MS16-133: Security Update for Microsoft Office (3199168) (macOS)

#
# (C) Tenable Network Security, Inc.
#

include('compat.inc');

if (description)
{
  script_id(94913);
  script_version("1.8");
  script_set_attribute(attribute:"plugin_modification_date", value:"2023/02/17");

  script_cve_id(
    "CVE-2016-7213",
    "CVE-2016-7228",
    "CVE-2016-7229",
    "CVE-2016-7231",
    "CVE-2016-7232",
    "CVE-2016-7233",
    "CVE-2016-7234",
    "CVE-2016-7235",
    "CVE-2016-7236"
  );
  script_bugtraq_id(
    93993,
    93994,
    93995,
    93996,
    94005,
    94020,
    94022,
    94025,
    94031
  );
  script_xref(name:"MSFT", value:"MS16-133");
  script_xref(name:"IAVA", value:"2016-A-0319-S");
  script_xref(name:"MSKB", value:"3198798");
  script_xref(name:"MSKB", value:"3198807");

  script_name(english:"MS16-133: Security Update for Microsoft Office (3199168) (macOS)");

  script_set_attribute(attribute:"synopsis", value:
"An application installed on the remote macOS or Mac OS X host is
affected by multiple vulnerabilities.");
  script_set_attribute(attribute:"description", value:
"The Microsoft Office application installed on the remote macOS or Mac
OS X host is missing a security update. It is, therefore, affected by
multiple vulnerabilities :

  - Multiple remote code execution vulnerabilities exist
    due to improper handling of objects in memory. An
    unauthenticated, remote attacker can exploit these by
    convincing a user to visit a specially crafted website
    or open a specially crafted Office file, resulting in
    the execution of arbitrary code in the context of the
    current user. (CVE-2016-7213, CVE-2016-7228,
    CVE-2016-7229, CVE-2016-7231, CVE-2016-7232,
    CVE-2016-7234, CVE-2016-7235, CVE-2016-7236)

  - An information disclosure vulnerability exists due to an
    out-of-bounds read error caused by an uninitialized
    variable. An unauthenticated, remote attacker can exploit
    this by convincing a user to open a specially crafted
    Office file, resulting in the disclosure of memory
    contents. (CVE-2016-7233)");
  script_set_attribute(attribute:"see_also", value:"https://technet.microsoft.com/library/security/MS16-133");
  script_set_attribute(attribute:"solution", value:
"Microsoft has released a set of patches for Microsoft Office for Mac
2011, Microsoft Office 2016 for Mac, Microsoft Excel for Mac 2011,
Microsoft Excel 2016 for Mac, Microsoft Word for Mac 2011, and
Microsoft Word 2016 for Mac.");
  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:H/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:H/RL:O/RC:C");

  script_set_attribute(attribute:"exploitability_ease", value:"Exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"true");
  script_set_attribute(attribute:"exploited_by_malware", value:"true");

  script_set_attribute(attribute:"vuln_publication_date", value:"2016/11/08");
  script_set_attribute(attribute:"patch_publication_date", value:"2016/11/15");
  script_set_attribute(attribute:"plugin_publication_date", value:"2016/11/16");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"cpe:/a:microsoft:office");
  script_set_attribute(attribute:"cpe", value:"cpe:/a:microsoft:word_for_mac");
  script_set_attribute(attribute:"cpe", value:"cpe:/a:microsoft:excel_for_mac");
  script_set_attribute(attribute:"stig_severity", value:"II");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_family(english:"MacOS X Local Security Checks");

  script_copyright(english:"This script is Copyright (C) 2016-2023 Tenable Network Security, Inc.");

  script_dependencies("macosx_office_installed.nbin");
  script_require_keys("Host/MacOSX/Version");
  script_require_ports("installed_sw/Office for Mac 2011", "installed_sw/Microsoft Outlook", "installed_sw/Microsoft Excel", "installed_sw/Microsoft Word", "installed_sw/Microsoft PowerPoint", "installed_sw/Microsoft OneNote");

  exit(0);
}

include("audit.inc");
include("global_settings.inc");
include("misc_func.inc");
include("install_func.inc");

os = get_kb_item("Host/MacOSX/Version");
if (!os) audit(AUDIT_OS_NOT, "Mac OS X");

# Office 2011
apps = make_list(
  "Office for Mac 2011",
  "Microsoft Outlook",
  "Microsoft Excel",
  "Microsoft Word",
  "Microsoft PowerPoint",
  "Microsoft OneNote"
);

report = "";

foreach app (apps)
{
  installs = get_installs(app_name:app);
  if (isnull(installs[1])) continue;
  foreach install (installs[1])
  {
    version = install['version'];
    path    = install['path'];
    app_label = app;
    if (version =~ "^14\.")
    {
      if (app !~ " for Mac 2011$") app_label += " for Mac 2011";
      fix = '14.7.0';
    }
    else
    {
      if (version =~ "^15\.") app_label += " for Mac 2016";
      fix = '15.28.16111300';
    }

    if (ver_compare(ver:version, fix:fix, strict:FALSE) < 0)
    {
      report +=
        '\n  Product           : ' + app_label +
        '\n  Installed version : ' + version +
        '\n  Fixed version     : ' + fix;

      os = get_kb_item("Host/MacOSX/Version");

      if (os =~ "^Mac OS X 10\.[0-9](\.|$)" && app_label =~ " for Mac 2016$")
        report += '\n  Note              : Update will require Mac OS X 10.10.0 or later.\n';
      else report += '\n';
    }
  }
}

# Report findings.
if (!empty(report))
{
  if (report_verbosity > 0) security_hole(port:0, extra:report);
  else security_hole(0);
  exit(0);
}
else audit(AUDIT_HOST_NOT, "affected");