Lab: File path traversal, simple case

This lab contains a path traversal vulnerability in the display of product images.

To solve the lab, retrieve the contents of the /etc/passwd file.

Solution

Use Burp Suite to intercept and modify a request that fetches a product image.
Modify the filename parameter, giving it the value:
../../../etc/passwd
Observe that the response contains the contents of the /etc/passwd file.

Community solutions

Rana Khalil

Intigriti

z3nsh3ll

Michael Sommer