Adobe Shockwave Player <= 12.2.9.199 Memory Corruption RCE (APSB17-40)

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

include("compat.inc");

if (description)
{
  script_id(104628);
  script_version("1.5");
  script_cvs_date("Date: 2019/11/12");

  script_cve_id("CVE-2017-11294");
  script_bugtraq_id(101836);

  script_name(english:"Adobe Shockwave Player <= 12.2.9.199 Memory Corruption RCE (APSB17-40)");
  script_summary(english:"Checks the version of Shockwave Player.");

  script_set_attribute(attribute:"synopsis", value:
"The remote Windows host contains a web browser plugin that is 
affected by a memory corruption vulnerability.");
  script_set_attribute(attribute:"description", value:
"The version of Adobe Shockwave Player installed on the remote host 
is equal or prior to 12.2.9.199. It is, therefore, affected by an
unspecified memory corruption vulnerability that could lead to code
execution.");
  script_set_attribute(attribute:"see_also", value:"https://helpx.adobe.com/security/products/shockwave/apsb17-40.html");
  script_set_attribute(attribute:"solution", value:
"Upgrade to Adobe Shockwave Player version 12.3.1.201 or later.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/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: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-2017-11294");

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

  script_set_attribute(attribute:"vuln_publication_date", value:"2017/11/14");
  script_set_attribute(attribute:"patch_publication_date", value:"2017/11/14");
  script_set_attribute(attribute:"plugin_publication_date", value:"2017/11/16");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"cpe:/a:adobe:shockwave_player");
  script_end_attributes();

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

  script_copyright(english:"This script is Copyright (C) 2017-2019 and is owned by Tenable, Inc. or an Affiliate thereof.");

  script_dependencies("shockwave_player_apsb09_08.nasl");
  script_require_keys("SMB/shockwave_player");

  exit(0);
}

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

installs = get_kb_list_or_exit("SMB/shockwave_player/*/path");

appname = "Shockwave Player";

latest_vuln_version = "12.2.9.199"; # versions <= this version are vuln
fix = "12.3.1.201";

info = NULL;
pattern = "SMB/shockwave_player/([^/]+)/([^/]+)/path";

vuln = 0;
foreach install (keys(installs))
{
  match = eregmatch(string:install, pattern:pattern);
  if (!match) exit(1, "Unexpected format of KB key '" + install + "'.");

  file = installs[install];
  variant = match[1];
  version = match[2];

  if (ver_compare(ver:version, fix:latest_vuln_version) <= 0)
  {
    if (variant == "Plugin")
      info += '\n  Variant           : Browser Plugin (for Firefox / Netscape / Opera)';
    else if (variant == "ActiveX")
      info += '\n  Variant           : ActiveX control (for Internet Explorer)';
    info +=
      '\n  File              : ' + file +
      '\n  Installed version : ' + version +
      '\n  Fixed version     : ' + fix + '\n';
    vuln++;
  }
}

if (!info) audit(AUDIT_INST_VER_NOT_VULN, appname, version);

port = get_kb_item("SMB/transport");
if (!port) port = 445;

if(vuln)
{
  if (vuln > 1) s = "s";
  else s = "";

  report =
    '\n' + 'Nessus has identified the following vulnerable instance' + s + ' of Shockwave'+
    '\n' + 'Player installed on the remote host :' +
    '\n' +
    info + '\n';
  security_report_v4(port:port, extra:report, severity:SECURITY_HOLE);
  exit(0);
}
else
  audit(AUDIT_INST_VER_NOT_VULN, appname, version);