Security Updates for Microsoft SharePoint Server Subscription Edition (December 2022)

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

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

if (description)
{
  script_id(168691);
  script_version("1.5");
  script_set_attribute(attribute:"plugin_modification_date", value:"2023/03/22");

  script_cve_id("CVE-2022-44690", "CVE-2022-44693");
  script_xref(name:"MSKB", value:"5002327");
  script_xref(name:"MSFT", value:"MS22-5002327");
  script_xref(name:"IAVA", value:"2022-A-0523-S");

  script_name(english:"Security Updates for Microsoft SharePoint Server Subscription Edition (December 2022)");

  script_set_attribute(attribute:"synopsis", value:
"The Microsoft SharePoint Server Subscription Edition installation on the remote host is affected by multiple vulnerabilities.");
  script_set_attribute(attribute:"description", value:
"The Microsoft SharePoint Server Subscription Edition installation on the remote host is missing security updates. 
It is, therefore, affected by multiple remote code execution vulnerabilities. An attacker can exploit 
these to bypass authentication and execute unauthorized arbitrary commands.");
  script_set_attribute(attribute:"see_also", value:"https://support.microsoft.com/en-us/help/5002327");
  script_set_attribute(attribute:"solution", value:
"Microsoft has released KB5002327 to address this issue.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:S/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:N/AC:L/PR:L/UI:N/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-2022-44693");

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

  script_set_attribute(attribute:"vuln_publication_date", value:"2022/12/13");
  script_set_attribute(attribute:"patch_publication_date", value:"2022/12/13");
  script_set_attribute(attribute:"plugin_publication_date", value:"2022/12/13");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"cpe:/a:microsoft:sharepoint_server");
  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) 2022-2023 and is owned by Tenable, Inc. or an Affiliate thereof.");

  script_dependencies("microsoft_sharepoint_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('vcf_extras_microsoft.inc');

var app_info = vcf::microsoft::sharepoint::get_app_info();
var kb_checks = 
[
  {
    'product'      : 'Subscription Edition',
    'edition'      : 'Server',
    'kb'           : '5002327',
    'path'         : app_info.path,
    'version'      : '16.0.15601.20316',
    'append'       : 'webservices\\conversionservices',
    'file'         : 'pptconversion.dll',
    'product_name' : 'Microsoft SharePoint Enterprise Server Subscription Edition'
  }
];
vcf::microsoft::sharepoint::check_version_and_report
(
  app_info:app_info, 
  bulletin:'MS22-12',
  constraints:kb_checks, 
  severity:SECURITY_HOLE
);