Vulnerabilities > CVE-2019-7837 - Use After Free vulnerability in multiple products

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

include("compat.inc");

if (description)
{
  script_id(125055);
  script_version("1.4");
  script_cvs_date("Date: 2019/10/30 13:24:46");

  script_cve_id("CVE-2019-7837");

  script_name(english:"Adobe Flash Player for Mac <= 32.0.0.171 (APSB19-26)");
  script_summary(english:"Checks the version of the ActiveX control.");

  script_set_attribute(attribute:"synopsis", value:
"The remote macOS or Mac OSX host has a browser plugin installed that is
affected by an arbitrary code execution vulnerability.");
  script_set_attribute(attribute:"description", value:
"The version of Adobe Flash Player installed on the remote macOS or Mac
OS X host is equal or prior to version 32.0.0.171.
It is therefore affected by an arbitrary code execution vulnerability.");
  script_set_attribute(attribute:"see_also", value:"https://helpx.adobe.com/security/products/flash-player/apsb19-26.html");
  # http://helpx.adobe.com/flash-player/kb/archived-flash-player-versions.html
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?0cb17c10");
  script_set_attribute(attribute:"solution", value:"Upgrade to Adobe Flash Player version 32.0.0.192 or later.");
  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-2019-7837");
  script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");


  script_set_attribute(attribute:"vuln_publication_date", value:"2019/05/14");
  script_set_attribute(attribute:"patch_publication_date", value:"2019/05/14");
  script_set_attribute(attribute:"plugin_publication_date", value:"2019/05/14");

  script_set_attribute(attribute:"plugin_type",value:"local");
  script_set_attribute(attribute:"cpe",value:"cpe:/a:adobe:flash_player");
  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 and is owned by Tenable, Inc. or an Affiliate thereof.");

  script_dependencies("macosx_flash_player_installed.nasl");
  script_require_keys("MacOSX/Flash_Player/Version");

  exit(0);
}

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

version = get_kb_item_or_exit("MacOSX/Flash_Player/Version");
path = get_kb_item_or_exit("MacOSX/Flash_Player/Path");

cutoff_version = "32.0.0.171";
fix = "32.0.0.192";
# We're checking for versions less than or equal to the cutoff!
if (ver_compare(ver:version, fix:cutoff_version, strict:FALSE) <= 0)
{
  if (report_verbosity > 0)
  {
    report =
      '\n  Path              : ' + path +
      '\n  Installed version : ' + version +
      '\n  Fixed version     : ' + fix +
      '\n';
    security_hole(port:0, extra:report);
  }
  else security_hole(0);
  exit(0);
}
else audit(AUDIT_INST_PATH_NOT_VULN, "Flash Player for Mac", version, path);