Vulnerabilities > CVE-2018-8501 - Unspecified vulnerability in Microsoft products

#
# (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(118015);
  script_version("1.7");
  script_cvs_date("Date: 2019/11/01");

  script_cve_id("CVE-2018-8501");
  script_xref(name:"MSKB", value:"4092453");
  script_xref(name:"MSKB", value:"4092482");
  script_xref(name:"MSKB", value:"4461434");
  script_xref(name:"MSFT", value:"MS18-4092453");
  script_xref(name:"MSFT", value:"MS18-4092482");
  script_xref(name:"MSFT", value:"MS18-4461434");

  script_name(english:"Security Updates for Microsoft PowerPoint Products (October 2018)");
  script_summary(english:"Checks for Microsoft security updates.");

  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 exists in
    Microsoft PowerPoint software when the software fails to
    properly handle objects in Protected View. An attacker
    who successfully exploited the vulnerability could run
    arbitrary code in the context of the current user. If
    the current user is logged on with administrative user
    rights, an attacker could take control of the affected
    system. An attacker could then install programs; view,
    change, or delete data; or create new accounts with full
    user rights.  (CVE-2018-8501)");
  # https://support.microsoft.com/en-us/help/4092453/description-of-the-security-update-for-powerpoint-2013-october-9-2018
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?dc33dd1c");
  # https://support.microsoft.com/en-us/help/4092482/description-of-the-security-update-for-powerpoint-2010-october-9-2018
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?734df93b");
  # https://support.microsoft.com/en-us/help/4461434/description-of-the-security-update-for-powerpoint-2016-october-9-2018
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?752644ee");
  script_set_attribute(attribute:"solution", value:
"Microsoft has released the following security updates to address this issue:  
  -KB4092453
  -KB4092482
  -KB4461434");
  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:N/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-2018-8501");

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

  script_set_attribute(attribute:"vuln_publication_date", value:"2018/10/09");
  script_set_attribute(attribute:"patch_publication_date", value:"2018/10/09");
  script_set_attribute(attribute:"plugin_publication_date", value:"2018/10/09");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"cpe:/a:microsoft:powerpoint");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_family(english:"Windows : Microsoft Bulletins");

  script_copyright(english:"This script is Copyright (C) 2018-2019 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("misc_func.inc");
include("install_func.inc");

get_kb_item_or_exit("SMB/MS_Bulletin_Checks/Possible");

bulletin = "MS18-10";
kbs = make_list(
    '4092482', # PowerPoint 2010 SP2
    '4092453', # PowerPoint 2013 SP1 
    '4461434' # 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);

vuln = FALSE;
port = kb_smb_transport();

checks = make_array(
    "14.0", make_array("sp", 2, "version", "14.0.7214.5000", "kb", "4092482"),
    "15.0", make_array("sp", 1, "version", "15.0.5075.1000", "kb", "4092453"),
    "16.0", make_nested_list(
      make_array("sp", 0, "version", "16.0.4756.1000", "kb", "4461434", "channel", "MSI"),
      make_array("sp", 0, "version", "16.0.8431.2316", "channel", "Deferred"),
      make_array("sp", 0, "version", "16.0.9126.2295", "channel", "Deferred", "channel_version", "1803"),
      make_array("sp", 0, "version", "16.0.10730.20155", "channel", "First Release for Deferred"),
      make_array("sp", 0, "version", "16.0.10827.20150", "channel", "Current")
      )
    );

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');
}