Digital Scribe login.php SQL Injection

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

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

if (description)
{
  script_id(19770);
  script_version("1.25");
  script_set_attribute(attribute:"plugin_modification_date", value:"2022/04/11");

  script_cve_id("CVE-2005-2987");
  script_bugtraq_id(14843);

  script_name(english:"Digital Scribe login.php SQL Injection");

  script_set_attribute(attribute:"synopsis", value:
"The remote web server contains a PHP script that is vulnerable to a
SQL injection attack.");
  script_set_attribute(attribute:"description", value:
"The remote web server hosts Digital Scribe, a student-teacher set of
scripts written in PHP. 

The version of Digital Scribe installed on the remote host is prone to
a SQL injection attack through the 'login.php' script.  A malicious
user may be able to exploit this issue to manipulate database queries
to, say, bypass authentication.");
  # https://web.archive.org/web/20060524185158/http://retrogod.altervista.org/dscribe14.html
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?0b1fca55");
  script_set_attribute(attribute:"see_also", value:"https://seclists.org/bugtraq/2005/Sep/146");
  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:H/RL:U/RC:ND");

  script_set_attribute(attribute:"exploitability_ease", value:"No exploit is required");
  script_set_attribute(attribute:"exploit_available", value:"true");

  script_set_attribute(attribute:"vuln_publication_date", value:"2005/09/15");
  script_set_attribute(attribute:"plugin_publication_date", value:"2005/09/21");

  script_set_attribute(attribute:"plugin_type", value:"remote");
  script_set_attribute(attribute:"thorough_tests", value:"true");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_family(english:"CGI abuses");

  script_copyright(english:"This script is Copyright (C) 2005-2022 Tenable Network Security, Inc.");

  script_dependencies("http_version.nasl");
  script_require_keys("www/PHP");
  script_exclude_keys("Settings/disable_cgi_scanning");
  script_require_ports("Services/www", 80);

  exit(0);
}

# the code!

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

global_var port;

function check(req)
{
  local_var buf, r;

  buf = http_get(item:string(req,"/login.php"), port:port);
  r = http_keepalive_send_recv(port:port, data:buf, bodyonly:1);
  if( isnull(r) )exit(1, "The web server on port "+port+" failed to respond.");
  if (("<TITLE>Login Page</TITLE>" >< r) && (egrep(pattern:"www\.digital-scribe\.org>Digital Scribe v\.1\.[0-4]$</A>", string:r)))
  {
 	security_hole(port);
	set_kb_item(name: 'www/'+port+'/SQLInjection', value: TRUE);
	exit(0);
  }
}

port = get_http_port(default:80, embedded:TRUE);
if(!get_port_state(port)) exit(0);
if(!can_host_php(port:port))exit(0);

if (thorough_tests) dirs = list_uniq(make_list("/DigitalScribe", "/scribe", cgi_dirs()));
else dirs = make_list(cgi_dirs());

foreach dir (dirs)
{
  check(req:dir);
}