DUclassmate Multiple Scripts SQL Injection

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


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

if (description) {
  script_id(18566);
  script_version("1.19");

  script_cve_id("CVE-2005-2049");
  script_bugtraq_id(14036);

  script_name(english:"DUclassmate Multiple Scripts SQL Injection");
 
 script_set_attribute(attribute:"synopsis", value:
"The remote web server contains an ASP application that is vulnerable
to multiple SQL injection attacks." );
 script_set_attribute(attribute:"description", value:
"The remote host is running DUclassmate, a web-based classmates listing
and friends search application from DUware and written in ASP. 

The installed version of DUclassmate fails to properly sanitize user-
supplied input in several instances before using it in SQL queries. 
By exploiting these flaws, an attacker can affect database queries,
possibly disclosing sensitive data and launching attacks against the
underlying database." );
 script_set_attribute(attribute:"see_also", value:"http://echo.or.id/adv/adv19-theday-2005.txt" );
 script_set_attribute(attribute:"see_also", value:"https://seclists.org/bugtraq/2005/Jun/175" );
 script_set_attribute(attribute:"solution", value:
"Unknown at this time." );
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P");
  script_set_cvss_temporal_vector("CVSS2#E:POC/RL:U/RC:ND");
  script_set_attribute(attribute:"exploitability_ease", value:"Exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"true");
 script_set_attribute(attribute:"plugin_publication_date", value: "2005/06/28");
 script_set_attribute(attribute:"vuln_publication_date", value: "2005/06/22");
 script_set_attribute(attribute:"plugin_modification_date", value:"2021/01/19");
script_set_attribute(attribute:"plugin_type", value:"remote");
script_end_attributes();

  script_summary(english:"Checks for multiple SQL injection vulnerabilities in DUclassmate");
  script_category(ACT_GATHER_INFO);
  script_family(english:"CGI abuses");
  script_copyright(english:"This script is Copyright (C) 2005-2021 and is owned by Tenable, Inc. or an Affiliate thereof.");
  script_dependencies("http_version.nasl");
  script_exclude_keys("Settings/disable_cgi_scanning");
  script_require_ports("Services/www", 80);
  script_require_keys("www/ASP");
  exit(0);
}

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


port = get_http_port(default:80);
if (!can_host_asp(port:port)) exit(0);


# Loop through CGI directories.
foreach dir (cgi_dirs()) {
  # Try to exploit one of the flaws.
  u = string(
      dir, "/default.asp?",
      "iState=", SCRIPT_NAME, "'&",
      "nState=Utah"
    ); 
  r = http_send_recv3(port:port, method: "GET", item: u);
  if (isnull(r)) exit(0);

  # There's a problem if...
  if (
    # it looks like DUclassmate and...
    'href="assets/DUclassmate.css" rel="stylesheet"' >< r[2] && 
    # there's a syntax error.
    string("Syntax error (missing operator) in query expression 'CIT_STATE = ", SCRIPT_NAME, "'") >< r[2]
  ) {
    security_hole(port);
    set_kb_item(name: 'www/'+port+'/SQLInjection', value: TRUE);
    exit(0);
  }
}