macOS : Apple Safari < 12.1.1 Multiple Vulnerabilities

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

include('compat.inc');

if (description)
{
  script_id(125548);
  script_version("1.3");
  script_cvs_date("Date: 2020/01/13");

  script_cve_id(
    "CVE-2019-6237",
    "CVE-2019-8571",
    "CVE-2019-8583",
    "CVE-2019-8584",
    "CVE-2019-8586",
    "CVE-2019-8587",
    "CVE-2019-8594",
    "CVE-2019-8595",
    "CVE-2019-8596",
    "CVE-2019-8597",
    "CVE-2019-8601",
    "CVE-2019-8607",
    "CVE-2019-8608",
    "CVE-2019-8609",
    "CVE-2019-8610",
    "CVE-2019-8611",
    "CVE-2019-8615",
    "CVE-2019-8619",
    "CVE-2019-8622",
    "CVE-2019-8623",
    "CVE-2019-8628"
  );
  script_bugtraq_id(108497);

  script_name(english:"macOS : Apple Safari < 12.1.1 Multiple Vulnerabilities");
  script_summary(english:"Checks the Safari version.");

  script_set_attribute(attribute:"synopsis", value:
"A web browser installed on the remote macOS or Mac OS X host is affected by multiple vulnerabilities.");
  script_set_attribute(attribute:"description", value:
"The version of Apple Safari installed on the remote macOS or Mac OS X host is prior to 12.1.1 It is, therefore,
affected by multiple vulnerabilities.

  - Multiple out-of-bound errors exist in WebKit, due to improper memory handling. An unauthenticated, remote attacker 
    can exploit this, via specially crated web content to execute arbitrary commands. (CVE-2019-6237, CVE-2019-8571, 
    CVE-2019-8583, CVE-2019-8584, CVE-2019-8586, CVE-2019-8587, CVE-2019-8594, CVE-2019-8595, CVE-2019-8596,
    CVE-2019-8597, CVE-2019-8601, CVE-2019-8608, CVE-2019-8609, CVE-2019-8610, CVE-2019-8611, CVE-2019-8615,
    CVE-2019-8619, CVE-2019-8622, CVE-2019-8623, CVE-2019-8628)

  - An out-of-bound read error exists in WebKit due to improper memory handling. An unauthenticated, remote attacker 
    can exploit this, via specially crafted web content to disclose memory contents. (CVE-2019-8607)");
  # https://lists.apple.com/archives/security-announce/2019/May/msg00004.html
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?9afc6282");
  script_set_attribute(attribute:"solution", value:
"Upgrade to Apple Safari version 12.1.1 or later.");
  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:POC/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:P/RL:O/RC:C");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2019-8628");

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

  script_set_attribute(attribute:"vuln_publication_date", value:"2019/05/13");
  script_set_attribute(attribute:"patch_publication_date", value:"2019/05/13");
  script_set_attribute(attribute:"plugin_publication_date", value:"2019/05/30");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"cpe:/a:apple:safari");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:apple:mac_os_x");
  script_end_attributes();

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

  script_copyright(english:"This script is Copyright (C) 2019-2020 and is owned by Tenable, Inc. or an Affiliate thereof.");

  script_dependencies("macosx_apple_safari_installed.nbin");
  script_require_keys("Host/local_checks_enabled", "Host/MacOSX/Version", "MacOSX/Safari/Installed");

  exit(0);
}

include('audit.inc');
include('global_settings.inc');
include('misc_func.inc');

if (!get_kb_item('Host/local_checks_enabled')) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);
os = get_kb_item('Host/MacOSX/Version');
if (!os) audit(AUDIT_OS_NOT, 'Mac OS X or macOS');

if (!preg(pattern:"Mac OS X 10\.(12|13|14)([^0-9]|$)", string:os)) audit(AUDIT_OS_NOT, 'macOS Sierra 10.12 / macOS High Sierra 10.13 / macOS Mojave 10.14');

installed = get_kb_item_or_exit('MacOSX/Safari/Installed', exit_code:0);
path      = get_kb_item_or_exit('MacOSX/Safari/Path', exit_code:1);
version   = get_kb_item_or_exit('MacOSX/Safari/Version', exit_code:1);

fixed_version = '12.1.1';

if (ver_compare(ver:version, fix:fixed_version, strict:FALSE) == -1)
{
  report = report_items_str(
    report_items:make_array(
      'Path', path,
      'Installed version', version,
      'Fixed version', fixed_version
    ),
    ordered_fields:make_list('Path', 'Installed version', 'Fixed version')
  );
  security_report_v4(port:0, severity:SECURITY_WARNING, extra:report);
}
else audit(AUDIT_INST_PATH_NOT_VULN, 'Safari', version, path);