The Microsoft office Product is missing security updates.
Microsoft Office Access Connectivity Engine Remote Code Execution Vulnerability (CVE-2020-17062)
Microsoft Excel Remote Code Execution Vulnerability This CVE ID is unique from CVE-2020-17019, CVE-2020-17065, CVE-2020-17066. (CVE-2020-17064)
Note that Nessus has not tested for this issue but has instead relied only on the application’s self-reported version number.
#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from the Microsoft Security Updates API. The text
# itself is copyright (C) Microsoft Corporation.
#
include('compat.inc');
if (description)
{
script_id(142689);
script_version("1.9");
script_set_attribute(attribute:"plugin_modification_date", value:"2024/02/09");
script_cve_id("CVE-2020-17062", "CVE-2020-17064");
script_xref(name:"MSKB", value:"4484534");
script_xref(name:"MSKB", value:"4484520");
script_xref(name:"MSKB", value:"4486722");
script_xref(name:"MSKB", value:"4486737");
script_xref(name:"MSKB", value:"4484455");
script_xref(name:"MSKB", value:"4486738");
script_xref(name:"MSKB", value:"4484508");
script_xref(name:"MSKB", value:"4486725");
script_xref(name:"MSFT", value:"MS20-4484534");
script_xref(name:"MSFT", value:"MS20-4484520");
script_xref(name:"MSFT", value:"MS20-4486722");
script_xref(name:"MSFT", value:"MS20-4486737");
script_xref(name:"MSFT", value:"MS20-4484455");
script_xref(name:"MSFT", value:"MS20-4486738");
script_xref(name:"MSFT", value:"MS20-4484508");
script_xref(name:"MSFT", value:"MS20-4486725");
script_xref(name:"IAVA", value:"2020-A-0516-S");
script_xref(name:"CEA-ID", value:"CEA-2020-0135");
script_name(english:"Security Updates for Microsoft Office Products (November 2020)");
script_set_attribute(attribute:"synopsis", value:
"The Microsoft Office Products are affected by multiple vulnerabilities.");
script_set_attribute(attribute:"description", value:
"The Microsoft office Product is missing security updates.
- Microsoft Office Access Connectivity Engine Remote Code Execution Vulnerability (CVE-2020-17062)
- Microsoft Excel Remote Code Execution Vulnerability This CVE ID is unique from CVE-2020-17019,
CVE-2020-17065, CVE-2020-17066. (CVE-2020-17064)
Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version
number.");
# https://support.microsoft.com/en-us/help/4484534/security-update-for-office-2010-november-10-2020
script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?312a864d");
# https://support.microsoft.com/en-us/help/4484520/security-update-for-office-2013-november-10-2020
script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?f48f7593");
# https://support.microsoft.com/en-us/help/4486722/security-update-for-office-2016-november-10-2020
script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?33234980");
# https://support.microsoft.com/en-us/help/4486737/security-update-for-office-2010-november-10-2020
script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?bb281f52");
# https://support.microsoft.com/en-us/help/4484455/security-update-for-office-2010-november-10-2020
script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?80901ffe");
# https://support.microsoft.com/en-us/help/4486738/security-update-for-office-2010-november-10-2020
script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?c9c18f6d");
# https://support.microsoft.com/en-us/help/4484508/security-update-for-office-2016-november-10-2020
script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?6846380b");
# https://support.microsoft.com/en-us/help/4486725/security-update-for-office-2013-november-10-2020
script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?b0c497b5");
script_set_attribute(attribute:"solution", value:
"Microsoft has released the following security updates to address this issue:
-KB4484534
-KB4484520
-KB4486722
-KB4486737
-KB4484455
-KB4486738
-KB4484508
-KB4486725
For Office 365, Office 2016 C2R, or Office 2019, ensure automatic updates are enabled or open any office app and
manually perform an update.");
script_set_cvss_base_vector("CVSS2#AV:N/AC:M/Au:N/C:C/I:C/A:C");
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:N/UI:R/S:U/C:H/I:H/A:H");
script_set_cvss3_temporal_vector("CVSS:3.0/E:U/RL:O/RC:C");
script_set_attribute(attribute:"cvss_score_source", value:"CVE-2020-17062");
script_set_attribute(attribute:"cvss3_score_source", value:"CVE-2020-17064");
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:"2020/11/10");
script_set_attribute(attribute:"patch_publication_date", value:"2020/11/10");
script_set_attribute(attribute:"plugin_publication_date", value:"2020/11/10");
script_set_attribute(attribute:"plugin_type", value:"local");
script_set_attribute(attribute:"cpe", value:"cpe:/a:microsoft:office");
script_set_attribute(attribute:"stig_severity", value:"I");
script_end_attributes();
script_category(ACT_GATHER_INFO);
script_family(english:"Windows : Microsoft Bulletins");
script_copyright(english:"This script is Copyright (C) 2020-2024 and is owned by Tenable, Inc. or an Affiliate thereof.");
script_dependencies("office_installed.nasl", "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('smb_func.inc');
include('smb_hotfixes.inc');
include('smb_hotfixes_fcheck.inc');
include('smb_reg_query.inc');
include('install_func.inc');
get_kb_item_or_exit('SMB/MS_Bulletin_Checks/Possible');
bulletin = 'MS20-11';
kbs = make_list(
'4484534',
'4484520',
'4486722',
'4486737',
'4486725',
'4484508'
);
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', exit_code:1);
vuln = FALSE;
port = kb_smb_transport();
office_vers = hotfix_check_office_version();
# Office 2010 SP2
if (office_vers['14.0'])
{
office_sp = get_kb_item('SMB/Office/2010/SP');
if (!isnull(office_sp) && office_sp == 2)
{
prod = 'Microsoft Office 2010 SP2';
# wwlibcxm.dll only exists if KB2428677 is installed
path = hotfix_get_officeprogramfilesdir(officever:'14.0');
path = hotfix_append_path(path:path, value:'Microsoft Office\\Office14');
kb = '4486738';
file = 'wwlibcxm.dll';
version = '14.0.7262.5000';
if (hotfix_check_fversion(file:file, version:version, path:path, kb:kb, bulletin:bulletin, product:prod) == HCF_OLDER)
vuln = TRUE;
path = hotfix_get_officecommonfilesdir(officever:'14.0');
path = hotfix_append_path(path:path, value:'Microsoft Shared\\Office14');
kb = '4484534';
file = 'acecore.dll';
version = '14.0.7262.5000';
if (hotfix_check_fversion(file:file, version:version, path:path, kb:kb, bulletin:bulletin, product:prod) == HCF_OLDER)
vuln = TRUE;
path = hotfix_get_officeprogramfilesdir(officever:'14.0');
path = hotfix_append_path(path:path, value:'Microsoft Office\\Office14');
kb = '4486737';
file = 'graph.exe';
version = '14.0.7262.5000';
if (hotfix_check_fversion(file:file, version:version, path:path, kb:kb, bulletin:bulletin, product:prod) == HCF_OLDER)
vuln = TRUE;
path = hotfix_get_officecommonfilesdir(officever:'14.0');
path = hotfix_append_path(path:path, value:'Microsoft Shared\\VBA\\VBA7');
kb = '4484455';
file = 'vbe7.dll';
version = '7.0.16.47';
if (hotfix_check_fversion(file:file, version:version, path:path, kb:kb, bulletin:bulletin, product:prod) == HCF_OLDER)
vuln = TRUE;
}
}
# Office 2013 SP1
if (office_vers['15.0'])
{
office_sp = get_kb_item('SMB/Office/2013/SP');
if (!isnull(office_sp) && office_sp == 1)
{
prod = 'Microsoft Office 2013 SP1';
path = hotfix_get_officecommonfilesdir(officever:'15.0');
path = hotfix_append_path(path:path, value:'Microsoft Shared\\Office15');
kb = '4484520';
file = 'acecore.dll';
version = '15.0.5293.1000';
if (hotfix_check_fversion(file:file, version:version, path:path, kb:kb, bulletin:bulletin, product:prod) == HCF_OLDER)
vuln = TRUE;
path = hotfix_get_officeprogramfilesdir(officever:'15.0');
path = hotfix_append_path(path:path, value:'Microsoft Office\\Office15');
kb = '4486725';
file = 'graph.exe';
version = '15.0.5293.1000';
if (hotfix_check_fversion(file:file, version:version, path:path, kb:kb, bulletin:bulletin, product:prod) == HCF_OLDER)
vuln = TRUE;
}
}
# Office 2016
if (office_vers['16.0'])
{
office_sp = get_kb_item('SMB/Office/2016/SP');
if (!isnull(office_sp) && office_sp == 0)
{
prod = 'Microsoft Office 2016';
path = hotfix_get_officeprogramfilesdir(officever:'16.0');
path = hotfix_append_path(path:path, value:'Microsoft Office\\Office16');
# MSI graph.exe
if (hotfix_check_fversion(file:'graph.exe', version:'16.0.5083.1000', channel:'MSI', channel_product:'Office', path:path, kb:'4486722', bulletin:bulletin, product:prod) == HCF_OLDER)
vuln = TRUE;
path = hotfix_get_officecommonfilesdir(officever:'16.0');
path = hotfix_append_path(path:path, value:'Microsoft Shared\\Office16');
# MSI acecore.dll
if (hotfix_check_fversion(file:'acecore.dll', version:'16.0.5083.1000', channel:'MSI', channel_product:'Office', path:path, kb:'4484508', bulletin:bulletin, product:prod) == HCF_OLDER)
vuln = TRUE;
}
}
if (vuln)
{
replace_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, 'affected');
}
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-17062
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-17064
www.nessus.org/u?312a864d
www.nessus.org/u?33234980
www.nessus.org/u?6846380b
www.nessus.org/u?80901ffe
www.nessus.org/u?b0c497b5
www.nessus.org/u?bb281f52
www.nessus.org/u?c9c18f6d
www.nessus.org/u?f48f7593