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Metasploit Cross Site Rquest Forgery

Metasploit Cross Site Rquest Forgery
Posted Oct 7, 2017
Authored by Dhiraj Mishra

Metasploit Pro, Express, Ultimate, and Community suffer from a cross site request forgery vulnerability.

tags | exploit, csrf
advisories | CVE-2017-15084
MD5 | c8ca60fdae30ac7c1a2e4987f680b81e

Metasploit Cross Site Rquest Forgery

Change Mirror Download
# Exploit Title: CSRF
# Date: Wed, Aug 30, 2017
# Software Link: https://www.metasploit.com/
# Exploit Author: Dhiraj Mishra
# Contact: http://twitter.com/mishradhiraj_
# Website: http://datarift.blogspot.in/
# CVE: CVE-2017-15084 (R7-2017-22)
# Category: Metasploit Pro, Express, Ultimate, and Community


1. Description

Metasploit Pro, Express, Ultimate, and Community can encounter an issue of cross site request forgery (also known as one-click attack and is abbreviated as CSRF or XSRF), which is a type of malicious exploit of a website where unauthorized commands are transmitted from a user that the web application trusts. A CSRF attack attempts to exploit the trust that a specific website has in a user's browser.

2. Proof of concept

The MSF did not protect the logout form with csrf token, therefore i can logout any user by sending this url https://Metasploit-Server-IP:3790/logout
Here's an attack vector:

1) Set up a honeypot that detects MSF scans/attacks (somehow).
2) Once I get a probe, fire back a logout request.
3) Continue to logout the active user forever.

It's less damaging than a traditional "hack back" but is sure to irritate the local red team to no end. It's essentially a user DoS. This attack may have been useful as a denial of service against Metasploit instances, allowing an attacker to prevent normal Metasploit usage.

3. Rapid7 Security Bulletin

https://blog.rapid7.com/2017/10/06/vulnerabilities-affecting-four-rapid7-products-fixed/

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