0.815594");
script_version("2021-08-12T06:00:50+0000");
script_cve_id("CVE-2020-0906", "CVE-2020-0760");
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:"2021-08-12 06:00:50 +0000 (Thu, 12 Aug 2021)");
script_tag(name:"severity_vector", value:"CVSS:3.1/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:"2020-04-17 20:57:00 +0000 (Fri, 17 Apr 2020)");
script_tag(name:"creation_date", value:"2020-04-15 10:54:43 +0530 (Wed, 15 Apr 2020)");
script_name("Microsoft Excel 2016 Remote Code Execution Vulnerabilities (KB4484273)");
script_tag(name:"summary", value:"This host is missing an important security
update according to Microsoft KB4484273");
script_tag(name:"vuldetect", value:"Checks if a vulnerable version is present
on the target host.");
script_tag(name:"insight", value:"Multiple flaws due to:
- A remote code execution vulnerability exists when Microsoft Office
improperly loads arbitrary type libraries.
- A remote code execution vulnerability exists in Microsoft Excel software
when the software fails to properly handle objects in memory.");
script_tag(name:"impact", value:"Successful exploitation will allow an attacker
to execute arbitrary code in the context of the current user.");
script_tag(name:"affected", value:"Microsoft Excel 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/4484273");
script_category(ACT_GATHER_INFO);
script_copyright("Copyright (C) 2020 Greenbone Networks GmbH");
script_family("Windows : Microsoft Bulletins");
script_dependencies("secpod_office_products_version_900032.nasl");
script_mandatory_keys("SMB/Office/Excel/Version");
exit(0);
}
include("host_details.inc");
include("version_func.inc");
excelVer = get_kb_item("SMB/Office/Excel/Version");
if(!excelVer){
exit(0);
}
excelPath = get_kb_item("SMB/Office/Excel/Install/Path");
if(!excelPath){
excelPath = "Unable to fetch the install path";
}
if(version_in_range(version:excelVer, test_version:"16.0", test_version2:"16.0.4993.1000"))
{
report = report_fixed_ver(file_checked:excelPath + "Excel.exe",
file_version:excelVer, vulnerable_range:"16.0 - 16.0.4993.1000");
security_message(data:report);
exit(0);
}
exit(99);
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:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
AI Score
Confidence
High
EPSS
Percentile
93.6%