APC PowerChute Network Shutdown HTTP Response Splitting 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("1.3.6.1.4.1.25623.1.0.902579");
  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:"2011-09-30 15:58:03 +0200 (Fri, 30 Sep 2011)");
  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("APC PowerChute Network Shutdown HTTP Response Splitting Vulnerability");
  script_xref(name:"URL", value:"http://secunia.com/advisories/34066");
  script_xref(name:"URL", value:"http://www.securityfocus.com/bid/33924");
  script_xref(name:"URL", value:"http://xforce.iss.net/xforce/xfdb/48975");
  script_xref(name:"URL", value:"http://www.securityfocus.com/archive/1/501255");
  script_xref(name:"URL", value:"http://www.dsecrg.com/pages/vul/show.php?id=82");
  script_xref(name:"URL", value:"http://nam-en.apc.com/app/answers/detail/a_id/9539");

  script_tag(name:"qod_type", value:"remote_vul");
  script_category(ACT_ATTACK);
  script_copyright("Copyright (C) 2011 Greenbone AG");
  script_family("Web application abuses");
  script_dependencies("find_service.nasl", "httpver.nasl", "global_settings.nasl");
  script_require_ports("Services/www", 3052);
  script_exclude_keys("Settings/disable_cgi_scanning");

  script_tag(name:"impact", value:"Successful exploitation will allow attacker to perform unspecified
  actions by tricking a user into visiting a malicious web site.");

  script_tag(name:"affected", value:"APC PowerChute Business Edition Shutdown 6.0.0, 7.0.1 and 7.0.2.");

  script_tag(name:"insight", value:"The flaw is caused by improper validation of user-supplied input
  passed via the 'page' parameter in 'contexthelp', which allows attackers to
  perform unspecified actions by tricking a user into visiting a malicious web site.");

  script_tag(name:"solution", value:"No known solution was made available for at least one year since the disclosure
  of this vulnerability. Likely none will be provided anymore. General solution options are to upgrade to a newer
  release, disable respective features, remove the product or replace the product by another one.");

  script_tag(name:"summary", value:"APC PowerChute Network Shutdown is prone to HTTP response splitting vulnerability.");

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

  exit(0);
}

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

port = http_get_port(default:3052);

res = http_get_cache(item:"/security/loginform", port:port);

if("PowerChute Business Edition" >< res)
{
  url = '/contexthelp?page=Foobar?%0d%0aVT_HEADER:testvalue';
  req = http_get(item:url, port:port);
  res = http_send_recv(port:port, data:req);

  if(ereg(pattern:"^HTTP/[0-9]\.[0-9] 302 .*", string:res) &&
    ('Location: help/english//Foobar?' >< res) &&
    ('VT_HEADER:testvalue' >< res)){
    report = http_report_vuln_url(port:port, url:url);
    security_message(port:port, data:report);
  }
}