7.8 High
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
6.8 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:M/Au:N/C:P/I:P/A:P
0.096 Low
EPSS
Percentile
94.7%
This host is missing an important security
update according to Microsoft KB4493202
# Copyright (C) 2021 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("1.3.6.1.4.1.25623.1.0.818902");
script_version("2021-10-21T08:03:33+0000");
script_cve_id("CVE-2021-40485");
script_tag(name:"cvss_base", value:"6.8");
script_tag(name:"cvss_base_vector", value:"AV:N/AC:M/Au:N/C:P/I:P/A:P");
script_tag(name:"last_modification", value:"2021-10-21 08:03:33 +0000 (Thu, 21 Oct 2021)");
script_tag(name:"severity_vector", value:"CVSS:3.1/AV:L/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:"2021-10-19 15:46:00 +0000 (Tue, 19 Oct 2021)");
script_tag(name:"creation_date", value:"2021-10-13 12:01:31 +0530 (Wed, 13 Oct 2021)");
script_name("Microsoft SharePoint Foundation 2013 SP1 Multiple Vulnerabilities (KB4493202)");
script_tag(name:"summary", value:"This host is missing an important security
update according to Microsoft KB4493202");
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 presence of an error
when a modified file is opened in Microsoft SharePoint Foundation.");
script_tag(name:"impact", value:"Successful exploitation will allow an attacker
to execute arbitrary code on the affected system.");
script_tag(name:"affected", value:"Microsoft SharePoint Foundation 2013 SP1.");
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/4493202");
script_category(ACT_GATHER_INFO);
script_copyright("Copyright (C) 2021 Greenbone Networks GmbH");
script_family("Windows : Microsoft Bulletins");
script_dependencies("gb_ms_sharepoint_sever_n_foundation_detect.nasl");
script_mandatory_keys("MS/SharePoint/Server/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");
if(!infos = get_app_version_and_location(cpe:'cpe:/a:microsoft:sharepoint_server', exit_no_version:TRUE)) exit(0);
shareVer = infos['version'];
path = infos['location'];
if(!path|| "Could not find the install location" >< path)
{
path = registry_get_sz(key:"SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Office15.OSERVER",
item:"InstallLocation");
if(!path){
exit(0);
}
}
if(shareVer =~ "^15\.")
{
dllVer = fetch_file_version(sysPath:path,
file_name:"\15.0\WebServices\ConversionServices\msoserver.dll");
if(dllVer && dllVer =~ "^15\.")
{
if(version_is_less(version:dllVer, test_version:"15.0.5389.1000"))
{
report = report_fixed_ver(file_checked:path + "\15.0\WebServices\ConversionServices\msoserver.dll",
file_version:dllVer, vulnerable_range:"15.0 - 15.0.5389.0999");
security_message(data:report);
exit(0);
}
}
}
exit(99);
7.8 High
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
6.8 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:M/Au:N/C:P/I:P/A:P
0.096 Low
EPSS
Percentile
94.7%