WPtouch Plugin for WordPress 'wptouch_redirect' Parameter URL Redirection - Nessus

Medium Plugin ID: 55443

This page contains detailed information about the WPtouch Plugin for WordPress 'wptouch_redirect' Parameter URL Redirection Nessus plugin including available exploits and PoCs found on GitHub, in Metasploit or Exploit-DB for verifying of this vulnerability.

Table Of Contents

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Plugin Overview
Vulnerability Information

Synopsis
Description
Solution

Public Exploits
Risk Information
Plugin Source
How to Run
References
Version

Plugin Overview

ID: 55443
Name: WPtouch Plugin for WordPress 'wptouch_redirect' Parameter URL Redirection
Filename: wptouch_redirect.nasl
Vulnerability Published: 2011-06-21
This Plugin Published: 2011-06-28
Last Modification Time: 2021-01-19
Plugin Version: 1.10
Plugin Type: remote
Plugin Family: CGI abuses
Dependencies: wordpress_detect.nasl
Required KB Items [?]: installed_sw/WordPress, www/PHP

Vulnerability Information

Severity: Medium
Vulnerability Published: 2011-06-21
Patch Published: 2011-06-29
CVE [?]: N/A
CPE [?]: cpe:/a:bravenewcode:wptouch, cpe:/a:wordpress:wordpress

Synopsis

The remote web server hosts a PHP script that can be abused to redirect users to an arbitrary URL.

Description

The version of the WPtouch plugin for WordPress installed on the remote host fails to properly sanitize input to the 'wptouch_redirect' parameter when 'wptouch_view' is set to 'normal' before using it in the 'wptouch.php' script to generate a URL redirection.

An attacker can exploit this issue to conduct phishing attacks by tricking users into visiting malicious websites.

Solution

Upgrade to version 1.9.30 or later.

Public Exploits

Target Network Port(s): 80
Target Asset(s): Services/www
Exploit Available: True (Exploit-DB)
Exploit Ease: Exploits are available

Here's the list of publicly known exploits and PoCs for verifying the WPtouch Plugin for WordPress 'wptouch_redirect' Parameter URL Redirection vulnerability:

Exploit-DB: exploits/php/webapps/17423.txt
[EDB-17423: WordPress Plugin WPtouch 1.9.27 - URL redirection]

Before running any exploit against any system, make sure you are authorized by the owner of the target system(s) to perform such activity. In any other case, this would be considered as an illegal activity.

WARNING: Beware of using unverified exploits from sources such as GitHub or Exploit-DB. These exploits and PoCs could contain malware. For more information, see how to use exploits safely.

Risk Information

CVSS V2 Vector [?]: AV:N/AC:M/Au:N/C:N/I:P/A:N/E:F/RL:U/RC:ND

CVSS Base Score:	4.3 (Medium)
Impact Subscore:	2.9
Exploitability Subscore:	8.6
CVSS Temporal Score:	4.1 (Medium)
CVSS Environmental Score:	NA (None)
Modified Impact Subscore:	NA
Overall CVSS Score:	4.1 (Medium)

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Plugin Source

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

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

if (description)
{
  script_id(55443);
  script_version("1.10");
  script_set_attribute(attribute:"plugin_modification_date", value:"2021/01/19");

  script_bugtraq_id(48348);
  script_xref(name:"EDB-ID", value:"17423");

  script_name(english:"WPtouch Plugin for WordPress 'wptouch_redirect' Parameter URL Redirection");
  script_summary(english:"Attempts to redirect to a third-party domain.");

  script_set_attribute(attribute:"synopsis", value:
"The remote web server hosts a PHP script that can be abused to
redirect users to an arbitrary URL.");
  script_set_attribute(attribute:"description", value:
"The version of the WPtouch plugin for WordPress installed on the
remote host fails to properly sanitize input to the 'wptouch_redirect'
parameter when 'wptouch_view' is set to 'normal' before using it in
the 'wptouch.php' script to generate a URL redirection.

An attacker can exploit this issue to conduct phishing attacks by
tricking users into visiting malicious websites.");
  script_set_attribute(attribute:"solution", value:"Upgrade to version 1.9.30 or later.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:M/Au:N/C:N/I:P/A:N");
  script_set_cvss_temporal_vector("CVSS2#E:F/RL:U/RC:ND");
  script_set_attribute(attribute:"exploitability_ease", value:"Exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"true");

  script_set_attribute(attribute:"vuln_publication_date", value:"2011/06/21");
  script_set_attribute(attribute:"patch_publication_date", value:"2011/06/29");
  script_set_attribute(attribute:"plugin_publication_date", value:"2011/06/28");

  script_set_attribute(attribute:"plugin_type", value:"remote");
  script_set_attribute(attribute:"cpe", value:"cpe:/a:wordpress:wordpress");
  script_set_attribute(attribute:"cpe", value:"cpe:/a:bravenewcode:wptouch");
  script_end_attributes();

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

  script_copyright(english:"This script is Copyright (C) 2011-2021 Tenable Network Security, Inc.");

  script_dependencies("wordpress_detect.nasl");
  script_require_keys("installed_sw/WordPress", "www/PHP");
  script_require_ports("Services/www", 80);

  exit(0);
}

include("audit.inc");
include("global_settings.inc");
include("misc_func.inc");
include("http.inc");
include("webapp_func.inc");

app = "WordPress";
get_install_count(app_name:app, exit_if_zero:TRUE);

port = get_http_port(default:80, php:TRUE);

install = get_single_install(
  app_name : app,
  port     : port
);
dir = install['path'];
install_url = build_url(port:port, qs:dir);

plugin = "WPtouch";

# Check KB first
installed = get_kb_item("www/"+port+"/webapp_ext/"+plugin+" under "+dir);

if (!installed)
{
  checks = make_array();
  path = "/wp-content/plugins/";
  checks[path + "wptouch/admin-css/wptouch-admin.css"][0] =
    make_list('WPtouch Admin Panel');

  checks[path + "wptouch/readme.txt"][0] =
    make_list('WPtouch', 'WPtouch is');

  # Ensure plugin is installed
  installed = check_webapp_ext(
    checks : checks,
    dir    : dir,
    port   : port,
    ext     : plugin
  );
}
if (!installed)
  audit(AUDIT_WEB_APP_EXT_NOT_INST, app, install_url, plugin + " plugin");

domain = get_kb_item("Settings/third_party_domain");
if (!domain)domain = "example.com";

url = dir + '/?' +
  'wptouch_view=normal&' +
  'wptouch_redirect=.' + domain;
res = http_send_recv3(port:port, method:"GET", item:url, exit_on_fail:TRUE);

hdrs = parse_http_headers(status_line:res[0], headers:res[1]);
if (isnull(hdrs)) audit(AUDIT_WEB_NO_SERVER_HEADER, port);

code = hdrs['$code'];
if (isnull(hdrs['location'])) location = "";
else location = hdrs['location'];

# There's a problem if ...
if (
  # we're redirected and ...
  code == 302 &&
  # it's to the location we specified and ...
  '.'+domain >< location &&
  (
    # we're paranoid or ...
    report_paranoia == 2 ||
    # it looks like WPtouch
    hdrs['set-cookie'] && 'wptouch_switch_toggle' >< hdrs['set-cookie']
  )
)
{
  if (report_verbosity > 0)
  {
    report = get_vuln_report(items:url, port:port);
    security_warning(port:port, extra:report);
  }
  else security_warning(port);
  exit(0);
}
audit(AUDIT_WEB_APP_EXT_NOT_AFFECTED, app, install_url, plugin + " plugin");

The latest version of this script can be found in these locations depending on your platform:

Linux / Unix:
/opt/nessus/lib/nessus/plugins/wptouch_redirect.nasl
Windows:
C:\ProgramData\Tenable\Nessus\nessus\plugins\wptouch_redirect.nasl
Mac OS X:
/Library/Nessus/run/lib/nessus/plugins/wptouch_redirect.nasl

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How to Run

Here is how to run the WPtouch Plugin for WordPress 'wptouch_redirect' Parameter URL Redirection as a standalone plugin via the Nessus web user interface (https://localhost:8834/):

Click to start a New Scan.
Select Advanced Scan.
Navigate to the Plugins tab.
On the top right corner click to Disable All plugins.
On the left side table select CGI abuses plugin family.
On the right side table select WPtouch Plugin for WordPress 'wptouch_redirect' Parameter URL Redirection plugin ID 55443.
Specify the target on the Settings tab and click to Save the scan.
Run the scan.

Here are a few examples of how to run the plugin in the command line. Note that the examples below demonstrate the usage on the Linux / Unix platform.

Basic usage:

/opt/nessus/bin/nasl wptouch_redirect.nasl -t <IP/HOST>

Run the plugin with audit trail message on the console:

/opt/nessus/bin/nasl -a wptouch_redirect.nasl -t <IP/HOST>

Run the plugin with trace script execution written to the console (useful for debugging):

/opt/nessus/bin/nasl -T - wptouch_redirect.nasl -t <IP/HOST>

Run the plugin with using a state file for the target and updating it (useful for running multiple plugins on the target):

/opt/nessus/bin/nasl -K /tmp/state wptouch_redirect.nasl -t <IP/HOST>

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References

BID | SecurityFocus Bugtraq ID:

48348

See also:

Version

This page has been produced using Nessus Professional 10.1.2 (#68) LINUX, Plugin set 202205072148.
Plugin file wptouch_redirect.nasl version 1.10. For more plugins, visit the Nessus Plugin Library.

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WPtouch Plugin for WordPress 'wptouch_redirect' Parameter URL Redirection - Nessus

Plugin Overview

Vulnerability Information

Synopsis

Description

Solution

Public Exploits

Risk Information

Plugin Source

How to Run

References

Version

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