TomatoCart 1.1.7 with PayPal Express Checkout, and possibly other versions, contains a design flaw that may allow an attacker to purchase items for free or less than advertised.
It has been reported that TomatoCart 1.1.7 using the PayPal Express Checkout module in sandbox mode, and possibly other versions, suffers from a design flaw that may allow an attacker to purchase items for free or at a reduced price. An attacker may be able to manipulate the redirection URL from PayPal back to TomatoCart in a way that allows the attacker to purchase items for free or at a reduced price.
An attacker may be able to purchase items for free or at a reduced price.
We are currently unaware of a practical solution to this problem. Please consider the following workaround.
Disable PayPal Express
TomatoCart users should disable payments from the PayPal express checkout module until a patch is released.
Vendor| Status| Date Notified| Date Updated
tomatoCart| | 15 Oct 2012| 29 Oct 2012
If you are a vendor and your product is affected, let us know.
Group | Score | Vector
Base | 6.8 | AV:N/AC:L/Au:S/C:N/I:C/A:N
Temporal | 5.5 | E:POC/RL:U/RC:UC
Environmental | 5.5 | CDP:ND/TD:ND/CR:ND/IR:ND/AR:ND
Thanks to Giancarlo Pellegrino for reporting this vulnerability.
This document was written by Jared Allar.