Security Updates for Microsoft Word Products (January 2022)

#%NASL_MIN_LEVEL 70300
##
# (C) Tenable, Inc. 
##

include('deprecated_nasl_level.inc');
include('compat.inc');

if (description)
{
  script_id(156631);
  script_version("1.6");
  script_set_attribute(attribute:"plugin_modification_date", value:"2022/06/10");

  script_cve_id("CVE-2022-21842");
  script_xref(name:"MSKB", value:"5002057");
  script_xref(name:"MSFT", value:"MS22-5002057");
  script_xref(name:"IAVA", value:"2022-A-0019-S");

  script_name(english:"Security Updates for Microsoft Word Products (January 2022)");

  script_set_attribute(attribute:"synopsis", value:
"The Microsoft Word Products are missing a security update.");
  script_set_attribute(attribute:"description", value:
"The Microsoft Word 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-2022-21842)");
  script_set_attribute(attribute:"see_also", value:"https://support.microsoft.com/en-us/help/5002057");
  script_set_attribute(attribute:"solution", value:
"Microsoft has released KB5002057 to address this issue.

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:P/I:P/A:P");
  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-2022-21842");

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

  script_set_attribute(attribute:"vuln_publication_date", value:"2022/01/11");
  script_set_attribute(attribute:"patch_publication_date", value:"2022/01/11");
  script_set_attribute(attribute:"plugin_publication_date", value:"2022/01/11");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"cpe:/a:microsoft:word");
  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) 2022 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');

get_kb_item_or_exit('SMB/MS_Bulletin_Checks/Possible');

var bulletin = 'MS22-01';
var kbs = make_list(
  '5002057'
);

if (get_kb_item('Host/patch_management_checks'))
  hotfix_check_3rd_party(bulletin:bulletin, kbs:kbs, severity:SECURITY_WARNING);

get_kb_item_or_exit('SMB/Registry/Enumerated', exit_code:1);

var port = kb_smb_transport();

var checks = make_array(
  '16.0', make_nested_list(
    make_array('sp', 0, 'version', '16.0.5266.1000', 'channel', 'MSI', 'kb', '5002057')
  )
);

if (hotfix_check_office_product(product:'Word', checks:checks, bulletin:bulletin))
{
  replace_kb_item(name:'SMB/Missing/'+bulletin, value:TRUE);
  hotfix_security_warning();
  hotfix_check_fversion_end();
  exit(0);
}
else
{
  hotfix_check_fversion_end();
  audit(AUDIT_HOST_NOT, 'affected');
}