Flash Player <= 11.3.300.270 Code Execution (APSB12-18)

#%NASL_MIN_LEVEL 70300
#
# (C) Tenable Network Security, Inc.
#

include('deprecated_nasl_level.inc');
include('compat.inc');

if (description)
{
  script_id(61550);
  script_version("1.18");
  script_set_attribute(attribute:"plugin_modification_date", value:"2022/04/11");

  script_cve_id("CVE-2012-1535");
  script_bugtraq_id(55009);
  script_xref(name:"CISA-KNOWN-EXPLOITED", value:"2022/03/24");

  script_name(english:"Flash Player <= 11.3.300.270 Code Execution (APSB12-18)");

  script_set_attribute(attribute:"synopsis", value:
"The remote Windows host has a browser plugin that is affected by a
remote code execution vulnerability.");
  script_set_attribute(attribute:"description", value:
"According to its version, the instance of Flash Player installed on the
remote Windows host is 11.x equal to or earlier than 11.3.300.270.  It
is, therefore, potentially affected by an unspecified remote code
execution vulnerability. 

Note that this vulnerability is reportedly being actively exploited in
the wild.

Also note the vendor states 10.x versions are not affected by this
vulnerability and the branch was not updated.");
  script_set_attribute(attribute:"see_also", value:"http://www.adobe.com/support/security/bulletins/apsb12-18.html");
  script_set_attribute(attribute:"see_also", value:"http://forums.adobe.com/thread/1049526");
  script_set_attribute(attribute:"solution", value:
"Upgrade to Adobe Flash Player version 11.3.300.271 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:H/RL:OF/RC:C");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2012-1535");

  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:"metasploit_name", value:'Adobe Flash Player 11.3 Kern Table Parsing Integer Overflow');
  script_set_attribute(attribute:"exploit_framework_metasploit", value:"true");
  script_set_attribute(attribute:"exploit_framework_canvas", value:"true");
  script_set_attribute(attribute:"canvas_package", value:"CANVAS");

  script_set_attribute(attribute:"vuln_publication_date", value:"2012/08/14");
  script_set_attribute(attribute:"patch_publication_date", value:"2012/08/14");
  script_set_attribute(attribute:"plugin_publication_date", value:"2012/08/15");

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

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

  script_copyright(english:"This script is Copyright (C) 2012-2022 Tenable Network Security, Inc.");

  script_dependencies("flash_player_installed.nasl");
  script_require_keys("SMB/Flash_Player/installed");

  exit(0);
}

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

get_kb_item_or_exit("SMB/Flash_Player/installed");

# Identify vulnerable versions.
info = "";

# we're checking for versions less than *or equal to* the cutoff!
foreach variant (make_list("Plugin", "ActiveX", "Chrome"))
{
  vers = get_kb_list("SMB/Flash_Player/"+variant+"/Version/*");
  files = get_kb_list("SMB/Flash_Player/"+variant+"/File/*");
  if (!isnull(vers) && !isnull(files))
  {
    foreach key (keys(vers))
    {
      ver = vers[key];

      if (ver)
      {
        iver = split(ver, sep:'.', keep:FALSE);
        for (i=0; i<max_index(iver); i++)
          iver[i] = int(iver[i]);

        if (
          # 11.x <= 11.3.300.270
          iver[0] == 11 &&
          (
            iver[1] < 3 ||
            (
              iver[1] == 3 &&
              (
                iver[2] < 300 ||
                (iver[2] == 300 && iver[3] <= 270)
              )
            )
          )
        )
        {
          num = key - ("SMB/Flash_Player/"+variant+"/Version/");
          file = files["SMB/Flash_Player/"+variant+"/File/"+num];
          if (variant == "Plugin")
          {
            info += '\n  Product: Browser Plugin (for Firefox / Netscape / Opera)';
          }
          else if (variant == "ActiveX")
          {
            info += '\n Product : ActiveX control (for Internet Explorer)';
          }
          else if (variant == "Chrome")
          {
            info += '\n Product : Browser Plugin (for Google Chrome)';
          }
          info += '\n  Path              : ' + file +
                  '\n  Installed version : ' + ver  +
                  '\n  Fixed version     : 11.3.300.271';
          info += '\n';
        }
      }
    }
  }
}

if (info)
{
  if (report_verbosity > 0)
    security_hole(port:get_kb_item("SMB/transport"), extra:info);
  else
    security_hole(get_kb_item("SMB/transport"));
}
else
{ 
  if (thorough_tests) 
    exit(0, 'No vulnerable versions of Adobe Flash Player were found.');
  else
    exit(1, 'Google Chrome\'s built-in Flash Player may not have been detected because the \'Perform thorough tests\' setting was not enabled.');
}