Relative Path Traversal

This attack is a variant of Path Traversal and can be exploited when the application accepts the use of relative traversal sequences such as "../".

How to Avoid Path Traversal Vulnerabilities
See the OWASP Guide article on how to Avoid Path Traversal Vulnerabilities.

How to Review Code for Path Traversal Vulnerabilities
See the OWASP Code Review Guide article on how to Review Code for Path Traversal Vulnerabilities.

How to Test for Path Traversal Vulnerabilities
See the OWASP Testing Guide article on how to Test for Directory Traversal Vulnerabilities.

More detailed information can be found on Path_Traversal

Severity
High

Likelihood of exploitation
High

Examples
The following URLs are vulnerable to this attack:

http://some_site.com.br/get-files.jsp?file=report.pdf http://some_site.com.br/get-page.php?home=aaa.html http://some_site.com.br/some-page.asp?page=index.html

A simple way to execute this attack is like this:

http://some_site.com.br/get-files?file=../../../../some dir/some file http://some_site.com.br/../../../../etc/shadow http://some_site.com.br/get-files?file=../../../../etc/passwd

Related Threats
Category: Information Disclosure

Related Attacks

 * Path Manipulation
 * Path Traversal
 * Resource Injection

Related Vulnerabilities
Category:Input Validation Vulnerability

Related Countermeasures
Category:Input Validation