Sun ONE Application Server Upper Case Request JSP Source Disclosure

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

# Ref:
# From: "SPI Labs" <[email protected]>
# To: <[email protected]>
# Subject: Multiple Vulnerabilities in Sun-One Application Server
# Date: Tue, 27 May 2003 18:48:04 -0400

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

if (description)
{
  script_id(11658);
  script_version("1.24");
  script_set_attribute(attribute:"plugin_modification_date", value:"2022/04/11");

  script_cve_id("CVE-2003-0411");
  script_bugtraq_id(7709);

  script_name(english:"Sun ONE Application Server Upper Case Request JSP Source Disclosure");

  script_set_attribute(attribute:"synopsis", value:
"The remote web server is affected by an information disclosure
vulnerability.");
  script_set_attribute(attribute:"description", value:
"It is possible to make the remote web server disclose the source code
of its JSP pages by requesting the pages with a different case (ie:
filename.JSP instead of filename.jsp). 

An attacker may use this flaw to get the source code of your CGIs and
possibly obtain passwords and other relevant information about this
host.");
  script_set_attribute(attribute:"solution", value:
"Upgrade to Sun ONE Application Server 7.0 Update Release 1.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:P/I:N/A:N");
  script_set_cvss_temporal_vector("CVSS2#E:POC/RL:OF/RC:C");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2003-0411");

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

  script_set_attribute(attribute:"vuln_publication_date", value:"2003/05/26");
  script_set_attribute(attribute:"patch_publication_date", value:"2003/06/03");
  script_set_attribute(attribute:"plugin_publication_date", value:"2003/05/28");

  script_set_attribute(attribute:"plugin_type", value:"remote");
  script_set_attribute(attribute:"cpe", value:"cpe:/a:sun:one_application_server");
  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) 2003-2022 and is owned by Tenable, Inc. or an Affiliate thereof.");

  script_dependencies("find_service1.nasl", "http_version.nasl");
  script_require_ports("Services/www", 80);

  exit(0);
}

# Check starts here

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

global_var	port;

function check(file)
{
 local_var	r;
 r = http_send_recv3(method: "GET", item:file, port:port, exit_on_fail: 1);
 if("<%" >< r[2]) return 1;
 return 0;
}

port = get_http_port(default:80);

 files = get_kb_list(string("www/", port, "/content/extensions/jsp"));
 if(isnull(files))files = make_list("/index.jsp");
 n = 0;
 foreach file (files)
  {
  if(check(file:file) == 0)
   {
   file2 = str_replace(string:file, find:".jsp", replace:".JSP");
   if(check(file:file2))
   {
    if (report_verbosity >= 1)
    {
      txt = strcat('\nFor example :\n', build_url(port: port, qs: file), '\n',
      	  build_url(port: port, qs: file2), '\n');
      security_warning(port:port, extra: txt);
    }
    else
    security_warning(port);
    exit(0);
    }
  }
  n ++;
  if(n > 20)exit(0);
 }