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nessusThis script is Copyright (C) 2020-2022 and is owned by Tenable, Inc. or an Affiliate thereof.SMB_NT_MS20_DEC_POWERPOINT.NASL
HistoryDec 08, 2020 - 12:00 a.m.

Security Updates for Microsoft PowerPoint Products (December 2020)

2020-12-0800:00:00
This script is Copyright (C) 2020-2022 and is owned by Tenable, Inc. or an Affiliate thereof.
www.tenable.com
20

The Microsoft PowerPoint Products are missing a security update. It is, therefore, affected by the following vulnerability:

  • A remote code execution vulnerability. An attacker can exploit this to bypass authentication and execute unauthorized arbitrary commands. (CVE-2020-17124)
#
# (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(143567);
  script_version("1.8");
  script_set_attribute(attribute:"plugin_modification_date", value:"2022/06/10");

  script_cve_id("CVE-2020-17124");
  script_xref(name:"MSKB", value:"4484372");
  script_xref(name:"MSKB", value:"4484468");
  script_xref(name:"MSKB", value:"4484393");
  script_xref(name:"MSFT", value:"MS20-4484372");
  script_xref(name:"MSFT", value:"MS19-4484468");
  script_xref(name:"MSFT", value:"MS19-4484393");
  script_xref(name:"IAVA", value:"2020-A-0559-S");
  script_xref(name:"IAVA", value:"2021-A-0017-S");

  script_name(english:"Security Updates for Microsoft PowerPoint Products (December 2020)");

  script_set_attribute(attribute:"synopsis", value:
"The Microsoft PowerPoint Products are missing a security update.");
  script_set_attribute(attribute:"description", value:
"The Microsoft PowerPoint Products are missing a security
update. It is, therefore, affected by the following
vulnerability:

  - A remote code execution vulnerability. An attacker can
    exploit this to bypass authentication and execute
    unauthorized arbitrary commands. (CVE-2020-17124)");
  # https://support.microsoft.com/en-us/help/4484393/security-update-for-powerpoint-2016-december-8-2020
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?e43ae504");
  # https://support.microsoft.com/en-us/help/4484372/security-update-for-powerpoint-2010-december-8-2020
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?47144f4f");
  # https://support.microsoft.com/en-us/help/4484468/security-update-for-powerpoint-2013-december-8-2020
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?d5f24dc9");
  script_set_attribute(attribute:"solution", value:
"Microsoft has released the following security updates to address this issue:  
  -KB4484393
  -KB4484372
  -KB4484468

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-2020-17124");

  script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");

  script_set_attribute(attribute:"vuln_publication_date", value:"2020/12/08");
  script_set_attribute(attribute:"patch_publication_date", value:"2020/12/08");
  script_set_attribute(attribute:"plugin_publication_date", value:"2020/12/08");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"cpe:/a:microsoft:powerpoint");
  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) 2020-2022 and is owned by Tenable, Inc. or an Affiliate thereof.");

  script_dependencies("office_installed.nasl", "microsoft_office_compatibility_pack_installed.nbin", "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('audit.inc');
include('smb_func.inc');
include('smb_hotfixes.inc');
include('smb_hotfixes_fcheck.inc');
include('smb_reg_query.inc');
include('install_func.inc');

global_var vuln;

get_kb_item_or_exit('SMB/MS_Bulletin_Checks/Possible');

bulletin = 'MS20-12';
kbs = make_list(
  '4484372', # Powerpoint 2010
  '4484468', # Powerpoint 2013
  '4484393'  # Powerpoint 2016
);

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);

port = kb_smb_transport();

checks = make_array(
  '14.0', make_array('sp', 2, 'version', '14.0.7263.5000', 'kb', '4484372'),
  '15.0', make_array('sp', 1, 'version', '15.0.5301.1000', 'kb', '4484468'),
  '16.0', make_nested_list(make_array('sp', 0, 'version', '16.0.5095.1000', 'channel', 'MSI', 'kb', '4486754')
  )
);

if (hotfix_check_office_product(product:'PowerPoint', checks:checks, bulletin:bulletin))
{
  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');
}
VendorProductVersion
microsoftpowerpoint
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