N-13 News CSRF Vulnerability

# 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

if(description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.801738");
  script_version("2024-06-28T05:05:33+0000");
  script_tag(name:"last_modification", value:"2024-06-28 05:05:33 +0000 (Fri, 28 Jun 2024)");
  script_tag(name:"creation_date", value:"2011-02-08 15:34:31 +0100 (Tue, 08 Feb 2011)");
  script_cve_id("CVE-2011-0642");
  script_tag(name:"cvss_base", value:"4.3");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:M/Au:N/C:N/I:P/A:N");
  script_name("N-13 News CSRF Vulnerability");
  script_xref(name:"URL", value:"http://secunia.com/advisories/42959");
  script_xref(name:"URL", value:"http://xforce.iss.net/xforce/xfdb/64824");
  script_xref(name:"URL", value:"http://www.exploit-db.com/exploits/16013/");

  script_tag(name:"qod_type", value:"remote_banner");
  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2011 Greenbone AG");
  script_family("Web application abuses");
  script_dependencies("gb_n_13_news_detect.nasl");
  script_require_ports("Services/www", 80);
  script_mandatory_keys("n-13/news/detected");

  script_tag(name:"impact", value:"Successful exploitation will allow attacker to execute arbitrary
  script code, perform cross-site scripting attacks, Web cache poisoning, and other malicious activities.");

  script_tag(name:"affected", value:"N-13 News version 3.4, 3.7 and 4.0");

  script_tag(name:"insight", value:"The flaw is caused by an improper validation of user-supplied
  input by the 'admin.php' script, which allows remote attackers to send a
  specially crafted HTTP request to add an administrative user.");

  script_tag(name:"solution", value:"Upgrade to N-13 News version 4.0.2 or later.");

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

  script_tag(name:"summary", value:"N-13 News is prone to a cross-site request forgery (CSRF) vulnerability.");

  exit(0);
}

include("http_func.inc");
include("port_service_func.inc");
include("version_func.inc");

newsPort = http_get_port(default:80);

newsVer = get_version_from_kb(port:newsPort, app:"N-13/News");
if(newsVer)
{
  if(version_is_equal(version:newsVer, test_version:"3.4") ||
     version_is_equal(version:newsVer, test_version:"3.7") ||
     version_is_equal(version:newsVer, test_version:"4.0")){
       security_message(newsPort);
  }
}