BitDefender PDF Scan Evasion

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


include("compat.inc");

if (description)
{
  script_id(38830);
  script_version("1.9");

  script_bugtraq_id(35010);

  script_name(english:"BitDefender PDF Scan Evasion");
  script_summary(english:"Checks the last update date of BitDefender");

  script_set_attribute(attribute:"synopsis", value:
"The remote host is running an antivirus application that is
susceptible to a scan evasion attack." );
  script_set_attribute(attribute:"description", value:
"The remote version of BitDefender Antivirus is running with a
signature update of May 13 2009 or earlier.  Such versions are
affected by a scan evasion vulnerability.  An attacker can exploit
this flaw to package malicious code in a specially crafted 'PDF' file
so that it will not be detected by the scan engine." );
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?519e2879" );
  script_set_attribute(attribute:"solution", value:
"Ensure the scan engine is using a signature update after May 13 2009
as that is reportedly when the vendor reportedly deployed a patch for
the issue." );
 script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:N/I:P/A:N");
 script_set_cvss_temporal_vector("CVSS2#E:U/RL:OF/RC:C");
 script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");
 script_set_attribute(attribute:"exploit_available", value:"false");
 script_set_attribute(attribute:"plugin_publication_date", value: "2009/05/20");
 script_cvs_date("Date: 2018/08/07 16:46:51");
  script_set_attribute(attribute:"plugin_type", value:"local");
  script_end_attributes();

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

  script_copyright(english:"This script is Copyright (C) 2009-2018 Tenable Network Security, Inc.");
  
  script_dependencies("bitdefender_installed.nasl");
  script_require_keys("Antivirus/BitDefender/Sigs_Update");

  exit(0);
}

include("global_settings.inc");

sigs_update = get_kb_item("Antivirus/BitDefender/Sigs_Update");
prod_name = get_kb_item("Antivirus/BitDefender/Product");

if (prod_name && "BitDefender Internet Security 2010" >!< prod_name)
{
  if (
    sigs_update &&
    (
      sigs_update =~ "^[A-Za-z]{3}.*(1[0-9]{3}|200[0-8])$" ||
      sigs_update =~ "^[A-Za-z]{3}(\s)+(Jan|Feb|Mar|Apr).*2009$" ||
      sigs_update =~ "^[A-Za-z]{3}(\s)+May ( |(0[0-9]|1[0-3])).*2009$"
    )
  )
  {
    if (report_verbosity > 0)
    {
      report = string(
        "\n",
        "Last update: ", sigs_update, "\n"
      );
      security_warning(port:get_kb_item("SMB/transport"), extra:report);
    }
    else security_warning(get_kb_item("SMB/transport"));
  }
}