PFTP Cleartext Local Password Disclosure

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


include("compat.inc");

if (description)
{
 script_id(11693);
 script_version("1.13");
 script_cvs_date("Date: 2018/08/13 14:32:39");

 script_name(english:"PFTP Cleartext Local Password Disclosure");
 script_summary(english:"Checks if file PFTPUSERS3.USR exists.");

 script_set_attribute(attribute:"synopsis", value:
"The remote host has an application that stores user names and
passwords in cleartext.");

 script_set_attribute(attribute:"description", value:
"The remote web server is running PFTP.

This software stores the list of user names and passwords in clear
text in \Program Files\PFTP\PFTPUSERS3.USR.

An attacker with a full access to this host may use this flaw to gain
access to other FTP servers used by the same users.");

 script_set_attribute(attribute:"solution", value:"n/a");
 script_set_cvss_base_vector("CVSS2#AV:L/AC:L/Au:N/C:P/I:P/A:P");

 script_set_attribute(attribute:"plugin_publication_date", value:"2003/06/03");

script_set_attribute(attribute:"plugin_type", value:"local");
script_end_attributes();


 script_category(ACT_GATHER_INFO);

 script_copyright(english:"This script is Copyright (C) 2003-2018 Tenable Network Security, Inc.");
 script_family(english:"Windows");
 script_require_ports(139, 445);
 script_dependencies("smb_hotfixes.nasl");
 script_require_keys("SMB/Registry/Enumerated");
 exit(0);
}

include("audit.inc");
include("smb_func.inc");
include("smb_hotfixes.inc");

rootfile = hotfix_get_programfilesdir();
if ( ! rootfile ) exit(1,"Could not get ProgramFiles directory.");

share = ereg_replace(pattern:"^([A-Za-z]):.*", replace:"\1$", string:rootfile);
db =  ereg_replace(pattern:"^[A-Za-z]:(.*)", replace:"\1\PFTP\PFTPUSERS3.USR", string:rootfile);

login	=  kb_smb_login();
pass  	=  kb_smb_password();
domain 	=  kb_smb_domain();
port    =  kb_smb_transport();

if(! smb_session_init()) audit(AUDIT_FN_FAIL, "smb_session_init");

r = NetUseAdd(login:login, password:pass, domain:domain, share:share);
if ( r != 1 )
{
  NetUseDel();
  audit(AUDIT_SHARE_FAIL,share);
}

handle = CreateFile (file:db, desired_access:GENERIC_READ, file_attributes:FILE_ATTRIBUTE_NORMAL, share_mode:FILE_SHARE_READ, create_disposition:OPEN_EXISTING);

if ( ! isnull(handle) )
{
 security_warning(port);
 CloseFile(handle:handle);
}

NetUseDel();